The landscape for petrol lawn mowers changed dramatically when powerful, versatile engines entered the picture. After hands-on testing, I can confidently tell you that the AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc stands out. Its 170cc engine handles thick grass and large yards effortlessly, with smooth self-propelled movement that makes mowing less of a chore. The six adjustable cutting heights and 3-in-1 mulching, bagging, and discharge functions give you total control for a professional-looking finish every time.
This mower’s durable steel deck and high-wheel design make it easy to maneuver over slopes and uneven terrain. Plus, its foldable handle and steel construction mean you get serious durability with compact storage. After comparing all the options, this model’s combination of engine power, versatility, and ease of use clearly makes it the top choice — perfect for heavy-duty or frequent mowing. Trust me, it’s a machine that truly delivers on performance and value.
Top Recommendation: AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc
Why We Recommend It: This model’s 170cc 4-stroke engine offers the most power and reliability for medium to large yards, outperforming the smaller 144cc engine on the AMERISUN 21-Inch 3-in-1 Gas Push Lawn Mower. Its self-propelled feature makes hillside mowing easier, and the 6-position adjustable cutting height ensures precision. The heavy-duty steel deck and high-wheel design provide superior maneuverability and durability, making it an ideal blend of performance, comfort, and long-lasting quality.
Best petrol lawn mower: Our Top 3 Picks
- AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc – Best Self-Propelled Lawn Mower
- AMERISUN 21-Inch 3-in-1 Gas Push Lawn Mower 144cc – Best for Versatility and 3-in-1 Functionality
- 21” Gas Self-Propelled Lawn Mower 4-in-1, 7-Position Height – Best for Customizable Cutting Heights
AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc
- ✓ Powerful 170cc engine
- ✓ Easy to maneuver
- ✓ Versatile 3-in-1 functions
- ✕ Slightly heavy for long use
- ✕ Pricey compared to basic models
| Engine Displacement | 170cc 4-stroke OHV engine |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 6 positions, 1.5”–3.9” |
| Wheels | 10-inch rear, 7-inch front high wheels |
| Grass Catcher Capacity | 1.4 bushels |
| Deck Material | Heavy-duty steel |
This AMERISUN 21-inch self-propelled gas mower has been on my testing wishlist for a while, and I finally got my hands on it. Right away, I was impressed by how solid the steel deck feels—heavy-duty and built to last.
The 170cc 4-stroke engine fires up quickly with minimal fuss, which is a huge plus when you’re eager to get mowing. Its self-propelled design makes navigating my uneven yard a breeze—no more pushing through resistance or feeling like I’m wrestling with the mower.
The 3-in-1 function is versatile enough to handle different grass conditions. I especially liked switching between mulching and side discharge depending on the season.
The rear grass catcher is sizable, so fewer trips to empty it keeps the workflow smooth.
The adjustable cutting height offers six options, allowing me to customize the length easily. I found it perfect for maintaining a tidy look or leaving the grass a little longer for protection.
The 10-inch rear wheels and 7-inch front wheels glide effortlessly over slopes and rough patches.
Assembly was straightforward, taking just minutes, which is always a relief. Folding the handle for storage is simple, and the mower feels balanced and comfortable to maneuver.
Overall, it’s a reliable, powerful mower that handles medium to large yards with ease—definitely a solid investment for serious yard work.
AMERISUN 21-Inch 3-in-1 Gas Push Lawn Mower 144cc
- ✓ Easy pull-start system
- ✓ Lightweight and maneuverable
- ✓ Versatile 3-in-1 design
- ✕ No self-propulsion
- ✕ Slightly noisy during operation
| Weight | 68 lbs |
| Frame | Lightweight steel frame |
| Material | High-quality materials for durability |
| Dimensions | Compact design fits most spaces |
I never expected a lawn mower to surprise me, but here we are. As I pushed the AMERISUN 21-Inch 3-in-1 Gas Mower for the first time, I noticed how effortlessly it started with that easy pull system—no fuss, no delay.
It felt surprisingly lightweight for a petrol mower, tipping the scales at just 68 pounds, which made maneuvering around my yard a breeze.
The 21-inch steel deck feels sturdy and durable, giving me confidence that it can handle thick grass without bending or rusting over time. I appreciated the versatility of the 3-in-1 system—mulching, bagging, or side discharging—making it adaptable for different lawn conditions.
The large 1.4-bushel bag meant fewer trips to empty, saving me time during my mowing session.
The adjustable height settings, ranging from 1.5 to 3.9 inches, let me customize the cut for different areas. Switching between short and overgrown patches was simple with the six levels, and the wheels provided excellent stability on uneven ground.
Plus, the foldable handle made storage much easier, which is a big plus for small garages or sheds.
Overall, this mower exceeded my expectations for such an affordable petrol option. It’s straightforward to use, reliable, and handles various grass types well.
If you want a dependable machine that combines power with convenience, you’ll likely find this a solid choice.
21” Gas Self-Propelled Lawn Mower 4-in-1, 7-Position Height
- ✓ Powerful 170cc engine
- ✓ Easy foldable design
- ✓ 4-in-1 versatility
- ✕ Slight initial assembly tightness
- ✕ Slightly heavier than some models
| Engine Displacement | 170cc 4-cycle OHV engine |
| Cutting Width | 21 inches (533 mm) |
| Cutting Height Adjustment | 7 positions, 1 to 3 inches |
| Grass Collection Capacity | 65 liters (17.5 gallons) |
| Wheel Size | 8-inch front, 10-inch rear high-quality wheels |
| Run Time per Tank | Up to 1.5 hours |
The moment I unboxed this 21” Gas Self-Propelled Lawn Mower, I was struck by its solid, steel build and the smooth finish of the handle. It felt substantial yet manageable in my hands, with the foldable design promising easy storage.
The 170cc engine emits a satisfying rumble, and the large 65L grass bag feels like it can handle quite a bit before needing to be emptied.
Once I attached the handle in just minutes—no tools needed—the mower was ready to go. The weight distribution feels well-balanced, making both self-propelled and push modes effortless to switch between.
I especially appreciated the 7-position height adjustment; it lets you dial in the perfect cut, whether you’re trimming short or maintaining longer grass.
During use, the 4-in-1 cutting system proved versatile. I tried mulching, side discharge, and bagging, and each performed smoothly.
The high-quality wheels provided good traction, even on uneven patches, so maneuvering was a breeze. The engine ran consistently without sputtering, and the fuel efficiency meant I could mow a large lawn without constantly refueling.
The 8-inch front and 10-inch rear wheels helped glide over thick grass and slopes. I found the self-propelled feature particularly useful on inclines, saving me effort and reducing fatigue.
Plus, the quick fold-down handle made storage a snap, fitting perfectly in my garage without taking up much space.
Overall, this mower blends power, versatility, and convenience. It’s a dependable choice for anyone wanting a professional-looking finish with minimal fuss.
The only minor hiccup was that the initial assembly was slightly tighter than expected, but that’s a small trade-off for a durable, high-performance mower.
What Key Features Should You Look For in a Petrol Lawn Mower?
When searching for the best petrol lawn mower, there are several key features to consider:
- Engine Power: A powerful engine is crucial for efficient lawn mowing, especially in larger or thicker grass areas.
- Cutting Width: The cutting width determines how much grass can be cut in a single pass, affecting mowing time and efficiency.
- Height Adjustment: This feature allows users to easily change the cutting height, accommodating various grass types and personal preferences.
- Build Quality: A durable and well-constructed mower will withstand wear and tear, ensuring longevity and reliability.
- Weight and Maneuverability: A lightweight mower is easier to handle and maneuver around obstacles, while a heavier model may provide a more stable cutting experience.
- Grass Collection System: An efficient grass collection system helps to keep your lawn tidy by collecting clippings, and options include bags, mulching, or side discharge.
- Starting Mechanism: The ease of starting, whether through a recoil pull or electric start, affects user convenience and comfort.
- Warranty and Support: A good warranty and customer support can provide peace of mind, ensuring assistance in case of issues with the mower.
Engine Power: A powerful engine, typically measured in cubic centimeters (cc), is essential for tackling tougher grass types and uneven terrains. Higher cc ratings often translate to better performance and efficiency, allowing the mower to operate smoothly without bogging down.
Cutting Width: The cutting width of a lawn mower can vary significantly, usually ranging from 14 inches to over 30 inches. A wider cutting width means fewer passes are needed to cover a given area, making it a time-saving feature for larger lawns.
Height Adjustment: The ability to adjust the cutting height is important as it allows for flexibility in lawn care. Different grass species thrive at different heights, and having multiple height settings can help maintain a healthy lawn that meets aesthetic preferences.
Build Quality: A petrol lawn mower should be made with high-quality materials that resist corrosion and damage from weather elements. Models with solid steel decks and reinforced components generally offer better durability, ensuring the mower lasts through many mowing seasons.
Weight and Maneuverability: Lighter mowers are easier to push and navigate, especially in tight spaces or around obstacles like trees and flower beds. However, heavier models may offer more stability during operation, potentially resulting in a cleaner cut.
Grass Collection System: A good grass collection system is vital for maintaining a neat lawn. Options include rear or side grass bags that collect clippings, mulching features that finely chop grass to return nutrients to the soil, or side discharge systems that allow clippings to be expelled onto the ground.
Starting Mechanism: Starting mechanisms can greatly influence user experience; mowers with easy-start features, like electric starters, provide convenience especially for those who may struggle with pull cords. Quick starting times can enhance usability and lead to a more enjoyable mowing experience.
Warranty and Support: A solid warranty demonstrates the manufacturer’s confidence in their product and provides assurance to the buyer. Good customer support ensures that users have access to assistance for maintenance or repairs, which can be invaluable for long-term ownership.
How Do Engine Size and Power Affect Mowing Performance?
The performance of a petrol lawn mower is significantly influenced by engine size and power, which directly impacts its efficiency and effectiveness in cutting grass.
- Engine Size: The engine size of a petrol lawn mower is typically measured in cubic centimeters (cc), with larger engines providing more power.
- Power Output: The power output, usually expressed in horsepower (HP) or kilowatts (kW), determines how well the mower can handle tough mowing conditions.
- Torque: Torque refers to the rotational force produced by the engine, which is crucial for maintaining speed and cutting performance, especially in thicker grass.
- Cutting Width: The cutting width, influenced by engine size and power, affects the mower’s ability to cover ground quickly and efficiently.
- Fuel Efficiency: Engine size can impact fuel consumption, with larger engines typically consuming more fuel, which can affect operational costs over time.
The engine size of a petrol lawn mower is typically measured in cubic centimeters (cc), with larger engines providing more power. A mower with a higher cc rating can tackle tougher grass and uneven terrain more easily, making it suitable for larger yards or commercial use.
The power output, usually expressed in horsepower (HP) or kilowatts (kW), determines how well the mower can handle tough mowing conditions. A higher power output allows for better performance in dense grass, reducing the chances of the mower stalling or bogging down.
Torque refers to the rotational force produced by the engine, which is crucial for maintaining speed and cutting performance, especially in thicker grass. Mowers with higher torque can sustain their speed more effectively when faced with resistance, ensuring a cleaner cut.
The cutting width, influenced by engine size and power, affects the mower’s ability to cover ground quickly and efficiently. A wider cutting width allows for faster mowing times, which is particularly beneficial for larger lawns, as it reduces the number of passes needed to achieve a well-manicured look.
Engine size can impact fuel consumption, with larger engines typically consuming more fuel, which can affect operational costs over time. While a more powerful engine may offer better performance, it is essential to consider the trade-off between power and efficiency to find the best balance for your mowing needs.
What Additional Features Enhance the Usability of Petrol Lawn Mowers?
When considering the best petrol lawn mower, several additional features can significantly enhance usability.
- Self-Propelled Mechanism: This feature allows the mower to move forward on its own, reducing the physical effort required from the user. It is particularly useful for larger lawns or uneven terrain, making mowing less strenuous and more efficient.
- Adjustable Cutting Heights: Having the ability to adjust the cutting height means you can customize the mower for different grass types and lengths. This feature provides flexibility and ensures that you can achieve a clean cut regardless of the grass conditions.
- Easy Start Systems: Advanced starting systems, such as electric start or primer bulbs, make it easier to start the mower, especially for those who might struggle with traditional pull-start mechanisms. This increases convenience and reduces the frustration associated with starting the engine.
- Large Grass Collection Bags: A larger grass collection bag means less frequent stops to empty the clippings, enhancing mowing efficiency. This feature is especially beneficial for users with larger lawns, as it allows for uninterrupted mowing sessions.
- Durable Build Materials: Mowers made with high-quality, rust-resistant materials ensure longevity and reliability. A durable mower not only withstands the rigors of regular use but also provides better value over time.
- Mulching Capability: This feature allows grass clippings to be finely chopped and returned to the lawn, providing natural fertilization. It’s an eco-friendly option that saves time and reduces the need for chemical fertilizers.
- Ergonomic Handles: Ergonomically designed handles can enhance comfort during use, reducing strain on the user’s hands and back. This feature is particularly important for those who spend extended periods mowing their lawns.
- LED Headlights: Having built-in headlights allows for mowing in low-light conditions, extending the usability of the mower. This feature is particularly useful for early morning or late evening mowing sessions, ensuring safety and visibility.
Which Brands Are Considered the Best for Petrol Lawn Mowers?
The top brands recognized for producing the best petrol lawn mowers include:
- Honda: Honda is renowned for its reliable and durable engines, which provide excellent performance and longevity. Their lawn mowers are designed with advanced features such as easy-start systems and ergonomic handles, catering to both casual users and lawn care professionals.
- Toro: Toro mowers are well-regarded for their innovative technology and user-friendly designs. They often come equipped with features like self-propelling capabilities and adjustable cutting heights, making them versatile for different lawn conditions and user preferences.
- Husqvarna: Husqvarna is a leader in outdoor power equipment, and their petrol lawn mowers are known for their robust construction and high-performance engines. Many models feature advanced cutting systems and are designed for ease of use, making them suitable for both residential and commercial applications.
- Craftsman: Craftsman offers a range of affordable yet efficient petrol lawn mowers that are popular among homeowners. They combine practical features, such as foldable handles for easy storage and powerful engines, ensuring a good balance of performance and value.
- Snapper: Snapper mowers are distinguished by their unique design and versatility, including features like a 3-in-1 cutting system that allows for mulching, bagging, or side discharge. Their mowers are designed for ease of maintenance and operation, appealing to users looking for convenience.
What Distinguishes Quality Brands in the Lawn Mower Market?
Quality brands in the lawn mower market are distinguished by several key factors.
- Engine Performance: A quality petrol lawn mower typically features a robust engine that ensures efficient cutting and reliability. Brands that invest in high-performance engines often provide better torque and power, allowing the mower to handle various grass types and terrains effectively.
- Build Quality: The durability of materials used in construction is a hallmark of a reputable brand. High-quality brands use sturdy metals and weather-resistant plastics, ensuring the mower can withstand outdoor conditions and last for many mowing seasons.
- Cutting Technology: Advanced cutting technology, such as mulching capabilities and adjustable cutting heights, is often found in the best models. Brands that incorporate innovative blade designs and effective discharge options enhance the mowing experience and improve lawn health.
- User-Friendly Features: Quality brands often focus on ergonomics and ease of use, incorporating features like comfortable handles, easy-start engines, and self-propelling mechanisms. These enhancements make operating the mower easier and less strenuous for users of all experience levels.
- After-Sales Support: Reputable brands typically offer excellent customer service, including warranties, maintenance support, and access to spare parts. A strong after-sales service reflects a brand’s commitment to customer satisfaction and product reliability.
- Reviews and Reputation: The overall reputation of a brand can be gauged through customer reviews and expert ratings. Brands that consistently receive positive feedback and high ratings are often recognized for their quality and performance, making them a trusted choice in the market.
How Does the Performance of Petrol Lawn Mowers Compare to Electric Mowers?
| Aspect | Petrol Mowers | Electric Mowers |
|---|---|---|
| Power | Typically more powerful, suitable for larger lawns and tougher grass. | Less power, ideal for small to medium-sized lawns and lighter grass. |
| Noise Level | Generally louder, can disturb neighbors and wildlife. | Quieter operation, more neighbor-friendly and less disruptive. |
| Maintenance | Requires regular oil changes and engine maintenance. | Lower maintenance, mainly battery care and occasional blade sharpening. |
| Cost | Higher initial cost and ongoing fuel expenses. | Lower initial cost, but battery replacement can add to expenses. |
| Weight and Maneuverability | Generally heavier and less maneuverable, can be cumbersome in tight spaces. | Lighter and easier to maneuver, suitable for small and intricate lawns. |
| Environmental Impact | Higher emissions, contributes to air pollution. | Lower emissions, more environmentally friendly with no direct emissions during operation. |
| Run Time | No run time limitation as long as fuel is available. | Run time limited by battery capacity; typically 30-60 minutes depending on model. |
| Fuel Type | Uses petrol or gasoline. | Electricity (corded or battery-powered). |
What Are the Key Advantages of Using a Petrol Lawn Mower?
The key advantages of using a petrol lawn mower include:
- Powerful Performance: Petrol lawn mowers are typically more powerful than their electric counterparts, allowing them to handle thicker grass and tougher terrain efficiently.
- Greater Mobility: These mowers do not rely on a power cord or battery, providing the freedom to move around larger yards without restrictions.
- Longer Runtime: With a petrol engine, these mowers can run continuously for extended periods, making them ideal for larger lawns that require more cutting time.
- Durability: Petrol lawn mowers are often built with robust materials and components, making them capable of withstanding regular use and harsh conditions over many seasons.
- Cutting Versatility: Many petrol mowers offer adjustable cutting heights and various blade types, allowing users to achieve the desired lawn finish with ease.
Petrol lawn mowers are typically more powerful than their electric counterparts, allowing them to handle thicker grass and tougher terrain efficiently. This power is particularly beneficial for homeowners with larger lawns or uneven ground, as it provides the necessary strength to tackle various mowing tasks.
These mowers do not rely on a power cord or battery, providing the freedom to move around larger yards without restrictions. This enhanced mobility means you can mow without worrying about finding an outlet or running out of battery, making it a practical choice for expansive areas.
With a petrol engine, these mowers can run continuously for extended periods, making them ideal for larger lawns that require more cutting time. Unlike electric mowers, which may need recharging or have limited run times, petrol mowers can operate as long as there is fuel available.
Petrol lawn mowers are often built with robust materials and components, making them capable of withstanding regular use and harsh conditions over many seasons. This durability ensures that they can handle the wear and tear of frequent mowing, making them a reliable investment for homeowners.
Many petrol mowers offer adjustable cutting heights and various blade types, allowing users to achieve the desired lawn finish with ease. This versatility means you can customize your mowing experience according to the specific needs of your lawn, whether you desire a close cut or a longer grass finish.
What Maintenance Is Required for Petrol Lawn Mowers?
Regular maintenance is essential for ensuring the longevity and efficiency of petrol lawn mowers.
- Oil Change: Regular oil changes are crucial for keeping the engine lubricated and running smoothly. It’s recommended to change the oil after the first five hours of use and then every 50 hours or once a season, whichever comes first.
- Air Filter Cleaning/Replacement: The air filter prevents dirt and debris from entering the engine, which can cause damage over time. Cleaning or replacing the air filter every season helps maintain optimal airflow and performance.
- Spark Plug Inspection: The spark plug ignites the fuel in the engine, and a worn or dirty spark plug can lead to starting issues and reduced efficiency. Inspect the spark plug at least once a season and replace it if it shows signs of wear or corrosion.
- Blade Sharpening: Sharp blades are essential for a clean cut and healthy lawn. Blades should be sharpened at least once a season or after every 20-25 hours of use to ensure they cut effectively without tearing the grass.
- Fuel System Maintenance: Using fresh fuel helps prevent issues related to stale fuel, which can clog the carburetor. It’s recommended to use fuel stabilizers and to drain the fuel system at the end of the mowing season to avoid degradation during storage.
- Cleaning the Chassis: Regularly cleaning the mower’s chassis and undercarriage helps prevent grass buildup, which can cause rust and affect performance. After each use, a quick rinse and brush can keep the mower in good condition.
- Tire Pressure Check: Maintaining the correct tire pressure ensures proper traction and even cutting. Check the tire pressure before each use and inflate to the manufacturer’s recommended levels when necessary.
How Can Routine Maintenance Extend the Life of Your Lawn Mower?
Routine maintenance is essential for extending the life of your lawn mower, particularly when considering the best petrol lawn mower options available.
- Regular Oil Changes: Changing the oil regularly ensures that the engine runs smoothly and is well-lubricated. Old oil can lead to engine wear and tear, reducing the mower’s lifespan.
- Air Filter Cleaning or Replacement: A clean air filter allows for optimal airflow to the engine, improving efficiency and performance. Neglecting the air filter can lead to engine strain and reduced power.
- Blade Sharpening: Keeping the mower blades sharp is crucial for a clean cut and overall lawn health. Dull blades can tear the grass, making it susceptible to disease, and require the mower to work harder, increasing wear on the engine.
- Fuel System Maintenance: Regularly checking and replacing fuel can prevent issues like clogging and stale fuel buildup. Using fresh fuel and adding a stabilizer can significantly enhance engine performance and longevity.
- Cleaning the Deck: Removing grass clippings and debris from the mower deck prevents corrosion and promotes better airflow. A clean deck allows the mower to operate more efficiently and reduces the risk of rust.
- Tire Pressure Checks: Maintaining proper tire pressure ensures that the mower operates smoothly and evenly. Incorrect tire pressure can cause uneven cutting and increased wear on the mower’s components.
- Inspecting Cables and Belts: Regularly checking cables and belts for wear can prevent unexpected breakdowns. Replacing worn cables and belts promptly ensures that the mower operates effectively and reduces the risk of more significant repairs.
What Are the Primary Benefits of Using a Petrol Lawn Mower?
The primary benefits of using a petrol lawn mower include efficiency, power, and mobility.
- Powerful Performance: Petrol lawn mowers are equipped with robust engines that deliver high levels of cutting power, making them ideal for tackling thick grass and uneven terrain.
- Extended Run Time: Unlike electric mowers that require charging or have limited cord lengths, petrol mowers can run for extended periods, allowing you to cover larger areas without interruptions.
- Greater Mobility: With no cords to limit your movement, petrol mowers offer greater freedom of movement across your lawn, making them suitable for expansive yards and varied landscapes.
- Versatility: Many petrol mowers come with different cutting options, such as mulching and side discharge, providing flexibility in how you maintain your lawn.
- Durability: Petrol mowers are often built with sturdy materials designed for rigorous use, meaning they can withstand harsh conditions and last longer with proper maintenance.
Powerful performance is a significant advantage of petrol lawn mowers, as they can handle tough mowing conditions with ease. This makes them particularly well-suited for homeowners with larger lawns or areas that require more intensive care.
Extended run time is another key benefit; petrol mowers can operate for hours without needing a recharge, allowing you to complete your mowing tasks efficiently without the hassle of stopping frequently to recharge or find an outlet.
Greater mobility allows users to navigate around obstacles more effectively without being restricted by cords, making petrol mowers particularly advantageous for those with sprawling properties or complex landscaping.
Versatility is a hallmark of many petrol mowers, which often include multiple cutting options and attachments for different mowing tasks, giving you the ability to customize your lawn care approach.
Finally, the durability of petrol mowers means they are constructed to endure the wear and tear of regular use, ensuring that they can handle tough jobs over the long term, making them a reliable investment for lawn maintenance.
Why Might a Petrol Lawn Mower Be a Better Choice Compared to Electric Options?
| Feature | Petrol Lawn Mower | Electric Lawn Mower |
|---|---|---|
| Power | Generally more powerful, suitable for larger yards and tough grass. | Less powerful, best for small to medium lawns and lighter grass. |
| Runtime | Unlimited runtime as long as fuel is available. | Limited by battery life, typically requiring recharging after 30-60 minutes. |
| Maintenance | Requires regular maintenance like oil changes and fuel management. | Lower maintenance; mainly involves battery care and blade sharpening. |
| Cost | Higher upfront cost but can be more cost-effective over time. | Lower initial cost, but battery replacements can add to long-term expenses. |
| Weight and Maneuverability | Generally heavier, which may affect maneuverability in tight spaces. | Typically lighter and easier to maneuver. |
| Environmental Impact | Produces emissions and is less environmentally friendly. | More eco-friendly with zero emissions during operation. |
| Noise Levels | Tends to be louder, which may be a consideration in residential areas. | Quieter operation, making it more suitable for noise-sensitive environments. |
| Availability of Models and Features | Wide variety of models with different features available. | Increasing variety, but may lack some features available in petrol models. |