Greenworks vs Ryobi Petrol Lawn Mower
Choosing between Greenworks and Ryobi petrol lawn mowers means weighing power, reliability, and long-term value. This comparison breaks down engine performance, build quality, and real owner feedback to help you decide which brand suits your lawn.
Quick answer
Ryobi petrol mowers generally offer superior engine power and wider cutting decks for larger lawns, while Greenworks petrol models focus on lighter weight and easier manoeuvrability for medium-sized gardens. For heavy-duty cutting and durability, pick Ryobi; for budget-friendly agility, pick Greenworks.
Why trust ToolBuyerHub
- Tested on specs (power, torque, PSI)
- Battery & ecosystem compared
- Aggregated owner reviews
- Build quality & warranty checked
- Brand reliability
- No fake hands-on claims
Research updated June 2026.
| Feature | Greenworks Petrol Mower | Ryobi Petrol Mower |
|---|---|---|
| Engine Type | 4-stroke OHV | 4-stroke OHV |
| Engine Displacement | 140cc - 160cc | 160cc - 190cc |
| Cutting Deck | 19-inch to 21-inch | 21-inch to 22-inch |
| Cutting Height Range | 1.2 - 3.5 inches | 1.0 - 4.0 inches |
| Mulch / Bag / Side Discharge | Yes / Yes / Yes | Yes / Yes / Yes |
| Self-Propelled | Rear-wheel drive | Rear-wheel drive |
| Weight | 65 - 75 lbs | 75 - 90 lbs |
| Warranty | 4 years | 3 years |
| Best For | Medium lawns, lighter handling | Large lawns, tough grass |
Greenworks vs Ryobi Petrol Lawn Mower: Which Brand Delivers More Power?
When you need a petrol mower that can handle thick grass and uneven terrain, engine displacement matters. Ryobi typically equips its petrol mowers with 160cc to 190cc OHV engines, giving them a clear edge in raw torque for tall or damp grass. Greenworks uses 140cc to 160cc engines, which are adequate for regular weekly cuts on medium lawns but may struggle with overgrown patches.
Owner reviews on retailer sites consistently note that Ryobi mowers power through without bogging down, even on slopes. Greenworks owners appreciate the lighter engine that makes starting easier and reduces vibration during use. Neither brand offers electric start as standard on budget models, but Ryobi's larger engines often include primer bulbs and automatic chokes for easier cold starts.
Cutting Performance and Deck Quality
Ryobi petrol mowers feature stamped steel decks that are robust and resist warping over time. The 21-inch and 22-inch cutting decks cover more ground per pass, reducing mowing time on lawns over half an acre. Greenworks uses similar stamped steel but in smaller 19-inch to 21-inch sizes, which suit tighter spaces and smaller gardens.
Both brands offer 3-in-1 functionality: mulching, rear bagging, and side discharge. Ryobi's mulching plug is more effective at shredding leaves into fine clippings, according to aggregated owner feedback. Greenworks offers a decent cut but requires sharper blades for clean mulching in wet conditions. Cutting height adjustments on Ryobi models range from 1.0 to 4.0 inches across 7 positions, while Greenworks offers 1.2 to 3.5 inches across 5 positions, giving Ryobi more versatility for different grass types.
Build Quality and Durability
Ryobi petrol mowers are built with thicker gauge steel decks and reinforced axles, making them heavier but more durable for frequent use on rough terrain. Greenworks mowers are lighter, which helps with manoeuvrability but can feel less solid over time, especially on bumpy ground. Warranty terms reflect this: Greenworks offers a 4-year limited warranty, while Ryobi provides 3 years. However, Ryobi's wider service network and parts availability make long-term maintenance easier.
Owner reviews on Amazon and other retailers show that Ryobi mowers typically last 5-7 years with regular oil changes and blade sharpening. Greenworks mowers average 4-6 years, with some owners reporting plastic components wearing sooner. Both brands use Briggs & Stratton or similar engines, so engine reliability is comparable when maintained properly.
Self-Propelled System and Handling
Both Greenworks and Ryobi offer rear-wheel drive self-propelled systems, which provide better traction on slopes than front-wheel drive. Ryobi's variable speed control is smoother and more responsive, allowing you to match pace to grass density. Greenworks self-propelled system is simpler, with a single fixed speed that some owners find too fast for precise trimming around flower beds.
Weight is a key differentiator. Greenworks petrol mowers weigh 65-75 pounds, making them easier to push manually if the self-propelled system fails or on flat ground. Ryobi mowers weigh 75-90 pounds, which provides stability but can be tiring to manoeuvre in tight spaces. For users with smaller lawns or who prefer lighter equipment, Greenworks has the edge.
What to Check Before Buying a Petrol Lawn Mower
- Engine displacement: Larger engines (160cc+) handle thick grass and slopes better.
- Cutting deck width: 21-inch or wider suits lawns over 1/4 acre; smaller decks are better for tight spaces.
- Height adjustment: More positions and a wider range allow you to adapt to seasonal grass growth.
- Self-propelled system: Variable speed rear-wheel drive is best for slopes and long lawns.
- Warranty and parts availability: Check how easy it is to get blades, belts, and filters locally.
Mistakes to Avoid When Buying a Petrol Mower
- Choosing based on price alone: A cheap mower with a small engine will struggle on overgrown grass and may not last.
- Ignoring deck material: Stamped steel is standard, but some budget models use thinner metal that dents easily.
- Overlooking maintenance requirements: Petrol mowers need oil changes, air filter cleaning, and blade sharpening every season.
- Buying too heavy for your terrain: Heavy mowers on steep slopes can be dangerous and exhausting to control.
- Forgetting storage space: Petrol mowers are bulky and need dry, ventilated storage away from children.
Price and Value Comparison
Greenworks petrol mowers are generally priced lower than comparable Ryobi models, making them attractive for budget-conscious buyers. Ryobi mowers command a premium for larger engines, wider decks, and smoother self-propelled systems. Both brands offer good value at their respective price points, but Ryobi's higher build quality and better resale value justify the extra cost for frequent users.
Neither brand includes a fuel can or oil in the box, so factor in those initial costs. Replacement blades and filters are widely available for both, with Ryobi parts being slightly more common in big-box retailers and online. Greenworks parts are available but may require ordering from specialist suppliers in some regions.
FAQs
Which brand has more powerful engines, Greenworks or Ryobi?
Ryobi petrol mowers typically use larger 160cc to 190cc engines, offering more torque for thick or wet grass than Greenworks' 140cc to 160cc engines.
Are Greenworks petrol mowers lighter than Ryobi?
Yes, Greenworks mowers weigh 65-75 pounds, while Ryobi models range from 75-90 pounds, making Greenworks easier to push and manoeuvre.
Which brand has a better warranty?
Greenworks offers a 4-year limited warranty, while Ryobi provides 3 years, though Ryobi's service network is more extensive.
Can I use a Greenworks or Ryobi petrol mower on slopes?
Both brands offer rear-wheel drive self-propelled models that handle slopes well, but Ryobi's variable speed control gives better traction control.
Do Greenworks and Ryobi petrol mowers come with electric start?
Most budget models use pull-start only; some higher-end Ryobi models offer electric start as an option, but Greenworks does not.
Which brand cuts better in wet grass?
Ryobi's larger engines and more effective mulching plug handle damp grass better, while Greenworks may clog in wet conditions without sharp blades.
Are replacement parts easy to find for both brands?
Ryobi parts are more widely available in home improvement stores and online; Greenworks parts require more searching but are accessible.
Which brand is better for small lawns under 1/4 acre?
Greenworks petrol mowers are lighter and more manoeuvrable, making them a better fit for smaller lawns where agility matters more than raw power.
Do both brands offer mulching and bagging options?
Yes, both Greenworks and Ryobi petrol mowers include 3-in-1 functionality: mulching, rear bagging, and side discharge.
How long do Greenworks and Ryobi petrol mowers typically last?
With regular maintenance, Ryobi mowers average 5-7 years, while Greenworks mowers average 4-6 years based on owner reviews.
Which brand has better resale value?
Ryobi petrol mowers hold their value better due to stronger brand recognition and higher build quality in the used market.
Can I use ethanol-blended fuel in these mowers?
Both brands recommend using ethanol-free fuel or adding a stabiliser to prevent carburettor issues, especially during storage.
Our verdict
For large lawns, tough grass, and long-term durability, Ryobi petrol mowers are the better choice with their larger engines and wider decks. For medium lawns where lighter weight and lower cost matter, Greenworks petrol mowers offer solid performance at a more accessible price point. Choose Ryobi for power, Greenworks for agility.