Ryobi vs Webb Petrol Lawn Mower
Choosing between a Ryobi and a Webb petrol lawn mower means weighing Ryobi's widespread availability and ONE+ ecosystem against Webb's reputation for robust engineering and superior cut quality on larger lawns. This guide compares engine power, cutting performance, build quality, and overall value to help you decide which brand suits your garden.
Quick answer
For most homeowners with a medium-sized lawn, the Webb WER 46 SP is the top pick due to its superior Briggs & Stratton engine, durable steel deck, and excellent cut quality. The Ryobi RLM4619S is the better budget-friendly choice for smaller, flatter lawns where its lighter weight and lower price are key advantages.
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 | Ryobi RLM4619S | Webb WER 46 SP |
|---|---|---|
| Engine | Ryobi 4-stroke 196cc | Briggs & Stratton 450E 163cc |
| Deck Material | Steel | Pressed Steel |
| Cutting Width | 46 cm (18") | 46 cm (18") |
| Cutting Heights | 6 settings (25-75 mm) | 6 settings (25-75 mm) |
| Grass Collector | 60 litre | 60 litre |
| Self-Propelled | Yes (rear wheel drive) | Yes (rear wheel drive) |
| Weight | 32 kg | 35 kg |
| Warranty | 3 years | 3 years |
| Best For | Budget-conscious buyers, flat lawns | Superior cut quality, rougher terrain |
| Rating | 4.1 / 5 | 4.4 / 5 |
Ryobi vs Webb Petrol Lawn Mower: Which is Better?
Both Ryobi and Webb offer reliable petrol mowers for the domestic market, but they cater to slightly different needs. Ryobi is a mass-market brand known for its extensive range of power tools and garden equipment, often offering strong value and a cohesive battery system. Webb, on the other hand, has built a reputation specifically in the lawn mower sector, focusing on robust engines and durable steel decks designed for more demanding cutting conditions.
Owner reviews consistently highlight that Webb mowers deliver a cleaner, more consistent cut, especially on thicker or slightly damp grass. The Briggs & Stratton engine in the Webb is widely regarded as more reliable and smoother running than the Ryobi-branded engine. However, Ryobi mowers are generally lighter, easier to maneuver, and significantly cheaper upfront, making them a strong contender for smaller, flatter gardens where extreme cutting performance is less critical.
Engine and Power
The engine is the heart of any petrol mower. The Ryobi RLM4619S uses a 196cc Ryobi 4-stroke engine. While it provides adequate power for regular weekly cutting on a medium lawn, some owner reviews note it can struggle in longer or thicker grass, requiring a slower pace. The Webb WER 46 SP is powered by the renowned Briggs & Stratton 450E series engine (163cc). This engine is a benchmark in the domestic mower market, known for its torque, reliability, and ease of starting. Owner feedback consistently rates the Webb's engine as superior for tackling tougher conditions.
Cutting Performance and Deck Quality
Both mowers feature a 46 cm (18 inch) cutting width and a steel deck. However, the quality of the cut differs. The Webb's pressed steel deck is designed with a deeper, more aerodynamic profile that creates better grass lift, resulting in a cleaner, more upright cut. This is particularly noticeable when mulching or collecting. The Ryobi's steel deck is adequate but does not produce the same level of finish. Owner reviews on gardening forums often mention that the Webb leaves a more professional-looking stripe and handles uneven ground better due to its sturdier construction.
Self-Propulsion and Maneuverability
Both models are self-propelled with rear-wheel drive, which provides good traction on slopes. The Ryobi is lighter at 32 kg compared to the Webb at 35 kg. This makes the Ryobi easier to push manually, turn at the end of a row, and load into a vehicle. The Webb, while heavier, feels more planted and stable on inclines. The propulsion system on the Webb is generally reported as more robust and less prone to slipping, particularly in damp conditions.
Build Quality and Longevity
This is a key differentiator. Webb mowers are built with a focus on durability. The thicker steel deck, heavier-duty wheel bearings, and the proven Briggs & Stratton engine contribute to a longer expected lifespan. Ryobi mowers are built to a price point. While they are perfectly functional for several seasons, components like the plastic grass collector and some of the control linkages are less robust. Owner reviews suggest Webb mowers hold up better over 5+ years of regular use, especially on larger or rougher lawns.
What to Check Before Buying a Petrol Lawn Mower
Before purchasing, check the size and terrain of your lawn. For lawns under 500 sq m, a smaller engine and lighter mower may suffice. For larger or sloping lawns, a more powerful engine and heavier build are beneficial. Always verify the availability of spare parts and local service centers, as this can significantly impact long-term ownership costs.
Mistakes to Avoid
A common mistake is buying a mower with an engine too small for the grass type. If you have thick, lush grass, prioritize engine torque over price. Another error is neglecting to check the quality of the grass collector; a poorly designed collector will clog frequently, slowing you down. Finally, do not assume all steel decks are equal; the gauge and design of the steel directly impact cut quality and durability.
FAQs
Is a Webb lawn mower better than a Ryobi?
For cut quality and long-term durability, the Webb is generally considered better due to its superior Briggs & Stratton engine and sturdier deck. The Ryobi offers better value for smaller, less demanding lawns.
Which engine is more reliable: Ryobi or Briggs & Stratton?
Briggs & Stratton engines are widely regarded as the industry standard for reliability and parts availability. Ryobi engines are adequate for light domestic use but are not considered as durable.
Are Ryobi petrol mowers any good?
Yes, Ryobi petrol mowers are a good budget-friendly option for flat, medium-sized lawns. They offer decent performance and are lighter than many competitors, but they may lack the power for tough conditions.
Which mower is lighter, Ryobi or Webb?
The Ryobi RLM4619S is lighter at 32 kg compared to the Webb WER 46 SP at 35 kg. This makes the Ryobi easier to maneuver and push, especially on flat ground.
Can I use a Ryobi mower on a sloping lawn?
Yes, the Ryobi RLM4619S has rear-wheel drive which provides good traction on slopes. However, the heavier Webb mower feels more stable and less likely to slide on steeper inclines.
What is the warranty on Ryobi and Webb mowers?
Both Ryobi and Webb typically offer a 3-year warranty on their petrol lawn mowers. It is important to register the product after purchase to activate the full warranty period.
Do these mowers have a mulching function?
Both the Ryobi RLM4619S and Webb WER 46 SP often come with a mulching plug as a standard accessory, allowing you to finely chop grass clippings and return them to the lawn as fertilizer.
Which mower has a larger grass collector?
Both the Ryobi and Webb models featured here have a 60-litre grass collector. This is a standard size for 46 cm mowers and is adequate for most medium-sized lawns.
Is the Webb mower worth the extra money?
For many users, yes. The extra cost buys a more reliable engine, superior cut quality, and a more durable build that should last longer. It is a better investment for those who prioritize performance and longevity.
Where can I buy spare parts for these mowers?
Spare parts for both Ryobi and Webb are widely available online and at most garden machinery retailers. However, Briggs & Stratton parts for the Webb are often easier to find due to the engine's popularity.
Our verdict
For most users, the Webb WER 46 SP is the clear winner, offering a superior Briggs & Stratton engine, better cut quality, and a more durable build that justifies its higher price. The Ryobi RLM4619S is the best budget pick for those with smaller, flatter lawns who want a lighter, more affordable mower that still gets the job done.