Petrol lawn mowers are still the most reliable option for many UK gardens — especially where cordless mowers start to struggle.
The main situations where petrol makes more sense:
- Larger lawns
- Thicker or damp grass
- Lawns that aren’t cut as regularly
From a professional perspective, what matters most with petrol mowers is:
- Consistent power
- Build quality
- Ease of use over longer mowing sessions
This guide focuses on petrol mowers that are well suited to UK conditions and offer a good balance between performance, reliability, and value.
If you’re comparing different types of mowers, see my full guide to the best lawn mower UK for a complete breakdown.
Quick Picks (Best Petrol Lawn Mowers UK)
- Best petrol mower for most people: Hyundai 51cm Self-Propelled Petrol Lawn Mower
- Best premium feel / reliability: Mountfield SP53 Petrol Lawn Mower
- Best for stripes: Webb Rear Roller Petrol Lawn Mower
- Best for large gardens: Hyundai Self-Propelled Petrol Mower
- Best value petrol mower: Einhell Petrol Lawn Mower
Comparison Table
| Mower | Best For | Cutting Width | Drive Type | Key Strength |
|---|---|---|---|---|
| Hyundai 51cm Petrol | Most gardens | 51cm | Self-propelled | Power & value |
| Mountfield SP53 | Reliability | 51cm | Self-propelled | Trusted UK brand |
| Webb Rear Roller | Stripes | 46–51cm | Self-propelled | Stripe finish |
| Einhell Petrol | Value | 46–51cm | Push / self-propelled | Affordability |
Best Petrol Lawn Mower for Most UK Gardens
Hyundai 51cm Self-Propelled Petrol Lawn Mower
For most UK gardens, this is the type of petrol mower that makes the most sense.
It gives you the key advantages of petrol — power, reliability, and coverage — without pushing into premium pricing.
From a practical point of view, this suits:
- Medium to large lawns
- Lawns that aren’t cut every few days
- Slightly uneven or moss-heavy grass
Why it stands out:
- Self-propelled drive reduces effort
- Wide 51cm cutting width
- Strong, consistent engine performance
- Good value for money
Downsides:
- Heavier than cordless
- Requires basic maintenance
Verdict:
A well-balanced petrol mower that suits the majority of UK gardens.
Best Petrol Lawn Mower for Reliability
Mountfield SP53 Petrol Lawn Mower
Mountfield has been a staple in the UK for years, and that reputation comes from consistency.
This is the kind of mower you buy if you want something dependable that will just keep working season after season.
Why it stands out:
- Proven engine performance
- Solid build quality
- Well-established UK brand
Downsides:
- Less refined than premium models
- Slightly higher price than budget options
Verdict:
A reliable choice if you value long-term dependability.
Best Petrol Lawn Mower for Stripes UK
Webb Rear Roller Petrol Lawn Mower
If you want a striped lawn, you need a rear roller mower.
There’s no shortcut.
Webb offers a more accessible way to achieve that finish without going into high-end territory.
Why it stands out:
- Rear roller creates striped finish
- Good balance between price and performance
- Suitable for most domestic lawns
Downsides:
- Slightly heavier
- Not designed for heavy-duty professional use
Verdict:
The practical option if stripes are a priority.
Best Petrol Lawn Mower for Large Gardens UK
Hyundai Self-Propelled Petrol Mower
For larger lawns, efficiency becomes just as important as power.
A wider deck and self-propelled drive make a noticeable difference over time.
Why it stands out:
- Covers ground quickly
- Strong engine handles thicker grass
- Reduces effort on larger areas
Downsides:
- Storage space required
- Heavier than smaller models
Verdict:
A sensible choice for larger UK gardens where cordless mowers may struggle.
Best Value Petrol Lawn Mower UK
Einhell Petrol Lawn Mower
If you want petrol power at a lower price point, Einhell is worth considering.
Why it stands out:
- Lower cost than most petrol mowers
- Simple and functional
- Suitable for basic lawn care
Downsides:
- Less refined build quality
- Not ideal for heavy or frequent use
Verdict:
A good entry-level petrol option for lighter use.
Are Petrol Lawn Mowers Still Worth It?
Yes — especially in the UK.
Petrol mowers are still the better choice when:
- Lawns are large
- Grass gets thick or damp
- You don’t mow frequently
Cordless mowers are improving, but petrol remains the more forgiving option in tougher conditions.
Petrol vs Cordless Lawn Mowers
Petrol
- More power
- Handles tougher conditions
- Better for large lawns
Cordless
- Easier to use
- Quieter
- Lower maintenance
For many UK gardens:
👉 Petrol is still the safer option if conditions are challenging
If you’re considering a battery option instead, I’ve covered that in my guide to the best cordless lawn mower UK.
What Size Petrol Lawn Mower Do You Need?
- Small lawns (<150m²): 40–46cm
- Medium lawns (150–400m²): 46–51cm
- Large lawns (400m²+): 51cm+
Choosing the right cutting width makes a big difference to how long mowing takes.
FAQ
What is the best petrol lawn mower in the UK?
Hyundai offers a strong balance of performance and value, while Mountfield is a reliable long-term option.
Are petrol mowers better than cordless?
Petrol mowers are better for larger or more demanding lawns, while cordless suits smaller, well-maintained gardens.
Do petrol mowers require maintenance?
Yes — basic maintenance like oil changes and blade sharpening is required.
What petrol mower gives stripes?
Rear roller mowers, such as Webb models, create a striped finish.
