RM 448 T
"Stihl-engineered mid-petrol with monosense controls"
RRP New
£599
Manufacturer
Buy Now
£589
Lowest UK retailer
Used Avg
£370
Facebook / eBay UK avg
★ 4.5 (332) · Value 7.8/10
Full RM 448 T review →
SP46
"Britain's best-selling self-propelled petrol"
RRP New
£329
Manufacturer
Buy Now
£279
Lowest UK retailer
Used Avg
£140
Facebook / eBay UK avg
★ 4.3 (1,240) · Value 8.6/10
Full SP46 review →
Verdict — which one to buy
Our take
Stihl vs Mountfield petrol mid-range. Stihl wins on dealer network and build quality; Mountfield wins on price and parts availability. Stihl only worth the premium if you have a Stihl dealer locally.
Spec-by-spec
| Stihl RM 448 T | Mountfield SP46 | |
|---|---|---|
| RRP | £599 | £329 |
| Buy now | £589 | £279 |
| Used avg | £370 | £140 |
| Type | Petrol | Petrol |
| Engine / Power | Stihl EVC 200 | Stiga ST120 OHV 123cc |
| Cut width | 46 cm | 46 cm |
| Weight | 27 kg | 27 kg |
| Self-propelled | Yes | Yes |
| Rear roller (stripes) | No | No |
| Mulching | Yes | Yes |
| Bag capacity | 55 L | 55 L |
| Suited to lawn | Medium | Medium |
| Noise | 95 dB | 95 dB |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Value score | 7.8 / 10 | 8.6 / 10 |
Pros & cons of each
Pros
- Stihl build quality and dealer support
- Mono-handle design is comfortable
- Self-propelled with one-touch start
- Engine is quiet for a petrol
Cons
- Stihl-only parts mean dealer trips
- Slightly more expensive than equivalent Mountfield
- Mono handle awkward for tall users
Pros
- Best-value self-propelled petrol on the UK market
- Stiga engine is reliable and parts are everywhere
- Light at 27kg — easy to push and store
- Huge used supply keeps prices low
Cons
- Plastic deck not as durable as steel
- Cable-operated drive less smooth than Honda
- Rear flap hinge a known weak point
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