Our verdict
Stihl arrived late to robotics but the iMOW 6 is genuinely competitive with the Husqvarna 410 NERA. Worth considering if you already trust Stihl petrol kit and have a Stihl dealer nearby.
Pros & cons
Pros
- Stihl quality and dealer support
- Wire-free with GPS RTK
- 22cm cut bigger than Husqvarna entries
- Pro-grade build
Cons
- Brand new — long-term reliability unproven
- RTK setup needs clear sky
- Stihl premium pricing
Full specs
| Type | Robotic |
|---|---|
| Cut width | 22 cm |
| Engine / Power | Stihl 36V brushless |
| Weight | 14 kg |
| Deck | Composite |
| Self-propelled | Yes |
| Rear roller | No |
| Mulching | Yes |
| Cutting heights | 6 positions |
| Bag capacity | — |
| Suited to lawn | Large |
| Noise level | 58 dB |
Buying second-hand
£1300–1900 used (rare on Marketplace yet — most are still under warranty). RTK reference station must be included. Verify dealer warranty transfer — Stihl handles this cleanly via chassis number. Reset the iMOW Cloud account before purchase.
Where to buy the Stihl iMOW 6 EVO
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Repair-cost reference
UK 2026 ballpark prices for the parts you're most likely to need on this mower. OEM is dealer-genuine; aftermarket is what you'll find on eBay or generic small-engine suppliers. Use these to sense-check any quote and to negotiate on used buys.
| Part / job | OEM | Aftermarket |
|---|---|---|
|
Replacement 22cm blade
Annual sharpening is free; replace when bent or cracked.
|
£24–£32 | £8–£12 |
|
AP 300 S battery (4.4Ah)
|
£169 | — |
|
AP 500 S battery (8.1Ah)
|
£289 | — |
|
AL 301 charger
|
£89 | — |
|
Replacement battery
Wear part — typical 3–5 years to 80% capacity. The biggest single repair cost on any battery mower.
|
£90–£180 | £55–£120 |
|
Mainboard / control unit
Failure typically requires dealer fit. Not economic past 8 years on entry-tier robots.
|
£180–£320 | — |
|
Boundary wire repair (per splice)
Most common robotic fault — see /blog/robotic-mower-boundary-wire-repair.
|
£12 connector | £4 |
Fair-offer calculator
Tell us about a specific used listing for the Stihl iMOW 6 EVO you're looking at. We'll compute a fair offer range from our used-market data and the condition signals you provide.
Calculations are guidance, not gospel. Used-market prices vary by region (Scotland is typically 10–15% cheaper than the South-East), season (October cheapest, March most expensive), and seller motivation.
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