Our verdict
The mower that broke the £400 self-propelled-with-electric-start barrier. It does not match a Mountfield SP46 or a Cobra MX46SPB on long-term durability — those are 10-year mowers, this is a 5-year mower — but the price difference is enormous and the spec sheet on paper is identical. For owners who don't service their machines and just want a thing that starts on the button, the Hyundai is the obvious choice.
Pros & cons
Pros
- Electric start — no pull-cord faff
- 46cm cut for under £350 new
- 3-year domestic warranty
- Self-propelled with mulch plug included
Cons
- Hyundai engine is not Honda — service intervals matter
- Plastic wheel hubs wear after 2-3 seasons
- Battery for electric start is consumable — £45 replacement
Full specs
| Type | Petrol |
|---|---|
| Cut width | 46 cm |
| Engine / Power | Hyundai IC139 139cc OHV |
| Weight | 32 kg |
| Deck | Steel |
| Self-propelled | Yes |
| Rear roller | No |
| Mulching | Yes |
| Cutting heights | 6 positions |
| Bag capacity | 60 L |
| Suited to lawn | Large |
| Noise level | 95 dB |
Buying second-hand
Used HYM480SPERs are everywhere on Marketplace at £140-200 because owners panic when the electric-start battery dies after year three. The battery is generic 12V 7Ah — buy any sealed lead-acid from CPC and pay £18. If the seller is dropping the price because 'the electric start is broken', that is your bargain. Confirm pull-cord still works as backup.
Where to buy the Hyundai HYM480SPER
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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 46cm blade
Annual sharpening is free; replace when bent or cracked.
|
£24–£32 | £8–£12 |
|
Foam air filter
|
£8 | £3 |
|
Spark plug
|
£6 | £2 |
|
Generic carburettor
|
£28 | £14 |
|
Drive cable replacement
Stretches at 5–8 years. 30-minute DIY fit.
|
£18–£28 | £8 |
Fair-offer calculator
Tell us about a specific used listing for the Hyundai HYM480SPER 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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