2021 SEAT Mii
Price: £10,499. Fair price: £368 (3%) over the AskCar estimate of £10,131, our expected asking price for this car from its model, age, mileage and specification, drawing on 126 priced SEAT Mii adverts on AskCar as of 7 November 2026.
AskCar lists 135 used SEAT Mii from 128 UK dealerships, as of 7 November 2026.
Overview
- Make: SEAT
- Model: Mii
- Version: Auto FWD 5dr (81 bhp)
- Year: 2021
- Mileage: 25,275 miles
- Fuel: Electric
- Body: Hatchback, 5 doors, 4 seats
- Engine: 81 bhp
- Gearbox: Automatic
- Drive: Front-wheel drive
- Colour: White
- CO2: 0 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 SEAT Mii has covered 25,275 miles. Priced at £10,499, it is advertised £368 above the AskCar estimate of £10,131. The AskCar estimate draws on 126 SEAT Mii adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 12 days ago, the asking price has dropped by £400. The government's MOT record matches its advertised mileage. You can find this car at cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £368 (3%) over the AskCar estimate of £10,131.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 126 priced SEAT Mii adverts across different ages and specifications, as of 7 November 2026.
Time on sale
This 2021 SEAT Mii has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 26 October 2026 at £10,899. Its asking price is now £10,499, £400 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 26 October 2026: £10,899
- 27 October 2026: £10,699
- 31 October 2026: £10,499
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 18 October 2027.
It has had 3 MOTs. The latest, on 19 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 25,272 miles, which matches the advertised 25,275 miles.
Browse all SEAT Mii cars for sale · 2021 SEAT Mii price guide
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Photos
26 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.