2021 SEAT Mii

Price: £12,080. Above the going rate: £1,255 (11%) over the AskCar estimate of £10,825, our expected asking price for this car from its model, age, mileage and specification, drawing on 123 priced SEAT Mii adverts on AskCar as of 6 November 2026.

AskCar lists 128 used SEAT Mii from 121 UK dealerships, as of 6 November 2026.

Overview

  • Make: SEAT
  • Model: Mii
  • Version: Auto FWD 5dr (81 bhp)
  • Year: 2021
  • Mileage: 15,323 miles
  • Fuel: Electric
  • Body: Hatchback, 5 doors, 4 seats
  • Engine: 81 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 0 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 SEAT Mii has covered 15,323 miles, around 7,200 fewer miles than is typical for its age. Priced at £12,080, it is advertised £1,255 above the AskCar estimate of £10,825. To work out the AskCar estimate, we analyse UK dealer adverts for 123 SEAT Mii cars across different ages and specifications. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Big Motoring World Leeds, based in Leeds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,255 (11%) over the AskCar estimate of £10,825.

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 123 priced SEAT Mii adverts across different ages and specifications, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 SEAT Mii advertised today.

Price history

AskCar first saw this advert on 6 November 2026 at £12,080. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 June 2027.

It has had 3 MOTs. The latest, on 4 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 13,854 miles, which matches the advertised 15,323 miles.

Advertised mileage is about 7,200 miles lower than the median mileage of a 2021 SEAT Mii on AskCar.

Browse all SEAT Mii cars for sale · 2021 SEAT Mii price guide

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Photos

1 photo of this car is on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.