2021 SEAT Mii

Price: £10,000. Fair price: £281 (2%) over the AskCar estimate of £9,719, our expected asking price for this car from its model, age, mileage and specification, drawing on 125 priced SEAT Mii adverts on AskCar as of 8 November 2026.

AskCar lists 134 used SEAT Mii from 128 UK dealerships, as of 8 November 2026.

Overview

  • Make: SEAT
  • Model: Mii
  • Version: Auto FWD 5dr (81 bhp)
  • Year: 2021
  • Mileage: 32,851 miles
  • Fuel: Electric
  • Body: Hatchback, 5 doors, 4 seats
  • Engine: 81 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 0 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,851 miles on the clock, this 2021 SEAT Mii has done roughly 5,600 more miles than a typical 2021 SEAT Mii. Its asking price of £10,000 is £281 above the AskCar estimate of £9,719. The AskCar estimate draws on 125 SEAT Mii adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at St Motor Group in South Norwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £281 (2%) over the AskCar estimate of £9,719.

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 125 priced SEAT Mii adverts across different ages and specifications, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 SEAT Mii advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £10,000. 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 8 November 2026: valid until 3 April 2027.

It has had 4 MOTs. The latest, on 30 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,715 miles, which matches the advertised 32,851 miles.

Advertised mileage is about 5,600 miles higher 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

44 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.