2021 SEAT Mii

Price: £10,749. Fair price: £99 (under 1%) under the AskCar estimate of £10,848, our expected asking price for this car from its model, age, mileage and specification, drawing on 118 priced SEAT Mii adverts on AskCar as of 5 November 2026.

AskCar lists 123 used SEAT Mii from 117 UK dealerships, as of 5 November 2026.

Overview

  • Make: SEAT
  • Model: Mii
  • Version: Auto FWD 5dr (81 bhp)
  • Year: 2021
  • Mileage: 12,432 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

This 2021 SEAT Mii has covered 12,432 miles. The AskCar estimate for this car is £10,848. It is priced at £10,749, which is £99 below that estimate. The AskCar estimate uses UK dealer asking prices, including 118 SEAT Mii adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 29 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Swansea, based in Swansea. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £99 (under 1%) under the AskCar estimate of £10,848.

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 118 priced SEAT Mii adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2021 SEAT Mii has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 7 October 2026 at £10,749. Its asking price has not changed.

Price changes recorded:

  • 7 October 2026: £10,749
  • 10 October 2026: £10,549
  • 13 October 2026: £10,599
  • 15 October 2026: £10,799
  • 22 October 2026: £10,599
  • 24 October 2026: £10,649
  • 28 October 2026: £10,749

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 April 2027.

It has had 3 MOTs. The latest, on 13 April 2026, passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 10,541 miles, which matches the advertised 12,432 miles.

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

More like this

Photos

38 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.