2017 SEAT Mii 1.0

Overview

• Make: SEAT
• Model: Mii
• Version: 1.0 Manual FWD
• Year: 2017
• Mileage: 87,428 miles
• Fuel: Petrol
• Body: Hatchback, 4 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 102 g/km

About this car

This 2017 SEAT Mii is advertised with 87,428 miles, approximately 35,300 above the typical mileage for its age. The AskCar estimate for this car is £4,282. It is priced at £3,284, which is £998 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 118 SEAT Mii cars across different ages and specifications. The asking price is now £1,100 lower than when we first recorded the advert 38 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Fort Southwick Cars, based in Fareham. 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

Good value: £998 (23%) under the AskCar estimate of £4,282.

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.

A 2017 SEAT Mii with the 1.0 petrol engine is typically advertised at £5,500: the median of the 17 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2017 SEAT Mii has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 28 September 2026 at £4,384. Its asking price is now £3,284, £1,100 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 September 2026: £4,384
• 17 October 2026: £3,784
• 29 October 2026: £3,488
• 5 November 2026: £3,284

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 September 2027.

It failed its MOT on 3 September 2026 (offside front tyre tread depth below requirements of 1.6mm; nearside front macpherson strut top bush or bearing has excessive wear or free play) and passed 9 days later, on 12 September 2026.

There were no advisories at the latest test.

Mileage at that test: 87,326 miles, which matches the advertised 87,428 miles.

Advertised mileage is about 35,300 miles higher than the median mileage of a 2017 SEAT Mii on AskCar.