2018 SEAT Mii 1.0 FR Line
Price: £7,790. Fair price: £272 (3%) over the AskCar estimate of £7,518, 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
- Trim: FR Line
- Version: 1.0 FR Line Manual FWD Euro 6 5dr (74 bhp)
- Year: 2018
- Mileage: 17,337 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 4 seats
- Engine: 1.0 litres, 74 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Red
- CO2: 97 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 17,337 miles, this 2018 SEAT Mii FR Line has covered about 24,400 fewer miles than other 2018 SEAT Mii cars. Its asking price of £7,790 is £272 above the AskCar estimate of £7,518. The AskCar estimate uses UK dealer asking prices, including 123 SEAT Mii adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 38 days ago. Its asking price has since fallen by £99. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Thurlow Nunn Kings Lynn, based in Kings Lynn. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £272 (3%) over the AskCar estimate of £7,518.
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.
A 2018 SEAT Mii with the 1.0 petrol engine is typically advertised at £6,500: the median of the 13 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 SEAT Mii has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 29 September 2026 at £7,889. Its asking price is now £7,790, £99 less. The latest price cut was seen on 23 October 2026.
Price changes recorded:
- 29 September 2026: £7,889
- 8 October 2026: £7,963
- 15 October 2026: £7,790
- 22 October 2026: £7,880
- 23 October 2026: £7,790
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 31 July 2027.
It has had 6 MOTs. The latest, on 21 July 2026, passed.
Advisories at the latest test: rear registration plate deteriorated but not likely to be misread; nearside rear child seat fitted not allowing full inspection of adult belt; vehicles internal headlight adjuster altered to recheck lights.
Mileage at that test: 16,904 miles, which matches the advertised 17,337 miles.
Advertised mileage is about 24,400 miles lower than the median mileage of a 2018 SEAT Mii on AskCar.
Similar cars
6 other 2018 SEAT Mii FR Line 1.0 petrol manual hatchbacks are for sale at UK dealers, from £5,495 to £8,795, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2018 SEAT Mii FR Line, 1.0 petrol hatchback, blue. Mileage: 7,000 miles. Price: £8,795, £1,005 more than this car. Dealer: Fenways Car Sales in Sidcup. AskCar page: https://askcar.co.uk/car/seat-mii-2018-d4b323afcc82
- 2018 SEAT Mii FR Line, 1.0 petrol hatchback, red. Mileage: 28,293 miles. Price: £7,599, £191 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/seat-mii-2018-09896ad12ac2
- 2018 SEAT Mii FR Line, 1.0 petrol hatchback, blue. Mileage: 34,276 miles. Price: £6,795, £995 less than this car. Dealer: The Yorkshire Car Centre in Wakefield. AskCar page: https://askcar.co.uk/car/seat-mii-2018-65850dd8bdb5
Browse all SEAT Mii cars for sale · 2018 SEAT Mii price guide
More like this
- Used SEAT Mii FR Line prices
- Used SEAT Mii for sale under £8,000
- Used SEAT Mii for sale near King's Lynn
Photos
40 photos of this car are 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.