2018 SEAT Mii 1.0

Overview

• Make: SEAT
• Model: Mii
• Version: 1.0 Manual FWD Euro 6 5dr (59 bhp)
• Year: 2018
• Mileage: 28,808 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 4 seats
• Engine: 1.0 litres, 59 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 102 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,808 miles on the clock, this 2018 SEAT Mii has done roughly 12,900 fewer miles than a typical 2018 SEAT Mii. This car is priced at £3,990, £2,821 below the AskCar estimate of £6,811. Such a large price gap is worth checking with the dealer. The AskCar estimate draws on 126 SEAT Mii adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 163 days ago, and its asking price has since fallen by £510. The latest recorded MOT expiry date is 9 September 2025, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Sam Car Sales in Portsmouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £2,821 (41%) under the AskCar estimate of £6,811. Worth asking the dealer why.

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 126 priced SEAT Mii adverts across different ages and specifications, as of 7 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 7 November 2026.

Time on sale

This 2018 SEAT Mii has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £4,500. Its asking price is now £3,990, £510 less. The latest price cut was seen on 24 June 2026.

Price changes recorded:

• 28 May 2026: £4,500
• 24 June 2026: £3,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 9 September 2025; ask the dealer for the current MOT.

It failed its MOT on 10 September 2024 (front registration plate insecure) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 28,486 miles, which matches the advertised 28,808 miles.

Advertised mileage is about 12,900 miles lower than the median mileage of a 2018 SEAT Mii on AskCar.