2018 Smart forfour 0.9 PRIME PREMIUM

Overview

• Make: Smart
• Model: forfour
• Trim: Prime Premium
• Version: 0.9 T Prime Premium Auto RWD Euro 6 (s/s) 5dr Twinamic (89 bhp)
• Year: 2018
• Mileage: 85,220 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 4 seats
• Engine: 0.9 litres, 89 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 98 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Smart forfour Prime Premium is advertised with 85,220 miles, approximately 47,700 above the typical mileage for its age. The AskCar estimate for this car is £5,740. It is priced at £6,050, which is £310 above that estimate. The AskCar estimate draws on 246 Smart forfour adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 6 days. The government's MOT record matches its advertised mileage. It is for sale at M 5 Autos in Hounslow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £310 (5%) over the AskCar estimate of £5,740.

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 246 priced Smart forfour adverts across different ages and specifications, as of 2 November 2026.

A 2018 Smart forfour with the 0.9 petrol engine is typically advertised at £8,800: the median of the 20 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Smart forfour advertised 6 days ago. About 6 in 10 of 2018 Smart forfour cars are gone from sale within a month of being advertised: 32 of the 53 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 2026 at £6,050. 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 2 November 2026: valid until 26 July 2027.

It failed its MOT on 27 July 2026 (nearside stop lamp(s) not working) and passed later the same day.

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

Mileage at that test: 84,950 miles, which matches the advertised 85,220 miles.

Advertised mileage is about 47,700 miles higher than the median mileage of a 2018 Smart forfour on AskCar.

Similar cars

2 other 2018 Smart forfour Prime Premium 0.9 petrol automatic hatchbacks are for sale at UK dealers, from £8,990 to £8,995, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2018 Smart forfour Prime Premium, 0.9 petrol hatchback, black. Mileage: 27,000 miles. Price: £8,995, £2,945 more than this car. Dealer: Motor Trade Centre in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/smart-forfour-2018-905213ebf881
• 2018 Smart forfour Prime Premium, 0.9 petrol hatchback, black. Mileage: 23,012 miles. Price: £8,990, £2,940 more than this car. Dealer: Perrys Burnley in Burnley. AskCar page: https://askcar.co.uk/car/smart-forfour-2018-aea91c40e2b9