2018 Smart forfour 0.9

Overview

• Make: Smart
• Model: forfour
• Version: 0.9 Auto RWD Euro 6 5dr (88 bhp)
• Year: 2018
• Mileage: 30,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 4 seats
• Engine: 0.9 litres, 88 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 has covered 30,000 miles, around 7,500 fewer miles than is typical for its age. The dealer is asking £9,990, which is £1,475 above the AskCar estimate of £8,515. To work out the AskCar estimate, we analyse UK dealer adverts for 246 Smart forfour cars across different ages and specifications. This car was first seen in our listings data 12 days ago. Its advertised mileage matches the government's MOT record. The seller is Uki (Sudbury), based in Sudbury. 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

Above the going rate: £1,475 (17%) over the AskCar estimate of £8,515.

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

This 2018 Smart forfour has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £9,990. 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 12 May 2027.

It failed its MOT on 12 May 2026 (exhaust lambda reading after 2nd fast idle outside specified limits; rear exhaust has a major leak of exhaust gases box) and passed 1 day later, on 13 May 2026.

There were no advisories at the latest test.

Mileage at that test: 28,797 miles, which matches the advertised 30,000 miles.

Advertised mileage is about 7,500 miles lower than the median mileage of a 2018 Smart forfour on AskCar.