2021 Smart forfour Premium

Overview

• Make: Smart
• Model: forfour
• Trim: Premium
• Version: 17.6kWh Premium Auto RWD 5dr Charger (81 bhp)
• Year: 2021
• Mileage: 42,570 miles
• Fuel: Electric
• Body: Hatchback, 5 doors, 4 seats
• Engine: 81 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Smart forfour Premium has covered 42,570 miles, around 23,200 more miles than is typical for its age. Its asking price of £7,058 is £227 above the AskCar estimate of £6,831. The AskCar estimate uses UK dealer asking prices, including 246 Smart forfour adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 2 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Carsa Cannock in Cannock Chase. 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: £227 (3%) over the AskCar estimate of £6,831.

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.

Time on sale

AskCar first saw this 2021 Smart forfour advertised 2 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £6,743. Its asking price is now £7,058, £315 more.

Price changes recorded:

• 31 October 2026: £6,743
• 1 November 2026: £7,020
• 2 November 2026: £7,058

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 September 2027.

It failed its MOT on 21 September 2026 (nearside headlamp aim projected beam image is obviously incorrect) and passed 9 days later, on 30 September 2026.

Advisories at the latest test: front inner brake disc worn, pitted or scored, but not seriously weakened; nearside rear tyre worn close to legal limit/worn on edge 2.3mm.

Mileage at that test: 42,260 miles, which matches the advertised 42,570 miles.

Advertised mileage is about 23,200 miles higher than the median mileage of a 2021 Smart forfour on AskCar.

Similar cars

3 other 2021 Smart forfour Premium automatic hatchbacks are for sale at UK dealers, from £7,095 to £8,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Smart forfour Premium, hatchback, white. Mileage: 26,000 miles. Price: £7,095, the same price as this car. Dealer: Colney Prestige Autos in St Albans. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-92319163f708
• 2021 Smart forfour Premium, hatchback, white. Mileage: 22,000 miles. Price: £7,495, £437 more than this car. Dealer: Magnum Car Sales in Broxburn. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-0188329f0c3f
• 2021 Smart forfour Premium, hatchback, silver. Mileage: 11,956 miles. Price: £8,000, £942 more than this car. Dealer: Holden Honda in Norwich. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-f843317c0181