2021 Smart forfour Premium
Version: 17.6kWh Premium Auto RWD 5dr Charger (81 bhp)
Price: £6,743. Fair price: £27 (under 1%) under the AskCar estimate of £6,770, our expected asking price for this car from its model, age, mileage and specification, drawing on 233 priced Smart forfour adverts on AskCar as of 31 October 2026.
AskCar lists 246 used Smart forfour from 204 UK dealerships, as of 31 October 2026.
Overview
- Make
- Smart
- Model
- forfour
- Trim
- Premium
- Version
- 17.6kWh Premium Auto RWD 5dr Charger (81 bhp)
- Mileage
- 42,570 miles
- Year
- 2021
- Fuel type
- Electric
- Body type
- Hatchback
- Gearbox
- Automatic
- Power
- 81 bhp
- Seats
- 4
- CO2
- 0 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Rear Wheel Drive
- Engine badge
- Premium
- Emissions standard
- Euro 6
About this car
This 2021 Smart forfour Premium has covered 42,570 miles, around 21,900 more miles than is typical for its age. Its asking price of £6,743 is £27 below the AskCar estimate of £6,770. The AskCar estimate uses UK dealer asking prices, including 233 Smart forfour adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. The latest MOT record shows an expiry date of 29 September 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Carsa Cannock in Cannock Chase.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £6,743 |
Price and mileage comparison
Fair price: £27 (under 1%) under the AskCar estimate of £6,770.
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 233 priced Smart forfour adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 21,900 miles higher than the median mileage of a 2021 Smart forfour on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 29 September 2027. 42,260 miles at the last test.
Other matching cars
6 other 2021 Smart forfour Premium automatic electric cars are for sale at UK dealers from £7,095 to £9,595, as of 31 October 2026.
The 5 cheapest:
- 2021 Smart forfour. Price: £7,095. Mileage: 26,000 miles. Dealer: Colney Prestige Autos in St Albans. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-92319163f708
- 2021 Smart forfour. Price: £7,495. Mileage: 22,000 miles. Dealer: Magnum Car Sales in Broxburn. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-0188329f0c3f
- 2021 Smart forfour. Price: £8,000. Mileage: 11,956 miles. Dealer: Holden Honda in Norwich. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-f843317c0181
- 2021 Smart forfour. Price: £8,099. Mileage: 23,525 miles. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-62c1fbf7bd86
- 2021 Smart forfour. Price: £8,799. Mileage: 5,276 miles. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/smart-forfour-2021-ef4cbb0abab3
The 6 matching cars have covered 5,276 to 26,000 miles, compared with 42,570 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Smart forfour cars for sale · 2021 Smart forfour price guide
More like this
- Used Smart forfour for sale under £8,000
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- Used electric Smart forfour for sale
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.