2021 Smart forfour EQ Premium

Price: £8,799. Fair price: £279 (3%) under the AskCar estimate of £9,078, our expected asking price for this car from its model, age, mileage and specification, drawing on 246 priced Smart forfour adverts on AskCar as of 2 November 2026.

AskCar lists 259 used Smart forfour from 217 UK dealerships, as of 2 November 2026.

Overview

  • Make: Smart
  • Model: forfour
  • Trim: Premium
  • Version: 17kWh EQ Premium Auto RWD 5dr (22kWch) (80 bhp)
  • Year: 2021
  • Mileage: 5,276 miles
  • Fuel: Electric
  • Body: Hatchback, 5 doors, 4 seats
  • Engine: 80 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 0 g/km

About this car

This 2021 Smart forfour Premium is advertised with 5,276 miles, approximately 14,100 below the typical mileage for its age. Priced at £8,799, it is advertised £279 below the AskCar estimate of £9,078. The AskCar estimate draws on 246 Smart forfour adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 6 days ago. The government's MOT record matches its advertised mileage. You can find this car at cinch Corby in North Northamptonshire. 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: £279 (3%) under the AskCar estimate of £9,078.

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 6 days ago.

Price history

AskCar first saw this advert on 27 October 2026 at £8,699. Its asking price is now £8,799, £100 more.

Price changes recorded:

  • 27 October 2026: £8,699
  • 31 October 2026: £8,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 October 2027.

It has had 3 MOTs. The latest, on 22 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 5,275 miles, which matches the advertised 5,276 miles.

Advertised mileage is about 14,100 miles lower than the median mileage of a 2021 Smart forfour on AskCar.

Browse all Smart forfour cars for sale · 2021 Smart forfour price guide

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Photos

29 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.