2021 Smart forfour prices

There are 13 used 2021 Smart forfour cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £8,000 (the median: half cost less, half cost more). The cheapest is £6,990. The middle half are priced between £7,500 and £8,100. Median mileage: about 22,000 miles.

Dealers lowered the asking price on more than one in ten of 2021 Smart forfour cars: 2 of the 13 in the 14 days to 8 November 2026.

AskCar lists 257 used Smart forfour across the UK, from 216 dealerships.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 Smart forfour cars for sale now, page 2 of 2

This page lists 2021 Smart forfour cars not picked out on page 1, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 241 priced Smart forfour adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Smart forfour.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

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