2020 Smart forfour prices

There are 11 used 2020 Smart forfour cars for sale from UK dealers on AskCar, as of 2 November 2026. Typical asking price £7,700 (the median: half cost less, half cost more). The cheapest is £6,395. The middle half are priced between £7,500 and £8,000. Median mileage: about 21,000 miles.

Dealers lowered the asking price on 1 of the 11 2020 Smart forfour cars in the 14 days to 2 November 2026.

AskCar lists 259 used Smart forfour across the UK, from 217 dealerships.

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.

2020 Smart forfour cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 11 cars listed here meet these rules.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 246 priced Smart forfour adverts on AskCar as of 2 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 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.

Best value 2020 Smart forfour: priced furthest below the AskCar estimate

Their asking prices run from £6,395 to £8,495.

Cheapest 2020 Smart forfour: the lowest asking prices

These 10 are priced £6,395 to £8,495. They have covered 10,259 to 42,080 miles.

Lowest-mileage 2020 Smart forfour

These 10 have covered 5,193 to 38,813 miles. Their asking prices run from £6,395 to £8,495.

Recently reduced 2020 Smart forfour: the biggest price reductions in the 14 days to 2 November 2026

The dealer lowered the asking price on this car in the 14 days to 2 November 2026.

Newly advertised 2020 Smart forfour: first seen by AskCar in the 7 days to 2 November 2026

These 3 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Smart forfour by gearbox, fuel and body

Smart forfour prices by year

Smart forfour by trim

Smart forfour by price

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