Used small automatic diesel cars for sale

There are 251 used small automatic diesel cars for sale from UK dealers on AskCar, as of 2 November 2026. Typical asking price £7,000 (the median: half cost less, half cost more). The cheapest is £1,295.

The middle half of the 251 cars are priced between £5,000 and £9,000.

Small cars here are city cars and superminis, not crossovers, from AskCar's list of small models.

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.

40 of the 251 cars had their price reduced in the last 14 days to 2 November 2026.

Cars for sale now, page 1 of 3

Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the priced adverts of its make and model on AskCar as of 2 November 2026.

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.

Cheaper cars like each one, with its price history, are on its AskCar page.

Each on its own

By price

Popular models

By make

By country

By town