Used diesel Audi S5 for sale under £30,000

There are 20 used diesel Audi S5 under £30,000 for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £28,500 (the median: half cost less, half cost more). The cheapest is £23,990. AskCar lists 374 used Audi S5 across the UK, from 303 dealerships.

The middle half of the 20 cars are priced between £26,000 and £29,500.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

10 of the 20 cars had their price reduced in the last 14 days to 9 November 2026.

Cars for sale now

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 363 priced Audi S5 adverts on AskCar as of 9 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.

Audi S5 by gearbox, fuel and body

Audi S5 prices by year

Audi S5 by price

Audi S5 near you

Diesel cars and vans under £30,000

More Audi

Same budget

Everything