2017 Audi S5 prices under £20,000

There are 83 used 2017 Audi S5 cars for sale under £20,000 from UK dealers on AskCar, as of 12 November 2026. Typical asking price £18,000 (the median: half cost less, half cost more). The cheapest is £12,795. The middle half are priced between £16,900 and £19,000. Median mileage: about 80,000 miles.

Dealers lowered the asking price on more than a third of 2017 Audi S5 cars under £20,000: 28 of the 83 in the 14 days to 12 November 2026.

AskCar lists 370 used Audi S5 across the UK, from 303 dealerships.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2017 Audi S5 cars for sale now under £20,000, page 2 of 2

This page lists 2017 Audi S5 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 360 priced Audi S5 adverts on AskCar as of 12 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2017 Audi S5.

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 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Audi S5 by gearbox, fuel and body

Audi S5 under £20,000 by gearbox, fuel and body

Audi S5 prices by year

Audi S5 by price

Audi S5 near you

More Audi

Same budget

Everything