2020 Audi S5 prices

There are 13 used 2020 Audi S5 cars for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £29,000 (the median: half cost less, half cost more). The cheapest is £24,950. The middle half are priced between £26,000 and £30,500. Median mileage: about 51,000 miles.

Dealers lowered the asking price on more than half of 2020 Audi S5 cars: 10 of the 13 in the 14 days to 6 November 2026.

AskCar lists 371 used Audi S5 across the UK, from 297 dealerships.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2020 Audi S5 cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. 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 12 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 361 priced Audi S5 adverts on AskCar as of 6 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 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 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2020 Audi S5: priced furthest below the AskCar estimate

Their asking prices run from £24,950 to £34,995.

Cheapest 2020 Audi S5: the lowest asking prices

These 10 are priced £24,950 to £32,995. They have covered 25,647 to 76,000 miles.

Lowest-mileage 2020 Audi S5

These 10 have covered 25,647 to 56,501 miles. Their asking prices run from £24,950 to £35,686.

Recently reduced 2020 Audi S5: the biggest price reductions in the 14 days to 6 November 2026

The dealer lowered the asking price on each of these 9 in the 14 days to 6 November 2026. Their reductions since AskCar first saw them run from £700 to £4,000.

Audi S5 by gearbox, fuel and body

Audi S5 prices by year

Audi S5 by trim

Audi S5 by price

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