2021 Audi S5 3.0 TDI V6

Price: £26,975. Fair price: £1,141 (4%) under the AskCar estimate of £28,116, our expected asking price for this car from its model, age, mileage and specification, drawing on 361 priced Audi S5 adverts on AskCar as of 4 November 2026.

AskCar lists 372 used Audi S5 from 297 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: S5
  • Version: 3.0 TDI V6 Tiptronic 4WD Euro 6 (s/s) 5dr (336 bhp)
  • Year: 2021
  • Mileage: 42,467 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 3.0 litres, 336 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 187 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi S5 has covered 42,467 miles. Priced at £26,975, it is advertised £1,141 below the AskCar estimate of £28,116. To work out the AskCar estimate, we analyse UK dealer adverts for 361 Audi S5 cars across different ages and specifications. We first recorded this advert 131 days ago, and its asking price has since fallen by £3,000. The government's MOT record matches its advertised mileage. It is for sale at PCBS Sales in Willenhall. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,141 (4%) under the AskCar estimate of £28,116.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 361 priced Audi S5 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi S5 with the 3.0 diesel engine is typically advertised at £30,500: the median of the 11 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi S5 has been on sale for at least 131 days.

Price history

AskCar first saw this advert on 26 June 2026 at £29,975. Its asking price is now £26,975, £3,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 27 June 2026: £29,975
  • 10 July 2026: £28,975
  • 20 July 2026: £27,975
  • 21 October 2026: £27,475
  • 23 October 2026: £26,975

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 March 2027.

It has had 4 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,828 miles, which matches the advertised 42,467 miles.

Browse all Audi S5 cars for sale · 2021 Audi S5 price guide

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Photos

35 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.