2021 Audi A5 2.0 TFSI S Line
Version: 2.0 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (261 bhp)
Price: £25,595. Fair price: £1,023 (3%) under the AskCar estimate of £26,618, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,838 priced Audi A5 adverts on AskCar as of 30 October 2026.
AskCar lists 1,892 used Audi A5 from 1,067 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A5
- Trim
- S Line
- Version
- 2.0 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (261 bhp)
- Mileage
- 23,282 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 261 bhp
- Seats
- 5
- CO2
- 170 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2021 Audi A5 S Line has covered 23,282 miles, around 28,100 fewer miles than is typical for its age. The AskCar estimate for this car is £26,618. It is priced at £25,595, which is £1,023 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,838 Audi A5 cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 12 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Group 1 Automotive Whetstone Audi, based in Whetstone.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £25,595 |
Price and mileage comparison
Fair price: £1,023 (3%) under the AskCar estimate of £26,618.
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 1,838 priced Audi A5 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 28,100 miles lower than the median mileage of a 2021 Audi A5 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 12 February 2027. 19,510 miles at the last test.
Other matching cars
24 other 2021 Audi A5 S Line automatic petrol cars are for sale at UK dealers from £14,850 to £23,725, as of 30 October 2026.
The 5 cheapest:
- 2021 Audi A5. Price: £14,850. Mileage: 89,393 miles. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2021-a32ec325385a
- 2021 Audi A5. Price: £15,995. Mileage: 77,000 miles. Dealer: Bateman & Lynch Cars Tavistock in Tavistock. AskCar page: https://askcar.co.uk/car/audi-a5-2021-f84568de4731
- 2021 Audi A5. Price: £16,495. Mileage: 77,997 miles. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a5-2021-bf3dfd599266
- 2021 Audi A5. Price: £17,380. Mileage: 75,466 miles. Dealer: Stratstone Wolverhampton Audi in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a5-2021-a097d86b3b9b
- 2021 Audi A5. Price: £17,448. Mileage: 69,873 miles. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a5-2021-f15c1ecf9726
The 24 matching cars have covered 20,573 to 89,393 miles, compared with 23,282 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A5 cars for sale · 2021 Audi A5 price guide
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Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.