2021 Audi A5 2.0 TDI S Line
Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
Price: £18,989. Fair price: £194 (1%) under the AskCar estimate of £19,183, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,835 priced Audi A5 adverts on AskCar as of 31 October 2026.
AskCar lists 1,876 used Audi A5 from 1,055 UK dealerships, as of 31 October 2026.
Overview
- Make
- Audi
- Model
- A5
- Trim
- S Line
- Version
- 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
- Mileage
- 60,000 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 161 bhp
- Seats
- 5
- CO2
- 137 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2021 Audi A5 S Line is advertised with 60,000 miles, approximately 8,700 above the typical mileage for its age. Its asking price of £18,989 is £194 below the AskCar estimate of £19,183. The AskCar estimate uses 1,835 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its recorded MOT is valid until 19 November 2026, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Bluehawk Automotive in Hounslow.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £18,989 |
Price and mileage comparison
Fair price: £194 (1%) under the AskCar estimate of £19,183.
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 1,835 priced Audi A5 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 8,700 miles higher 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 19 November 2026. 58,398 miles at the last test.
Other matching cars
42 other 2021 Audi A5 S Line automatic diesel cars are for sale at UK dealers from £13,995 to £22,990, as of 31 October 2026.
The 5 cheapest:
- 2021 Audi A5. Price: £13,995. Mileage: 111,500 miles. Dealer: Castleton Motor Group in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a5-2021-dda167264eda
- 2021 Audi A5. Price: £15,791. Mileage: 95,052 miles. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a5-2021-63c94aa37289
- 2021 Audi A5. Price: £15,850. Mileage: 95,115 miles. Dealer: LIV Motors in Prestwich. AskCar page: https://askcar.co.uk/car/audi-a5-2021-a30d3b58600e
- 2021 Audi A5. Price: £16,450. Mileage: 82,210 miles. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9c6f94bffb32
- 2021 Audi A5. Price: £16,500. Mileage: 80,668 miles. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a5-2021-953c369a5eea
The 42 matching cars have covered 17,325 to 111,500 miles, compared with 60,000 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
34 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.