2021 Audi A5 2.0 TFSI S Line
Price: £20,489. Fair price: £68 (under 1%) under the AskCar estimate of £20,557, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,830 priced Audi A5 adverts on AskCar as of 2 November 2026.
AskCar lists 1,887 used Audi A5 from 1,070 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A5
- Trim: S Line
- Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 2dr (187 bhp)
- Year: 2021
- Mileage: 43,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A5 S Line is advertised with 43,000 miles, approximately 8,000 below the typical mileage for its age. The AskCar estimate for this car is £20,557. It is priced at £20,489, which is £68 below that estimate. The AskCar estimate draws on 1,830 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 days ago. The government's MOT record matches its advertised mileage. You can find this car at Auto Vuego Motors in Uxbridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £68 (under 1%) under the AskCar estimate of £20,557.
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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.
A 2021 Audi A5 with the 2.0 petrol engine is typically advertised at £19,700: the median of the 119 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2021 Audi A5 advertised 5 days ago. About half of 2021 Audi A5 cars are gone from sale within a month of being advertised: 84 of the 157 first advertised between 8 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 28 October 2026 at £20,489. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 May 2027.
It has had 4 MOTs. The latest, on 26 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 39,096 miles, which matches the advertised 43,000 miles.
Advertised mileage is about 8,000 miles lower than the median mileage of a 2021 Audi A5 on AskCar.
Similar cars
3 other 2021 Audi A5 S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £15,995 to £20,880, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A5 S Line, 2.0 petrol coupe, black. Mileage: 46,000 miles. Price: £19,995, £494 less than this car. Dealer: Hudson Autos in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9479877982f5
- 2021 Audi A5 S Line, 2.0 petrol coupe, white. Mileage: 20,573 miles. Price: £20,880, £391 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2021-e62843743b14
- 2021 Audi A5 S Line, 2.0 petrol coupe, black. Mileage: 77,000 miles. Price: £15,995, £4,494 less than this car. Dealer: Bateman & Lynch Cars Tavistock in Tavistock. AskCar page: https://askcar.co.uk/car/audi-a5-2021-f84568de4731
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.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.