2021 Audi A5 2.0 TDI S Line

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)
• Year: 2021
• Mileage: 34,684 miles
• Fuel: Diesel, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 161 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line is advertised with 34,684 miles, approximately 16,300 below the typical mileage for its age. The AskCar estimate for this car is £21,964. It is priced at £19,640, which is £2,324 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,830 Audi A5 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 123 days, and its asking price has been cut by £1,930. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Renault Edinburgh, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,324 (10%) under the AskCar estimate of £21,964.

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 diesel engine is typically advertised at £19,700: the median of the 119 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A5 has been on sale for at least 123 days, and its asking price has been cut by £1,930. 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 2 July 2026 at £21,570. Its asking price is now £19,640, £1,930 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 2 July 2026: £21,570
• 7 July 2026: £21,020
• 13 July 2026: £20,800
• 21 July 2026: £20,790
• 18 August 2026: £20,720
• 25 August 2026: £20,650
• 8 September 2026: £20,320
• 23 September 2026: £20,120
• 29 September 2026: £20,050
• 7 October 2026: £19,980
• 13 October 2026: £19,910
• 20 October 2026: £19,870
• 27 October 2026: £19,640

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 May 2027.

It has had 3 MOTs. The latest, on 22 May 2026, passed.

Advisories at the latest test: offside rear coil spring mounting corroded but not seriously weakened; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 34,355 miles, which matches the advertised 34,684 miles.

Advertised mileage is about 16,300 miles lower than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

30 other 2021 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,995 to £22,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 35,500 miles. Price: £21,995, £2,355 more than this car. Dealer: T & S Elite Cars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a5-2021-2e1c075ac6ea
• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 33,094 miles. Price: £20,440, £800 more than this car. Dealer: Evans Halshaw Citroen Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a5-2021-70c0b06044e9
• 2021 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 37,977 miles. Price: £19,890, £250 more than this car. Dealer: Evans Halshaw Ford Hull East in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a5-2021-1cb702541806

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, grey, 1 miles from this car. Mileage: 68,000 miles. Price: £18,000, £1,640 less than this car. Dealer: John Clark Select Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a5-2021-38b6413ee518