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: 66,000 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: Blue
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 66,000 miles, this 2021 Audi A5 S Line has covered about 15,900 more miles than other 2021 Audi A5 cars. Its asking price of £19,395 is £907 above the AskCar estimate of £18,488. The AskCar estimate draws on 1,865 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at Hynes Motors in Newry. 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: £907 (4%) over the AskCar estimate of £18,488.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi A5 with the 2.0 diesel engine is typically advertised at £19,700: the median of the 128 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Audi A5 advertised 1 day ago. About half of 2021 Audi A5 cars are gone from sale within a month of being advertised: 89 of the 167 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £19,395. 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 4 November 2026: valid until 28 August 2027.

It has had 3 MOTs. The latest, on 18 August 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 64,324 miles, which matches the advertised 66,000 miles.

Advertised mileage is about 15,900 miles higher than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

34 other 2021 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,995 to £23,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 68,000 miles. Price: £18,000, £1,395 less than this car. Dealer: John Clark Select Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a5-2021-38b6413ee518
• 2021 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 64,000 miles. Price: £18,950, £445 less than this car. Dealer: United Car Sales in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a5-2021-8107d34f4fc4
• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 68,126 miles. Price: £17,990, £1,405 less than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2021-235481043439

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, blue, 7 miles from this car. Mileage: 51,000 miles. Price: £21,500, £2,105 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2021-00c6bfd32934