2021 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 40 TDI S Line S tronic 4WD Euro 6 5dr (201 bhp)
• Year: 2021
• Mileage: 68,126 miles
• Fuel: Diesel, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line has covered 68,126 miles, around 17,400 more miles than is typical for its age. Priced at £17,990, it is advertised £1,296 below the AskCar estimate of £19,286. To work out the AskCar estimate, we analyse UK dealer adverts for 1,868 Audi A5 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 120 days, and its asking price is down £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Auto Zone Peterborough, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,296 (6%) under the AskCar estimate of £19,286.

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 1,868 priced Audi A5 adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi A5 with the 2.0 diesel engine is typically advertised at £19,800: the median of the 132 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A5 has been on sale for at least 120 days, and its asking price has been cut by £2,000. About half of 2021 Audi A5 cars are gone from sale within a month of being advertised: 91 of the 170 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 8 July 2026 at £19,990. Its asking price is now £17,990, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 8 July 2026: £19,990
• 15 August 2026: £19,490
• 4 September 2026: £19,290
• 11 September 2026: £19,190
• 3 October 2026: £18,690
• 8 October 2026: £18,590
• 31 October 2026: £17,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 April 2027.

It has had 3 MOTs. The latest, on 10 April 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; offside rear child seat fitted not allowing full inspection of adult belt; offside front inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 67,566 miles, which matches the advertised 68,126 miles.

Advertised mileage is about 17,400 miles higher than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

35 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 5 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, the same price as 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, white. Mileage: 68,000 miles. Price: £18,489, £499 more than this car. Dealer: Zreik Motors in UB6 7DE. AskCar page: https://askcar.co.uk/car/audi-a5-2021-5ecf6b7ba7b7
• 2021 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 66,000 miles. Price: £19,395, £1,405 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2021-fe96688d221a

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, grey, 25 miles from this car. Mileage: 43,000 miles. Price: £20,975, £2,985 more than this car. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham. AskCar page: https://askcar.co.uk/car/audi-a5-2021-455b1fd25bd8