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: 71,000 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: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 71,000 miles on the clock, this 2021 Audi A5 S Line has done roughly 20,300 more miles than a typical 2021 Audi A5. The AskCar estimate for this car is £17,831. It is priced at £16,995, which is £836 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,868 Audi A5 cars across different ages and specifications. We have tracked this advert for 8 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is David Hayton Autostore Penrith, based in Penrith. 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: £836 (4%) under the AskCar estimate of £17,831.

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

This 2021 Audi A5 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 28 October 2026 at £16,995. 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 5 November 2026: valid until 5 March 2027.

It has had 4 MOTs. The latest, on 6 March 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 62,827 miles, which matches the advertised 71,000 miles.

Advertised mileage is about 20,300 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, white. Mileage: 72,000 miles. Price: £20,495, £3,500 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a5-2021-acefeb031022
• 2021 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 73,350 miles. Price: £17,990, £995 more than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a5-2021-11ba96e7ac1f
• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 68,126 miles. Price: £17,990, £995 more 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, white, 58 miles from this car. Mileage: 19,982 miles. Price: £19,995, £3,000 more than this car. Dealer: Oakwood Specialist Cars in Whitley Bay. AskCar page: https://askcar.co.uk/car/audi-a5-2021-7fae677e692d