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: 111,500 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

This 2021 Audi A5 S Line has covered 111,500 miles, around 60,500 more miles than is typical for its age. Priced at £13,995, it is advertised £583 above the AskCar estimate of £13,412. 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 13 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Castleton Motor Group in Rochdale. 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

Fair price: £583 (4%) over the AskCar estimate of £13,412.

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

This 2021 Audi A5 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £13,995. 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 2 November 2026: valid until 15 March 2027.

It has had 3 MOTs. The latest, on 9 March 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin; offside front tyre worn close to legal limit/worn on edge wearing inner edge; nearside front tyre worn close to legal limit/worn on edge wearing inner edge; and 2 more.

Mileage at that test: 97,911 miles, which matches the advertised 111,500 miles.

Advertised mileage is about 60,500 miles higher 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 £15,791 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, black. Mileage: 95,115 miles. Price: £15,850, £1,855 more than this car. Dealer: LIV Motors in Prestwich. AskCar page: https://askcar.co.uk/car/audi-a5-2021-a30d3b58600e
• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 95,052 miles. Price: £15,791, £1,796 more than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a5-2021-63c94aa37289
• 2021 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 95,000 miles. Price: £19,495, £5,500 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a5-2021-c92d51629d83

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, black, 1 miles from this car. Mileage: 73,350 miles. Price: £17,990, £3,995 more than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a5-2021-11ba96e7ac1f