2021 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 40 TDI 204 S Line S tronic 4WD Euro 6 2dr (201 bhp)
• Year: 2021
• Mileage: 28,160 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line has covered 28,160 miles, around 22,800 fewer miles than is typical for its age. The dealer is asking £22,299, which is £1,969 below the AskCar estimate of £24,268. To work out the AskCar estimate, we analyse UK dealer adverts for 1,830 Audi A5 cars across different ages and specifications. We first saw this car advertised 25 days ago. Its asking price has since fallen by £1,600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £1,969 (8%) under the AskCar estimate of £24,268.

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 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £23,899. Its asking price is now £22,299, £1,600 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 8 October 2026: £23,899
• 12 October 2026: £23,799
• 13 October 2026: £23,599
• 15 October 2026: £23,299
• 17 October 2026: £23,099
• 27 October 2026: £22,699
• 31 October 2026: £22,599
• 2 November 2026: £22,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 November 2026.

It has had 2 MOTs. The latest, on 5 November 2025, passed.

Advisories at the latest test: offside front inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 24,905 miles, which matches the advertised 28,160 miles.

Advertised mileage is about 22,800 miles lower than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

11 other 2021 Audi A5 S Line 2.0 diesel automatic coupes are for sale at UK dealers, from £16,500 to £20,950, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 31,564 miles. Price: £19,995, £2,304 less than this car. Dealer: Sam Performance in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a5-2021-962d481e71fc
• 2021 Audi A5 S Line, 2.0 diesel coupe, blue. Mileage: 34,576 miles. Price: £20,499, £1,800 less than this car. Dealer: John Clark Motor Group Aberdeen Audi in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a5-2021-5b688d7dd2ba
• 2021 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 35,890 miles. Price: £20,950, £1,349 less than this car. Dealer: Murison Cars Rosehill in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a5-2021-4a1fc41fa6d1