2021 Audi A5 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
• Year: 2021
• Mileage: 21,667 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,667 miles on the clock, this 2021 Audi A5 S Line has done roughly 27,500 fewer miles than a typical 2021 Audi A5. The dealer is asking £21,998, which is £1,560 below the AskCar estimate of £23,558. To work out the AskCar estimate, we analyse UK dealer adverts for 1,869 Audi A5 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 79 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 CarSupermarket.com Birmingham, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,560 (6%) under the AskCar estimate of £23,558.

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 1,869 priced Audi A5 adverts across different ages and specifications, as of 7 November 2026.

A 2021 Audi A5 with the 2.0 petrol engine is typically advertised at £19,800: the median of the 130 for sale on AskCar, as of 7 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A5 has been on sale for at least 79 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: 92 of the 174 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 20 August 2026 at £23,998. Its asking price is now £21,998, £2,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 20 August 2026: £23,998
• 28 August 2026: £23,798
• 4 September 2026: £23,498
• 11 September 2026: £23,198
• 18 September 2026: £22,998
• 25 September 2026: £22,698
• 9 October 2026: £22,498
• 16 October 2026: £22,198
• 24 October 2026: £21,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 7 June 2027.

It has had 3 MOTs. The latest, on 22 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 19,443 miles, which matches the advertised 21,667 miles.

Advertised mileage is about 27,500 miles lower than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

20 other 2021 Audi A5 S Line 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,600 to £25,595, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 petrol hatchback, blue. Mileage: 23,411 miles. Price: £25,595, £3,597 more than this car. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a5-2021-919cdf9e9146
• 2021 Audi A5 S Line, 2.0 petrol hatchback, white. Mileage: 24,480 miles. Price: £22,500, £502 more than this car. Dealer: Invicta Chery Warrington in Warrington. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9cbe07c6e6f9
• 2021 Audi A5 S Line, 2.0 petrol hatchback, white. Mileage: 24,526 miles. Price: £22,099, £101 more than this car. Dealer: Motorpoint Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a5-2021-28cb1b6d1f19

• The nearest: 2021 Audi A5 S Line, 2.0 petrol hatchback, blue, under a mile from this car. Mileage: 58,975 miles. Price: £19,500, £2,498 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a5-2021-20228cd8d721