2021 Audi A5 2.0 TDI S Line

Price: £18,490. Fair price: £1,389 (6%) under the AskCar estimate of £19,879, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,830 priced Audi A5 adverts on AskCar as of 2 November 2026.

AskCar lists 1,887 used Audi A5 from 1,070 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A5
  • Trim: S Line
  • Version: 2.0 TDI S Line S tronic FWD Euro 6 2dr (160 bhp)
  • Year: 2021
  • Mileage: 47,200 miles
  • Fuel: Diesel, mild hybrid
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 160 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,200 miles on the clock, this 2021 Audi A5 S Line has done roughly 3,800 fewer miles than a typical 2021 Audi A5. Its asking price of £18,490 is £1,389 below the AskCar estimate of £19,879. The AskCar estimate uses 1,830 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 24 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Rovia Cars in Waltham Cross. 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: £1,389 (6%) under the AskCar estimate of £19,879.

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 24 days.

Price history

AskCar first saw this advert on 9 October 2026 at £18,790. Its asking price is now £18,490, £300 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

  • 9 October 2026: £18,790
  • 15 October 2026: £18,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 February 2027.

It has had 3 MOTs. The latest, on 17 February 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 43,894 miles, which matches the advertised 47,200 miles.

Advertised mileage is about 3,800 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 £22,299, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 43,176 miles. Price: £18,999, £509 more than this car. Dealer: Bridgend Motor Group in Morley. AskCar page: https://askcar.co.uk/car/audi-a5-2021-38e8e15d10aa
  • 2021 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 41,825 miles. Price: £18,995, £505 more than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a5-2021-3bb30e12bec9
  • 2021 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 40,000 miles. Price: £19,750, £1,260 more than this car. Dealer: Torque Point in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-a5-2021-e6fb768f4a4e

Browse all Audi A5 cars for sale · 2021 Audi A5 price guide

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Photos

40 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.