2020 Audi A5 2.0 TDI S Line

Price: £20,499. Fair price: £1,128 (5%) under the AskCar estimate of £21,627, 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 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
  • Year: 2020
  • Mileage: 31,670 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: White
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,670 miles on the clock, this 2020 Audi A5 S Line has done roughly 22,900 fewer miles than a typical 2020 Audi A5. Its asking price of £20,499 is £1,128 below the AskCar estimate of £21,627. 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 74 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is H.P.L. Motors - Oldham (Greater Manchester), based in Oldham. 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: £1,128 (5%) under the AskCar estimate of £21,627.

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 2020 Audi A5 with the 2.0 diesel engine is typically advertised at £18,000: the median of the 94 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A5 has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 20 August 2026 at £21,499. Its asking price is now £20,499, £1,000 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

  • 20 August 2026: £21,499
  • 7 October 2026: £20,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 August 2027.

It has had 5 MOTs. The latest, on 4 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,254 miles, which matches the advertised 31,670 miles.

Advertised mileage is about 22,900 miles lower than the median mileage of a 2020 Audi A5 on AskCar.

Similar cars

21 other 2020 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,999 to £21,993, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 27,608 miles. Price: £21,993, £1,494 more than this car. Dealer: Peoples Liverpool Prescot in Prescot. AskCar page: https://askcar.co.uk/car/audi-a5-2020-4bb8f40c0740
  • 2020 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 36,556 miles. Price: £19,850, £649 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2020-70bae107a5c8
  • 2020 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 37,518 miles. Price: £19,498, £1,001 less than this car. Dealer: Arnold Clark West Calder Vauxhall in West Calder. AskCar page: https://askcar.co.uk/car/audi-a5-2020-025510c2aa5e
  • The nearest: 2020 Audi A5 S Line, 2.0 diesel hatchback, black, 6 miles from this car. Mileage: 68,067 miles. Price: £15,995, £4,504 less than this car. Dealer: Billzo Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-a5-2020-22103e59d810

Browse all Audi A5 cars for sale · 2020 Audi A5 price guide

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Photos

28 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.