2020 Audi A5 2.0 TDI S Line

Price: £18,199. Fair price: £36 (under 1%) over the AskCar estimate of £18,163, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,865 priced Audi A5 adverts on AskCar as of 4 November 2026.

AskCar lists 1,911 used Audi A5 from 1,079 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A5
  • Trim: S Line
  • Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr
  • Year: 2020
  • Mileage: 55,082 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 144 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A5 S Line is advertised with 55,082 miles on the clock. The dealer is asking £18,199, which is £36 above the AskCar estimate of £18,163. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. The government's MOT record matches its advertised mileage. It is advertised by cinch Bellevue in Hart. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £36 (under 1%) over the AskCar estimate of £18,163.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A5 with the 2.0 diesel engine is typically advertised at £18,000: the median of the 99 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 Audi A5 advertised 1 day ago. About half of 2020 Audi A5 cars are gone from sale within a month of being advertised: 73 of the 159 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £18,199. 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 4 November 2026: valid until 13 October 2027.

It has had 4 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,060 miles, which matches the advertised 55,082 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2020 Audi A5 on AskCar.

Similar cars

25 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 54,568 miles. Price: £18,366, £167 more than this car. Dealer: Vertu Mercedes Ascot in Ascot. AskCar page: https://askcar.co.uk/car/audi-a5-2020-64ee7ba90b9d
  • 2020 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 53,260 miles. Price: £17,990, £209 less than this car. Dealer: Premium Vehicles in Aldershot. AskCar page: https://askcar.co.uk/car/audi-a5-2020-9554530caf17
  • 2020 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 57,941 miles. Price: £16,850, £1,349 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a5-2020-05b0db61c024

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

More like this

Photos

33 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.