2020 Audi A6 Avant 2.0 TDI Sport

Price: £13,485. Good value: £1,420 (9%) under the AskCar estimate of £14,905, our expected asking price for this car from its model, age, mileage and specification, drawing on 783 priced Audi A6 Avant adverts on AskCar as of 6 November 2026.

AskCar lists 808 used Audi A6 Avant from 592 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: A6 Avant
  • Trim: Sport
  • Version: 2.0 TDI 40 Sport S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
  • Year: 2020
  • Mileage: 86,974 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 123 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A6 Avant Sport has covered 86,974 miles, around 13,500 more miles than is typical for its age. The dealer is asking £13,485, which is £1,420 below the AskCar estimate of £14,905. To work out the AskCar estimate, we analyse UK dealer adverts for 783 Audi A6 Avant cars across different ages and specifications. Since we first spotted the advert 40 days ago, the asking price has dropped by £500. The government's MOT record matches its advertised mileage. You can find this car at IM Car Supermarket in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,420 (9%) under the AskCar estimate of £14,905.

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 783 priced Audi A6 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2020 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £18,500: the median of the 31 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 Audi A6 Avant has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 27 September 2026 at £13,985. Its asking price is now £13,485, £500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 27 September 2026: £13,985
  • 3 November 2026: £13,485

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 3 September 2027.

It failed its MOT on 3 September 2026 (offside front tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 4 September 2026.

Advisories at the latest test: nearside rear shock absorbers has light misting of oil; rear brake disc worn, pitted or scored, but not seriously weakened both sides; front brake disc worn, but not excessively both sides.

Mileage at that test: 87,383 miles, which matches the advertised 86,974 miles.

Advertised mileage is about 13,500 miles higher than the median mileage of a 2020 Audi A6 Avant on AskCar.

Similar cars

4 other 2020 Audi A6 Avant Sport 2.0 diesel automatic estates are for sale at UK dealers, from £14,495 to £16,495, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A6 Avant Sport, 2.0 diesel estate, black. Mileage: 86,000 miles. Price: £15,540, £2,055 more than this car. Dealer: DR Motors in Leicester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-47998241e0a7
  • 2020 Audi A6 Avant Sport, 2.0 diesel estate, grey. Mileage: 77,000 miles. Price: £15,495, £2,010 more than this car. Dealer: Meridian Motor Vehicles in Louth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-66a944864642
  • 2020 Audi A6 Avant Sport, 2.0 diesel estate, white. Mileage: 73,452 miles. Price: £16,495, £3,010 more than this car. Dealer: G H Motors (Mansfield) in Mansfield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-6657a0b1a3c5
  • The nearest: 2020 Audi A6 Avant Sport, 2.0 diesel estate, black, 24 miles from this car. Mileage: 64,143 miles. Price: £14,495, £1,010 more than this car. Dealer: Darin Autos in Enfield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-9eb2f3077ce8

Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide

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Photos

31 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.