2019 Audi A6 Avant 3.0 TDI V6 S Line

Price: £20,995. Fair price: £1,139 (5%) over the AskCar estimate of £19,856, our expected asking price for this car from its model, age, mileage and specification, drawing on 778 priced Audi A6 Avant adverts on AskCar as of 2 November 2026.

AskCar lists 793 used Audi A6 Avant from 580 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A6 Avant
  • Trim: S Line
  • Version: 3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2019
  • Mileage: 81,638 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 151 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 81,638 miles on the clock, this 2019 Audi A6 Avant S Line has done roughly 2,100 more miles than a typical 2019 Audi A6 Avant. The AskCar estimate for this car is £19,856. It is priced at £20,995, which is £1,139 above that estimate. The AskCar estimate uses UK dealer asking prices, including 778 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 54 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is Hartlepool Motor Company, based in Hartlepool. 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: £1,139 (5%) over the AskCar estimate of £19,856.

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 778 priced Audi A6 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2019 Audi A6 Avant with the 3.0 diesel engine is typically advertised at £21,100: the median of the 16 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2019 Audi A6 Avant has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 9 September 2026 at £21,995. Its asking price is now £20,995, £1,000 less. The latest price cut was seen on 5 October 2026.

Price changes recorded:

  • 9 September 2026: £21,995
  • 24 September 2026: £21,495
  • 5 October 2026: £20,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 June 2027.

It has had 6 MOTs. The latest, on 24 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 80,859 miles, which matches the advertised 81,638 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2019 Audi A6 Avant on AskCar.

Similar cars

7 other 2019 Audi A6 Avant S Line 3.0 diesel automatic estates are for sale at UK dealers, from £19,700 to £24,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2019 Audi A6 Avant S Line, 3.0 diesel estate, black. Mileage: 81,243 miles. Price: £19,700, £1,295 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-a4c52e2c1ab7
  • 2019 Audi A6 Avant S Line, 3.0 diesel estate, red. Mileage: 75,000 miles. Price: £20,999, the same price as this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-008a98d4fc16
  • 2019 Audi A6 Avant S Line, 3.0 diesel estate, white. Mileage: 71,000 miles. Price: £20,995, the same price as this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-4834de20f8fb
  • The nearest: 2019 Audi A6 Avant S Line, 3.0 diesel estate, black, 91 miles from this car. Mileage: 69,000 miles. Price: £21,750, £755 more than this car. Dealer: Manchester Performance Cars in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-eb7a431d6975

Browse all Audi A6 Avant cars for sale · 2019 Audi A6 Avant price guide

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Photos

41 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.