2019 Audi A6 Avant 3.0 TDI V6 S Line

Price: £18,990. Fair price: £184 (under 1%) over the AskCar estimate of £18,806, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 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: 88,307 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 151 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Audi A6 Avant S Line has covered 88,307 miles, around 8,800 more miles than is typical for its age. The AskCar estimate for this car is £18,806. It is priced at £18,990, which is £184 above that estimate. The AskCar estimate uses UK dealer asking prices, including 785 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 78 days ago. Its asking price has since fallen by £300. The government's MOT record matches its advertised mileage. It is advertised by Penistone Motor Group in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £184 (under 1%) over the AskCar estimate of £18,806.

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 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2019 Audi A6 Avant with the 3.0 diesel engine is typically advertised at £21,000: the median of the 18 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2019 Audi A6 Avant has been on sale for at least 78 days.

Price history

AskCar first saw this advert on 19 August 2026 at £19,290. Its asking price is now £18,990, £300 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

  • 19 August 2026: £19,290
  • 3 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 June 2027.

It failed its MOT on 4 June 2026 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm) and passed 7 days later, on 11 June 2026.

Advisories at the latest test: front brake disc worn, but not excessively nearside and offside; rear brake disc worn, but not excessively nearside and offside.

Mileage at that test: 82,960 miles, which matches the advertised 88,307 miles.

Advertised mileage is about 8,800 miles higher than the median mileage of a 2019 Audi A6 Avant on AskCar.

Similar cars

9 other 2019 Audi A6 Avant S Line 3.0 diesel automatic estates are for sale at UK dealers, from £19,700 to £25,192, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2019 Audi A6 Avant S Line, 3.0 diesel estate, grey. Mileage: 81,638 miles. Price: £20,995, £2,005 more than this car. Dealer: Hartlepool Motor Company in Hartlepool. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-7f398144d6fd
  • 2019 Audi A6 Avant S Line, 3.0 diesel estate, black. Mileage: 81,243 miles. Price: £19,700, £710 more 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, £2,009 more than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-008a98d4fc16
  • The nearest: 2019 Audi A6 Avant S Line, 3.0 diesel estate, blue, 5 miles from this car. Mileage: 61,612 miles. Price: £21,399, £2,409 more than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-aecca49e0b83

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

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Photos

64 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.