2019 Audi A6 Avant 3.0 TDI V6 S Line

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: 71,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Audi A6 Avant S Line is advertised with 71,000 miles, approximately 8,500 below the typical mileage for its age. Priced at £20,995, it is advertised £484 below the AskCar estimate of £21,479. The AskCar estimate draws on 778 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 108 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cars of Conwy, based in Conwy. 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: £484 (2%) under the AskCar estimate of £21,479.

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 108 days.

Price history

AskCar first saw this advert on 17 July 2026 at £22,995. Its asking price is now £20,995, £2,000 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 17 July 2026: £22,995
• 20 August 2026: £21,995
• 25 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 9 February 2027.

It has had 6 MOTs. The latest, on 14 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,608 miles, which matches the advertised 71,000 miles.

Advertised mileage is about 8,500 miles lower 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: 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
• 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, 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