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: 81,243 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 81,243 miles. Priced at £19,700, it is advertised £214 below the AskCar estimate of £19,914. To work out the AskCar estimate, we analyse UK dealer adverts for 778 Audi A6 Avant cars across different ages and specifications. We first recorded this car for sale 10 days ago. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Barnet in New Southgate. 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: £214 (1%) under the AskCar estimate of £19,914.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £19,700. 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 2 November 2026: valid until 6 October 2027.

It has had 6 MOTs. The latest, on 7 October 2026, passed.

Advisories at the latest test: nearside rear tyre on 3mm 255/40/20; offside rear tyre on 3mm 255/40/20.

Mileage at that test: 81,234 miles, which matches the advertised 81,243 miles.

Advertised mileage is about 1,700 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 £20,450 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, grey. Mileage: 81,638 miles. Price: £20,995, £1,295 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, red. Mileage: 75,000 miles. Price: £20,999, £1,299 more than 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, £1,295 more than 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, 12 miles from this car. Mileage: 51,550 miles. Price: £20,450, £750 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-4c75ccb1eb93