2019 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2019
• Mileage: 76,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 76,000 miles on the clock, this 2019 Audi A6 Avant S Line has done roughly 3,500 fewer miles than a typical 2019 Audi A6 Avant. Priced at £15,950, it is advertised £1,979 below the AskCar estimate of £17,929. 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 advert 79 days ago, and its asking price has since fallen by £1,550. Its advertised mileage matches the government's MOT record. You can find this car at Car Planet Watford in Rickmansworth. 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

Good value: £1,979 (11%) under the AskCar estimate of £17,929.

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 2.0 diesel engine is typically advertised at £17,000: the median of the 99 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2019 Audi A6 Avant has been on sale for at least 79 days.

Price history

AskCar first saw this advert on 15 August 2026 at £17,500. Its asking price is now £15,950, £1,550 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 15 August 2026: £17,500
• 2 September 2026: £17,250
• 8 September 2026: £17,100
• 15 September 2026: £16,950
• 22 September 2026: £16,750
• 4 October 2026: £16,450
• 9 October 2026: £16,300
• 16 October 2026: £16,150
• 21 October 2026: £15,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 January 2027.

It failed its MOT on 22 January 2026 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively; offside front drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt) and passed 2 days later, on 24 January 2026.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 73,134 miles, which matches the advertised 76,000 miles.

Advertised mileage is about 3,500 miles lower than the median mileage of a 2019 Audi A6 Avant on AskCar.

Similar cars

59 other 2019 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £11,995 to £20,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2019 Audi A6 Avant S Line, 2.0 diesel estate, white. Mileage: 75,324 miles. Price: £17,495, £1,545 more than this car. Dealer: A & A Auto Sales in Oundle. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-1ac632f56168
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 77,000 miles. Price: £18,995, £3,045 more than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-30bf6511138a
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 74,000 miles. Price: £16,150, £200 more than this car. Dealer: Evans Halshaw Vauxhall Newport in Newport. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-0c12fb6a1bc2

• The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, white, under a mile from this car. Mileage: 58,329 miles. Price: £17,900, £1,950 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-3b9f59b8936a