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: 66,658 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Audi A6 Avant S Line has covered 66,658 miles, around 12,800 fewer miles than is typical for its age. The AskCar estimate for this car is £19,209. It is priced at £19,495, which is £286 above that estimate. The AskCar estimate uses 778 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 22 days ago. The government's MOT record matches its advertised mileage. You can find this car at Blackline Motors in Oldham. 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: £286 (1%) over the AskCar estimate of £19,209.

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 22 days.

Price history

AskCar first saw this advert on 11 October 2026 at £19,495. 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 29 May 2027.

It has had 6 MOTs. The latest, on 28 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 65,603 miles, which matches the advertised 66,658 miles.

Advertised mileage is about 12,800 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, black. Mileage: 67,000 miles. Price: £18,990, £505 less than this car. Dealer: Corne Motors in Oxford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-7bd40df194a9
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, blue. Mileage: 67,000 miles. Price: £19,950, £455 more than this car. Dealer: Prestige Marques in Ballynahinch. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-8805f6a859ae
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 68,229 miles. Price: £16,699, £2,796 less than this car. Dealer: cinch in Newbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-ba357bdba79b

• The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, white, under a mile from this car. Mileage: 94,700 miles. Price: £15,495, £4,000 less than this car. Dealer: Pavilion Motor Company in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-170c569a670a