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: 82,890 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 82,890 miles on the clock, this 2019 Audi A6 Avant S Line has done roughly 5,900 more miles than a typical 2019 Audi A6 Avant. Priced at £18,990, it is advertised £2,028 above the AskCar estimate of £16,962. The AskCar estimate uses 774 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 107 days ago. Its asking price has since fallen by £1,000. Our records show an MOT expiry date of 14 September 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is Quattro Tech Cars, based in St Ives. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,028 (11%) over the AskCar estimate of £16,962.

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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2019 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £17,000: the median of the 97 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2019 Audi A6 Avant has been on sale for at least 107 days.

Price history

AskCar first saw this advert on 20 July 2026 at £19,990. Its asking price is now £18,990, £1,000 less. The latest price cut was seen on 29 September 2026.

Price changes recorded:

• 21 July 2026: £19,990
• 15 September 2026: £19,490
• 29 September 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 14 September 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 15 September 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened both sides; rear brake disc worn, pitted or scored, but not seriously weakened both sides; front brake pad(s) wearing thin both sides; and 1 more.

Mileage at that test: 65,090 miles, which matches the advertised 82,890 miles.

Advertised mileage is about 5,900 miles higher than the median mileage of a 2019 Audi A6 Avant on AskCar.

Similar cars

60 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 4 November 2026.

The 3 closest to this car in mileage:

• 2019 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 82,000 miles. Price: £17,500, £1,490 less than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-2b66ad6ed41a
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 84,000 miles. Price: £15,995, £2,995 less than this car. Dealer: A. Lamb Autos @ The Racecourse in Chepstow. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-5d009640e43c
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, white. Mileage: 84,000 miles. Price: £16,479, £2,511 less than this car. Dealer: Autopoint in Helensburgh. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-ffa2e8b835c1

• The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey, 15 miles from this car. Mileage: 80,000 miles. Price: £17,488, £1,502 less than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-a234474cd6bb