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: 77,000 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

The advertised mileage for this 2019 Audi A6 Avant S Line is 77,000 miles. Its asking price of £18,995 is £1,278 above the AskCar estimate of £17,717. The AskCar estimate draws on 774 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 110 days ago. Its asking price has since fallen by £1,000. 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 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,278 (7%) over the AskCar estimate of £17,717.

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 110 days.

Price history

AskCar first saw this advert on 17 July 2026 at £19,995. Its asking price is now £18,995, £1,000 less. The latest price cut was seen on 20 August 2026.

Price changes recorded:

• 17 July 2026: £19,995
• 20 August 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 4 June 2027.

It has had 5 MOTs. The latest, on 5 June 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 77,487 miles, which matches the advertised 77,000 miles.

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, grey. Mileage: 76,000 miles. Price: £15,950, £3,045 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-18d7ab2a534d
• 2019 Audi A6 Avant S Line, 2.0 diesel estate, white. Mileage: 75,324 miles. Price: £17,495, £1,500 less 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, black. Mileage: 79,500 miles. Price: £20,495, £1,500 more than this car. Dealer: Sam Performance in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-e9c5c10f8a15

• The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey, 46 miles from this car. Mileage: 73,366 miles. Price: £16,520, £2,475 less than this car. Dealer: Evans Halshaw Ford Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-06b3f85dc6a1