2018 Audi A6 Avant 2.0 TDI ultra SE Executive

Overview

• Make: Audi
• Model: A6 Avant
• Trim: SE Executive
• Version: 2.0 TDI ultra SE Executive S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 50,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant SE Executive has covered 50,000 miles. The AskCar estimate for this car is £14,740. It is priced at £15,995, which is £1,255 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. We have tracked this advert for 33 days. The latest MOT recorded 56,389 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 31 March 2027. It is for sale at Southern Prestige Cars in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,255 (8%) over the AskCar estimate of £14,740.

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 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,600: the median of the 48 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Audi A6 Avant has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £15,995. 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 5 November 2026: valid until 31 March 2027.

It has had 7 MOTs. The latest, on 19 March 2026, passed.

Advisories at the latest test: offside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 4 more.

Mileage at that test: 56,389 miles. The advert says 50,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 33,300 miles lower than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

7 other 2018 Audi A6 Avant SE Executive 2.0 diesel automatic estates are for sale at UK dealers, from £8,850 to £10,994, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black. Mileage: 82,758 miles. Price: £9,995, £6,000 less than this car. Dealer: GSG Cars in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-1676d2e7d042
• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black. Mileage: 83,090 miles. Price: £9,490, £6,505 less than this car. Dealer: Zeus Cars in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-468bf3f0850a
• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, blue. Mileage: 83,800 miles. Price: £10,994, £5,001 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-d442f36039b5

• The nearest: 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black, 55 miles from this car. Mileage: 111,175 miles. Price: £9,999, £5,996 less than this car. Dealer: AL Prestige Cars in Southampton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-27654d78f1f4