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: 122,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 122,000 miles on the clock, this 2018 Audi A6 Avant SE Executive has done roughly 38,700 more miles than a typical 2018 Audi A6 Avant. The dealer is asking £8,850, which is £85 below the AskCar estimate of £8,935. 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 13 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Peak Motors in High Peak. 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

Fair price: £85 (under 1%) under the AskCar estimate of £8,935.

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 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £8,850. 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 21 May 2027.

It failed its MOT on 1 May 2026 (offside front windscreen wiper does not clear the windscreen effectively; nearside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge 3mm; nearside front tyre worn close to legal limit/worn on edge 2mm; nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 118,687 miles, which matches the advertised 122,000 miles.

Advertised mileage is about 38,700 miles higher 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 £9,490 to £15,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, white. Mileage: 119,000 miles. Price: £10,750, £1,900 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-e725299be95e
• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black. Mileage: 111,175 miles. Price: £9,999, £1,149 more than this car. Dealer: AL Prestige Cars in Southampton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-27654d78f1f4
• 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black. Mileage: 97,118 miles. Price: £10,699, £1,849 more than this car. Dealer: North West Car Group in Preston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-e889ea4c792f

• The nearest: 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, blue, 15 miles from this car. Mileage: 83,800 miles. Price: £10,994, £2,144 more than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-d442f36039b5