2018 Audi A6 Avant 1.8 TFSI SE Executive

Overview

• Make: Audi
• Model: A6 Avant
• Trim: SE Executive
• Version: 1.8 TFSI SE Executive S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 69,000 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.8 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Audi A6 Avant SE Executive is 69,000 miles. Its asking price of £12,995 is £404 below the AskCar estimate of £13,399. To work out the AskCar estimate, we analyse UK dealer adverts for 789 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records 7 days ago. The latest MOT recorded 74,570 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 25 February 2027. It is advertised by Saline Motors in Comrie. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £404 (3%) under the AskCar estimate of £13,399.

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 789 priced Audi A6 Avant adverts across different ages and specifications, as of 7 November 2026.

A 2018 Audi A6 Avant with the 1.8 petrol engine is typically advertised at £14,100: the median of the 10 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Audi A6 Avant has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 31 October 2026 at £12,995. 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 7 November 2026: valid until 25 February 2027.

It failed its MOT on 26 February 2026 (offside rear brake pad(s) less than 1.5 mm thick; nearside rear brake pad(s) less than 1.5 mm thick; nearside rear brake disc significantly and obviously worn; and 1 more) and passed later the same day.

Advisories at the latest test: offside front service brake fluctuating, but not excessively; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 74,570 miles. The advert says 69,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 14,700 miles lower than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

2 other 2018 Audi A6 Avant SE Executive 1.8 petrol automatic estates are for sale at UK dealers, from £10,990 to £14,213, as of 7 November 2026.

The 2 closest to this car in mileage:

• 2018 Audi A6 Avant SE Executive, 1.8 petrol estate, blue. Mileage: 49,586 miles. Price: £14,213, £1,218 more than this car. Dealer: JCT600 Approved South Leeds in Batley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-0a04cb0800ce
• 2018 Audi A6 Avant SE Executive, 1.8 petrol estate, blue. Mileage: 103,000 miles. Price: £10,990, £2,005 less than this car. Dealer: Sunniside Car Sales in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-4b969c3dbad0