2018 Audi A6 Saloon 1.8 TFSI S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 1.8 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 53,929 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.8 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Saloon S Line is advertised with 53,929 miles, approximately 13,800 below the typical mileage for its age. The dealer is asking £13,495, which is £1,342 below the AskCar estimate of £14,837. To work out the AskCar estimate, we analyse UK dealer adverts for 875 Audi A6 Saloon cars across different ages and specifications. This car was first seen in our listings data today. The government's MOT record matches its advertised mileage. It is advertised by Stoneacre in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,342 (9%) under the AskCar estimate of £14,837.

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 875 priced Audi A6 Saloon adverts across different ages and specifications, as of 6 November 2026.

A 2018 Audi A6 Saloon with the 1.8 petrol engine is typically advertised at £13,500: the median of the 13 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 Audi A6 Saloon advertised today. About 4 in 10 of 2018 Audi A6 Saloon cars are gone from sale within a month of being advertised: 33 of the 82 first advertised between 12 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £13,495. 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 6 November 2026: valid until 16 June 2027.

It has had 10 MOTs. The latest, on 6 June 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; offside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 51,618 miles, which matches the advertised 53,929 miles.

Advertised mileage is about 13,800 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

2 other 2018 Audi A6 Saloon S Line 1.8 petrol automatic saloons are for sale at UK dealers, from £11,995 to £13,998, as of 6 November 2026.

The 2 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 1.8 petrol saloon, grey. Mileage: 67,289 miles. Price: £13,998, £503 more than this car. Dealer: Arnold Clark Peterhead MG in Peterhead. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-ece1cab3c2ac
• 2018 Audi A6 Saloon S Line, 1.8 petrol saloon, black. Mileage: 78,092 miles. Price: £11,995, £1,500 less than this car. Dealer: RLG Motor Group in Leek. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-727d6ac3b6e9