2018 Audi A6 Avant 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 59,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant S Line has covered 59,000 miles. Priced at £14,850, it is advertised £684 below the AskCar estimate of £15,534. The AskCar estimate uses UK dealer asking prices, including 782 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 18 days ago, the asking price has dropped by £100. The last MOT shows 59,718 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expires on 8 November 2027. It is advertised by Pinnacle Cars in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £684 (4%) under the AskCar estimate of £15,534.

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 782 priced Audi A6 Avant adverts across different ages and specifications, as of 8 November 2026.

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,500: the median of the 49 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 Audi A6 Avant has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £14,950. Its asking price is now £14,850, £100 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 21 October 2026: £14,950
• 29 October 2026: £14,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 8 November 2027.

It has had 7 MOTs. The latest, on 16 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,718 miles. The advert says 59,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 24,600 miles lower than the median mileage of a 2018 Audi A6 Avant on AskCar.