2018 Audi A6 Avant 1.8 TFSI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 1.8 TFSI S Line S tronic FWD Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 47,345 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.8 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant S Line is advertised with 47,345 miles, approximately 35,600 below the typical mileage for its age. Priced at £14,450, it is advertised £1,418 below the AskCar estimate of £15,868. The AskCar estimate draws on 778 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 86 days ago, and its asking price has since fallen by £1,300. The recorded MOT expired on 24 June 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Kayan Motors in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £1,418 (8%) under the AskCar estimate of £15,868.

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 778 priced Audi A6 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A6 Avant with the 1.8 petrol engine is typically advertised at £13,900: the median of the 10 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A6 Avant has been on sale for at least 86 days.

Price history

AskCar first saw this advert on 8 August 2026 at £15,750. Its asking price is now £14,450, £1,300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 8 August 2026: £15,750
• 10 August 2026: £14,950
• 31 October 2026: £14,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 24 June 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 27 May 2025, passed.

Advisories at the latest test: offside rear tyre slightly damaged/cracking or perishing; suspension arm pin or bush worn but not resulting in excessive movement both front inner rear suspension arm inner bushes; nearside rear brake pipe corroded, covered in grease or other material outer plastic coating swollen; and 1 more.

Mileage at that test: 43,096 miles, which matches the advertised 47,345 miles.

Advertised mileage is about 35,600 miles lower than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

4 other 2018 Audi A6 Avant S Line 1.8 petrol automatic estates are for sale at UK dealers, from £12,900 to £15,490, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant S Line, 1.8 petrol estate, silver. Mileage: 38,406 miles. Price: £15,490, £1,040 more than this car. Dealer: Highlanders GB in Coventry. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-0aceb85f7424
• 2018 Audi A6 Avant S Line, 1.8 petrol estate, white. Mileage: 61,000 miles. Price: £13,990, £460 less than this car. Dealer: SR Motor Company in Hillington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-79b9a861797a
• 2018 Audi A6 Avant S Line, 1.8 petrol estate, black. Mileage: 69,549 miles. Price: £12,900, £1,550 less than this car. Dealer: Perry Road Autos in Tiptree. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-256288123bf3