2017 Audi A6 Avant 3.0 S Line

Price: £12,790. Fair price: £1,094 (7%) under the AskCar estimate of £13,884, our expected asking price for this car from its model, age, mileage and specification, drawing on 778 priced Audi A6 Avant adverts on AskCar as of 2 November 2026.

AskCar lists 793 used Audi A6 Avant from 580 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A6 Avant
  • Trim: S Line
  • Version: 3.0 TDI S Line S tronic 4WD Euro 6 5dr (268 bhp)
  • Year: 2017
  • Mileage: 97,400 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 268 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 138 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Audi A6 Avant S Line is advertised with 97,400 miles, approximately 15,900 above the typical mileage for its age. The dealer is asking £12,790, which is £1,094 below the AskCar estimate of £13,884. To work out the AskCar estimate, we analyse UK dealer adverts for 778 Audi A6 Avant cars across different ages and specifications. This car was first seen in our listings data 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Assured Lincoln, based in Lincoln. 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

Fair price: £1,094 (7%) under the AskCar estimate of £13,884.

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 2017 Audi A6 Avant with the 3.0 diesel engine is typically advertised at £16,100: the median of the 10 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2017 Audi A6 Avant advertised 5 days ago. About half of 2017 Audi A6 Avant cars are gone from sale within a month of being advertised: 32 of the 62 first advertised between 14 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £12,790. 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 2 November 2026: valid until 6 May 2027.

It has had 9 MOTs. The latest, on 7 April 2026, passed.

Advisories at the latest test: nearside front lower suspension component pin or bush slightly worn curved arm hydrobush; offside front lower suspension component pin or bush slightly worn curved arm hydrobush.

Mileage at that test: 93,276 miles, which matches the advertised 97,400 miles.

Advertised mileage is about 15,900 miles higher than the median mileage of a 2017 Audi A6 Avant on AskCar.

Similar cars

2 other 2017 Audi A6 Avant S Line 3.0 diesel automatic estates are for sale at UK dealers, from £14,995 to £17,988, as of 2 November 2026.

The 2 closest to this car in mileage:

  • 2017 Audi A6 Avant S Line, 3.0 diesel estate, white. Mileage: 82,000 miles. Price: £14,995, £2,205 more than this car. Dealer: EX Police Car Specialists in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-d140fda708d4
  • 2017 Audi A6 Avant S Line, 3.0 diesel estate, black. Mileage: 64,000 miles. Price: £17,988, £5,198 more than this car. Dealer: UP Prestige in Bridgnorth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-5b302723413f

Browse all Audi A6 Avant cars for sale · 2017 Audi A6 Avant price guide

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Photos

27 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.