2017 Audi A6 Avant 3.0 S Line

Price: £14,995. Fair price: £562 (3%) under the AskCar estimate of £15,557, 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: 82,000 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 268 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 138 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Audi A6 Avant S Line has covered 82,000 miles. The AskCar estimate for this car is £15,557. It is priced at £14,995, which is £562 below that estimate. The AskCar estimate draws on 778 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 17 days ago. Its asking price has since fallen by £2,000. It is for sale at EX Police Car Specialists in Manchester. 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: £562 (3%) under the AskCar estimate of £15,557.

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

This 2017 Audi A6 Avant has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £16,995. Its asking price is now £14,995, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 16 October 2026: £16,995
  • 31 October 2026: £14,995

Mileage and MOT

Advertised mileage is about 500 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 £12,790 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, blue. Mileage: 97,400 miles. Price: £12,790, £2,205 less than this car. Dealer: Group 1 Assured Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-39f154686bfe
  • 2017 Audi A6 Avant S Line, 3.0 diesel estate, black. Mileage: 64,000 miles. Price: £17,988, £2,993 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

3 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.