2018 Audi A6 Avant

3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)

£17,490

Fair price: within 8% of the typical £16,391 for this model, age and mileage, drawing on 767 adverts of this make and model.

Overview

Make
Audi
Model
A6 Avant
Trim
S LINE
Version
3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)
Mileage
105,007 miles
Year
2018
Fuel type
Diesel
Body type
Estate
Engine
3.0 L
Gearbox
Automatic
Power
282 bhp
Seats
5
CO2
151 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
Tiptronic
Engine badge
TDI V6
Emissions standard
Euro 6

About this car

This 2018 Audi A6 Avant S Line has covered 105,007 miles, around 21,400 more than typical for its age. The dealer is asking £17,490, which is £1,099 above our market estimate of £16,391. We use UK dealer asking prices, including 767 Audi A6 Avant listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 130 days ago, the asking price has dropped by £450. It may give you a starting point for a conversation about price. Its recorded MOT is valid until 17 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Group 1 Assured Ipswich, based in Ipswich.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 June 2026, 130 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £450 from the first recorded £17,940. 1 price reduction recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
17 June 2026£17,940
22 October 2026£17,490
23 October 2026£17,490

Price and mileage comparison

Estimated market asking price: £16,391. The asking price is £1,099 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 767 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 21,400 miles higher than typical for a 2018 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 17 March 2027. 100,180 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £9,950 to £23,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£9,950124,000 miles
£10,995108,000 miles
£12,995148,000 miles
£13,11077,177 miles
£13,995121,177 miles

These cars have covered 46,000–148,000 miles, compared with 105,007 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A6 Avant cars for sale · 2018 Audi A6 Avant price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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