2018 Audi A6 Avant

2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr (187 bhp)

£14,990

Fair price: within 8% of the typical £15,980 for this model, age and mileage, drawing on 775 adverts of this make and model.

Overview

Make
Audi
Model
A6 Avant
Trim
S LINE
Version
2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
Mileage
67,000 miles
Year
2018
Fuel type
Diesel
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
115 g/km
Colour
Blue
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI; ultra
Emissions standard
Euro 6

About this car

This 2018 Audi A6 Avant S Line is advertised with 67,000 miles, approximately 16,600 below the typical mileage for its age. At £14,990, it is advertised £990 below our estimated market asking price of £15,980. The estimate uses 775 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 19 days. MOT records show an expiry date of 14 July 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Six Ways Car Sales in Llanelli.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 October 2026, 19 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
4 October 2026£14,990
22 October 2026£14,990

Price and mileage comparison

Estimated market asking price: £15,980. The asking price is £990 below 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,600 miles lower than typical for a 2018 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 July 2027. 66,720 miles at the last test.

17 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 67,000 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