2018 Audi A6 Avant

Overview

Make

Audi

Model

A6 Avant

Trim

S LINE

Version

2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)

Mileage

46,000 miles

Year

2018

Fuel type

Diesel

Body type

Estate

Engine

2.0 L

Gearbox

Automatic

Power

201 bhp

Seats

5

CO2

124 g/km

Colour

Grey

Doors

5

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TDI

Emissions standard

Euro 6

About this car

This 2018 Audi A6 Avant S Line has covered 46,000 miles, around 37,600 fewer than typical for its age. At £20,299, it is advertised £1,364 below our estimated market asking price of £21,663. To estimate its market asking price, we analyse UK dealer adverts for 780 Audi A6 Avant cars across different ages and specifications. We have tracked this advert for 13 days. Its recorded MOT is valid until 20 November 2026, and its advertised mileage is consistent with the latest MOT reading. You can find this car at AB Car Sales in Gunnislake.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £21,663. The asking price is £1,364 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 780 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 37,600 miles lower than typical for a 2018 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.