2018 Audi A6 Avant

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

£9,950

Fair price: within 8% of the typical £10,606 for this model, age and mileage, drawing on 780 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
124,000 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
Grey
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 124,000 miles, approximately 40,400 above the typical mileage for its age. Our estimated market asking price is £10,606. This car is advertised at £9,950, which is £656 below that figure. The estimate uses 780 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 11 days ago. MOT records show an expiry date of 22 January 2027, and the latest recorded mileage is consistent with the advert. The seller is Windmill Motors, based in Bourne.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 11 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
9 October 2026£9,950
19 October 2026£9,950

Price and mileage comparison

Estimated market asking price: £10,606. The asking price is £656 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 40,400 miles higher than typical for a 2018 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 January 2027. 112,043 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £10,995 to £23,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£10,995108,000 miles
£12,995148,000 miles
£13,19077,177 miles
£13,49492,000 miles
£13,995121,177 miles

These cars have covered 46,000–148,000 miles, compared with 124,000 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

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Dealer

Windmill Motors, Bourne. Across the dealer network: 162 cars for sale.

Dealer postcode: PE10 0SP.

Dealer opening hours

Monday
09:00-17:00
Tuesday
09:00-17:00
Wednesday
09:00-17:00
Thursday
09:00-17:00
Friday
09:00-17:00
Saturday
09:00-16:00
Sunday
10:00-16:00

Vehicle photos