2020 Audi A6 Avant

2.0 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr (242 bhp)

£18,845

Fair price: within 8% of the typical £20,343 for this model, age and mileage, drawing on 789 adverts of this make and model.

Overview

Make
Audi
Model
A6 Avant
Trim
S LINE
Version
2.0 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr (242 bhp)
Mileage
70,261 miles
Year
2020
Fuel type
Petrol
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
242 bhp
Seats
5
CO2
154 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2020 Audi A6 Avant S Line has covered 70,261 miles, around 3,500 fewer than typical for its age. Its asking price of £18,845 is £1,498 below our estimate of £20,343. The estimate uses 789 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 9 days. Its recorded MOT is valid until 15 February 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Carsa Cannock in Cannock Chase.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 October 2026, 9 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
14 October 2026£18,673
16 October 2026£18,824
18 October 2026£18,845
21 October 2026£18,845

Price and mileage comparison

Estimated market asking price: £20,343. The asking price is £1,498 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 789 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,500 miles lower than typical for a 2020 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 15 February 2027. 62,864 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £18,750 to £18,750.

Other matching cars
Asking priceMileage
£18,75078,000 miles

These cars have covered 78,000 miles, compared with 70,261 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 · 2020 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