2020 Audi A6 Avant

2.0 TDI S Line S tronic 4WD Euro 6 5dr (201 bhp)

£18,995

Fair price: within 8% of the typical £18,998 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: 2.0 TDI S Line S tronic 4WD Euro 6 5dr (201 bhp)
Mileage: 71,629 miles
Year: 2020
Fuel type: Diesel
Body type: Estate
Engine: 2.0 L
Gearbox: Automatic
Power: 201 bhp
Seats: 5
CO2: 161 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: S tronic
Engine badge: TDI
Emissions standard: Euro 6

About this car

With 71,629 miles on the clock, this 2020 Audi A6 Avant S Line has done roughly 3,400 fewer miles than a typical 2020 Audi A6 Avant. Its asking price of £18,995 is £3 below our estimate of £18,998. We use UK dealer asking prices, including 767 Audi A6 Avant listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 54 days ago. The latest MOT record shows an expiry date of 14 April 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Wallace Car Sales in Bolton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 September 2026, 54 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
1 September 2026	£18,995
23 October 2026	£18,995

Price and mileage comparison

Estimated market asking price: £18,998. The asking price is £3 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 767 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,400 miles lower than typical for a 2020 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 April 2027. 66,770 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £14,990 to £23,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,990	100,000 miles
£15,290	108,966 miles
£15,490	98,000 miles
£16,990	Not available
£17,250	75,000 miles

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

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Vehicle photos

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