2020 Audi A4 Avant 2.0 TDI S Line

Version: 2.0 TDI 30 S Line S tronic FWD Euro 6 (s/s) 5dr (134 bhp)

Price: £13,987. Fair price: £100 (under 1%) under the AskCar estimate of £14,087, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,204 priced Audi A4 Avant adverts on AskCar as of 30 October 2026.

AskCar lists 1,243 used Audi A4 Avant from 825 UK dealerships, as of 30 October 2026.

Overview

Make
Audi
Model
A4 Avant
Trim
S Line
Version
2.0 TDI 30 S Line S tronic FWD Euro 6 (s/s) 5dr (134 bhp)
Mileage
87,475 miles
Year
2020
Fuel type
Diesel
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
134 bhp
Seats
5
CO2
113 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

This 2020 Audi A4 Avant S Line is advertised with 87,475 miles, approximately 22,500 above the typical mileage for its age. The AskCar estimate for this car is £14,087. It is priced at £13,987, which is £100 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,204 Audi A4 Avant adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its recorded MOT is valid until 9 February 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Corus Automotives in Retford.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£13,987

Price and mileage comparison

Fair price: £100 (under 1%) under the AskCar estimate of £14,087.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,204 priced Audi A4 Avant adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 22,500 miles higher than the median mileage of a 2020 Audi A4 Avant on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 9 February 2027. 77,221 miles at the last test.

Other matching cars

8 other 2020 Audi A4 Avant S Line automatic diesel cars are for sale at UK dealers from £11,250 to £17,990, as of 30 October 2026.

The 5 cheapest:

The 8 matching cars have covered 48,943 to 124,000 miles, compared with 87,475 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A4 Avant cars for sale · 2020 Audi A4 Avant price guide

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Photos

7 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.