2021 Audi A4 Avant

2.0 TDI S Line S tronic FWD Euro 6 5dr (160 bhp)

£17,995

Fair price: within 8% of the typical £19,210 for this model, age and mileage, drawing on 1,194 adverts of this make and model.

Overview

Make
Audi
Model
A4 Avant
Trim
S LINE
Version
2.0 TDI S Line S tronic FWD Euro 6 5dr (160 bhp)
Mileage
54,820 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
160 bhp
Seats
5
CO2
142 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

The advertised mileage for this 2021 Audi A4 Avant S Line is 54,820 miles. Our estimated market asking price is £19,210. This car is advertised at £17,995, which is £1,215 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 1,194 Audi A4 Avant cars across different ages and specifications. It first appeared in our advert records 55 days ago. Its recorded MOT is valid until 28 January 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by P W Millar Ford in Barry.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 August 2026, 55 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
29 August 2026£17,995
21 October 2026£17,995

Price and mileage comparison

Estimated market asking price: £19,210. The asking price is £1,215 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 1,194 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,000 miles lower than typical for a 2021 Audi A4 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 January 2027. 53,684 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £8,999 to £22,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£8,999179,190 miles
£13,898108,000 miles
£13,995108,000 miles
£16,49582,481 miles
£16,99570,000 miles

These cars have covered 35,650–179,190 miles, compared with 54,820 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 A4 Avant cars for sale · 2021 Audi A4 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