2021 Audi A4 Avant

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

£20,290

Fair price: within 8% of the typical £20,806 for this model, age and mileage, drawing on 1,206 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
42,000 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
Black
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

This 2021 Audi A4 Avant S Line has covered 42,000 miles, around 15,100 fewer than typical for its age. Our estimated market asking price is £20,806. This car is advertised at £20,290, which is £516 below that figure. The estimate uses 1,206 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 138 days ago. Its asking price has since fallen by £1,200. Our latest MOT record expired on 13 June 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. You can find this car at Stratus in Hook.

Stock data from 26 October 2026.

How we estimate prices and check cars

Price history

First seen on 11 June 2026, 138 days ago. Advert duration calculated on 27 October 2026. Net asking-price reduction: £1,200 from the first recorded £21,490. 3 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observedAsking price
10 July 2026£21,490
28 August 2026£20,990
18 September 2026£20,490
9 October 2026£20,290
26 October 2026£20,290

Price and mileage comparison

Estimated market asking price: £20,806. The asking price is £516 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 1,206 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 15,100 miles lower than typical for a 2021 Audi A4 Avant.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT not valid until 13 June 2026. 34,734 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
£14,495100,767 miles
£16,49582,481 miles

These cars have covered 35,650–179,190 miles, compared with 42,000 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 A4 Avant cars for sale · 2021 Audi A4 Avant price guide

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