2021 Audi A4 Avant

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

£18,999

Fair price: within 8% of the typical £20,649 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: 42,392 miles
Year: 2021
Fuel type: Diesel Hybrid
Body type: Estate
Engine: 2.0 L
Gearbox: Automatic
Power: 160 bhp
Seats: 5
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

At 42,392 miles, this 2021 Audi A4 Avant S Line has covered about 13,400 fewer miles than other 2021 Audi A4 Avant cars. The dealer is asking £18,999, which is £1,650 below our market estimate of £20,649. To estimate its market asking price, we analyse UK dealer adverts for 1,194 Audi A4 Avant cars across different ages and specifications. We first recorded this advert 27 days ago, and its asking price has since fallen by £1,400. The seller is Motorpoint Peterborough, based in Peterborough.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 27 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,400 from the first recorded £20,399. 4 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£20,399
29 September 2026	£19,549
6 October 2026	£19,449
13 October 2026	£19,199
20 October 2026	£18,999
21 October 2026	£18,999

Price and mileage comparison

Estimated market asking price: £20,649. The asking price is £1,650 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 13,400 miles lower than typical for a 2021 Audi A4 Avant.

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 price	Mileage
£8,999	179,190 miles
£13,898	108,000 miles
£13,995	108,000 miles
£16,495	82,481 miles
£16,995	70,000 miles

These cars have covered 35,650–179,190 miles, compared with 42,392 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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Dealer

Motorpoint Peterborough, Peterborough. Across the dealer network: 22 branches, 6,419 cars for sale.

Dealer postcode: PE1 5NL.

Dealer opening hours

Monday: 10:00-20:00
Tuesday: 10:00-20:00
Wednesday: 10:00-20:00
Thursday: 10:00-20:00
Friday: 10:00-20:00
Saturday: 09:00-18:00
Sunday: 11:00-17:00