2021 Audi A4

2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)

£17,699

Fair price: within 8% of the typical £18,502 for this model, age and mileage, drawing on 1,429 adverts of this make and model.

Overview

Make
Audi
Model
A4
Trim
S LINE
Version
2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)
Mileage
44,514 miles
Year
2021
Fuel type
Diesel
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
160 bhp
Seats
5
CO2
137 g/km
Colour
Black
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

With 44,514 miles on the clock, this 2021 Audi A4 S Line has done roughly 5,700 fewer miles than a typical 2021 Audi A4. At £17,699, it is advertised £803 below our estimated market asking price of £18,502. To estimate its market asking price, we analyse UK dealer adverts for 1,429 Audi A4 cars across different ages and specifications. The asking price is now £700 lower than when we first recorded the advert 6 days ago. MOT records show an expiry date of 31 August 2027, and the latest recorded mileage is consistent with the advert. The seller is Motorpoint Birtley, based in Birtley.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 October 2026, 6 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £700 from the first recorded £18,399. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
14 October 2026£18,399
17 October 2026£17,699
19 October 2026£17,699

Price and mileage comparison

Estimated market asking price: £18,502. The asking price is £803 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 1,429 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,700 miles lower than typical for a 2021 Audi A4.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 31 August 2027. 43,551 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £12,995 to £20,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£12,995101,094 miles
£15,49869,960 miles
£15,61470,339 miles
£16,00078,000 miles
£16,45088,508 miles

These cars have covered 20,800–101,094 miles, compared with 44,514 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 cars for sale · 2021 Audi A4 price guide

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Dealer

Motorpoint Birtley, Birtley. Across the dealer network: 22 branches, 5,821 cars for sale.

Dealer postcode: DH3 2BQ.

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

Vehicle photos