2021 Audi A4

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

£15,498

Fair price: within 8% of the typical £15,722 for this model, age and mileage, drawing on 1,439 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
69,960 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
White
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

At 69,960 miles, this 2021 Audi A4 S Line has covered about 20,000 more miles than other 2021 Audi A4 cars. Our estimated market asking price is £15,722. This car is advertised at £15,498, which is £224 below that figure. Our estimate draws on 1,439 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £500 lower than when we first recorded the advert 22 days ago. Its recorded MOT is valid until 20 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Arnold Clark Cumbernauld Kia, based in Cumbernauld.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 22 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £500 from the first recorded £15,998. 1 price reduction recorded, the latest observed on 11 October 2026.

Recorded asking prices
Date observedAsking price
30 September 2026£15,998
11 October 2026£15,498
21 October 2026£15,498

Price and mileage comparison

Estimated market asking price: £15,722. The asking price is £224 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 1,439 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 20,000 miles higher than typical for a 2021 Audi A4.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 20 September 2027. 69,965 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
£15,01270,339 miles
£15,75078,000 miles
£16,45088,508 miles
£16,69362,800 miles

These cars have covered 20,800–101,094 miles, compared with 69,960 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos