2021 Audi A4

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

£16,998

Fair price: within 8% of the typical £17,314 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
56,589 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
Grey
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

This 2021 Audi A4 S Line has covered 56,589 miles, around 6,400 more than typical for its age. The dealer is asking £16,998, which is £316 below our market estimate of £17,314. Our estimate draws on 1,429 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 137 days ago. Its asking price has since fallen by £1,800. The recorded MOT expired on 15 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Used Car Sales Direct Exeter Direct, based in Exeter.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 5 June 2026, 137 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,800 from the first recorded £18,798. 4 price reductions recorded, the latest observed on 24 September 2026.

Recorded asking prices
Date observedAsking price
6 June 2026£18,798
19 July 2026£18,498
20 July 2026£17,798
10 September 2026£17,398
24 September 2026£16,998
19 October 2026£16,998

Price and mileage comparison

Estimated market asking price: £17,314. The asking price is £316 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 6,400 miles higher than typical for a 2021 Audi A4.

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 valid until 15 September 2026. 47,018 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 56,589 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

Used Car Sales Direct Exeter Direct, Exeter. Across the dealer network: 3 branches, 70 cars for sale.

Dealer postcode: EX2 8RG.

Vehicle photos