2021 Audi A5 2.0 TDI S Line

Version: 2.0 TDI S Line S tronic FWD Euro 6 2dr (160 bhp)

Price: £19,299. Fair price: £1,082 (5%) under the AskCar estimate of £20,381, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,838 priced Audi A5 adverts on AskCar as of 30 October 2026.

AskCar lists 1,892 used Audi A5 from 1,067 UK dealerships, as of 30 October 2026.

Overview

Make
Audi
Model
A5
Trim
S Line
Version
2.0 TDI S Line S tronic FWD Euro 6 2dr (160 bhp)
Mileage
43,176 miles
Year
2021
Fuel type
Diesel
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
160 bhp
Seats
4
CO2
133 g/km
Colour
Grey
Doors
2
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 A5 S Line has covered 43,176 miles, around 8,200 fewer miles than is typical for its age. The AskCar estimate for this car is £20,381. It is priced at £19,299, which is £1,082 below that estimate. The AskCar estimate draws on 1,838 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. MOT records show an expiry date of 21 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Bridgend Motor Group, based in Leeds.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£19,299

Price and mileage comparison

Fair price: £1,082 (5%) under the AskCar estimate of £20,381.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,838 priced Audi A5 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 8,200 miles lower than the median mileage of a 2021 Audi A5 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 21 April 2027. 40,674 miles at the last test.

Other matching cars

41 other 2021 Audi A5 S Line automatic diesel cars are for sale at UK dealers from £13,995 to £22,990, as of 30 October 2026.

The 5 cheapest:

The 41 matching cars have covered 17,325 to 111,500 miles, compared with 43,176 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A5 cars for sale · 2021 Audi A5 price guide

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Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.