2023 Audi A5 2.0 TDI S Line

Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)

Price: £25,100. Fair price: £299 (1%) under the AskCar estimate of £25,399, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,861 priced Audi A5 adverts on AskCar as of 29 October 2026.

AskCar lists 1,930 used Audi A5 from 1,089 UK dealerships, as of 29 October 2026.

Overview

Make
Audi
Model
A5
Trim
S Line
Version
2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
Mileage
21,500 miles
Year
2023
Fuel type
Diesel
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
161 bhp
Seats
5
CO2
137 g/km
Colour
Black
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

With 21,500 miles on the clock, this 2023 Audi A5 S Line has done roughly 7,400 fewer miles than a typical 2023 Audi A5. Priced at £25,100, it is advertised £299 below the AskCar estimate of £25,399. The AskCar estimate draws on 1,861 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £1,100. MOT records show an expiry date of 30 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Vindis Group Peterborough Audi, based in Peterborough.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 20 September 2026, 39 days ago. Price reduced by £1,100 from £26,200 since AskCar first saw it. 12 price reductions recorded, the latest seen on 17 October 2026.

Recorded asking prices
Date observedAsking price
20 September 2026£26,200
22 September 2026£25,913
24 September 2026£25,922
26 September 2026£25,946
27 September 2026£26,200
29 September 2026£25,923
30 September 2026£25,919
1 October 2026£25,873
3 October 2026£25,872
4 October 2026£25,771
6 October 2026£25,879
7 October 2026£25,780
8 October 2026£25,865
9 October 2026£25,766
10 October 2026£25,811
11 October 2026£25,712
13 October 2026£25,758
14 October 2026£25,760
15 October 2026£25,704
16 October 2026£25,694
17 October 2026£25,100
29 October 2026£25,100

Price and mileage comparison

Fair price: £299 (1%) under the AskCar estimate of £25,399.

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 1,861 priced Audi A5 adverts across different ages and specifications, as of 29 October 2026.

Advertised mileage is about 7,400 miles lower than the median mileage of a 2023 Audi A5 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 30 May 2027. 21,040 miles at the last test.

Other matching cars

79 other 2023 Audi A5 S Line automatic diesel cars are for sale at UK dealers from £15,990 to £29,900, as of 29 October 2026.

The 5 cheapest:

The 79 matching cars have covered 5,900 to 107,000 miles, compared with 21,500 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 · 2023 Audi A5 price guide

More like this

Photos

32 photos of this car are on its AskCar page.

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

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.