2023 Audi A4 2.0 TDI S Line
Version: 2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)
Price: £20,998. Fair price: £133 (under 1%) under the AskCar estimate of £21,131, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,413 priced Audi A4 adverts on AskCar as of 31 October 2026.
AskCar lists 1,470 used Audi A4 from 958 UK dealerships, as of 31 October 2026.
Overview
- Make
- Audi
- Model
- A4
- Trim
- S Line
- Version
- 2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)
- Mileage
- 33,006 miles
- Year
- 2023
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 160 bhp
- Seats
- 5
- CO2
- 137 g/km
- Colour
- Blue
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
This 2023 Audi A4 S Line is advertised with 33,006 miles, approximately 4,400 above the typical mileage for its age. Priced at £20,998, it is advertised £133 below the AskCar estimate of £21,131. To work out the AskCar estimate, we analyse UK dealer adverts for 1,413 Audi A4 cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 29 September 2027, and the latest recorded mileage is consistent with the advert. The seller is CarSupermarket.com Barnsley, based in Barnsley.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £20,998 |
Price and mileage comparison
Fair price: £133 (under 1%) under the AskCar estimate of £21,131.
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 1,413 priced Audi A4 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 4,400 miles higher than the median mileage of a 2023 Audi A4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 29 September 2027. 27,528 miles at the last test.
Other matching cars
18 other 2023 Audi A4 S Line automatic diesel cars are for sale at UK dealers from £19,483 to £31,995, as of 31 October 2026.
The 5 cheapest:
- 2023 Audi A4. Price: £19,483. Mileage: 43,242 miles. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-a4-2023-5126f2482c24
- 2023 Audi A4. Price: £19,633. Mileage: 42,529 miles. Dealer: Oakwood Motor Company in Bury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-5b1bcfe562c2
- 2023 Audi A4. Price: £19,850. Mileage: 38,971 miles. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-a4-2023-538abfadcc7d
- 2023 Audi A4. Price: £20,000. Mileage: 35,636 miles. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a4-2023-0d95dbfeb478
- 2023 Audi A4. Price: £20,300. Mileage: 35,261 miles. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a4-2023-07788b475282
The 18 matching cars have covered 9,800 to 43,242 miles, compared with 33,006 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 A4 cars for sale · 2023 Audi A4 price guide
More like this
Photos
26 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 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.