2023 Audi A4 2.0 TFSI S Line

Price: £21,198. Fair price: £174 (under 1%) under the AskCar estimate of £21,372, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.

AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A4
  • Trim: S Line
  • Version: 2.0 40 TFSI 204 S Line S tronic FWD Euro 6 4dr (201 bhp)
  • Year: 2023
  • Mileage: 28,819 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A4 S Line has covered 28,819 miles. Priced at £21,198, it is advertised £174 below the AskCar estimate of £21,372. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. We first recorded this car for sale 20 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Warrington Motorstore / Vanstore (Westbrook), based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £174 (under 1%) under the AskCar estimate of £21,372.

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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A4 with the 2.0 petrol engine is typically advertised at £20,900: the median of the 206 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A4 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £21,198. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 October 2027.

It has had one MOT, on 8 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 28,825 miles, which matches the advertised 28,819 miles.

Advertised mileage is about 100 miles higher than the median mileage of a 2023 Audi A4 on AskCar.

Similar cars

82 other 2023 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,300 to £22,999, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 28,815 miles. Price: £20,998, £200 less than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-c6e031804fa2
  • 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 28,649 miles. Price: £21,498, £300 more than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-36a331f397a2
  • 2023 Audi A4 S Line, 2.0 petrol saloon, black. Mileage: 29,000 miles. Price: £19,570, £1,628 less than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-c64683dd7815
  • The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, black, under a mile from this car. Mileage: 27,081 miles. Price: £21,998, £800 more than this car. Dealer: Arnold Clark Warrington Motorstore / Vanstore (Westbrook) in Warrington. AskCar page: https://askcar.co.uk/car/audi-a4-2023-2239c899e2c9

Browse all Audi A4 cars for sale · 2023 Audi A4 price guide

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Photos

20 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.