2023 Audi A4 2.0 TFSI S Line

Price: £21,998. Fair price: £83 (under 1%) under the AskCar estimate of £22,081, 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: 21,518 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: Blue
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 21,518 miles, this 2023 Audi A4 S Line has covered about 7,200 fewer miles than other 2023 Audi A4 cars. The dealer is asking £21,998, which is £83 below the AskCar estimate of £22,081. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Ayr Vauxhall, based in AYR. 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: £83 (under 1%) under the AskCar estimate of £22,081.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £22,498. Its asking price is now £21,998, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 18 September 2026: £22,498
  • 31 October 2026: £21,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 September 2027.

It has had one MOT, on 10 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,485 miles, which matches the advertised 21,518 miles.

Advertised mileage is about 7,200 miles lower 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, blue. Mileage: 21,339 miles. Price: £20,990, £1,008 less than this car. Dealer: Stratstone Tamworth Audi in Tamworth. AskCar page: https://askcar.co.uk/car/audi-a4-2023-465e6d7afec8
  • 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 21,331 miles. Price: £21,998, the same price as this car. Dealer: Arnold Clark Shrewsbury Motorstore in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-fb3eae0cf6a4
  • 2023 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 22,504 miles. Price: £21,998, the same price as this car. Dealer: Arnold Clark Shrewsbury Motorstore in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-d8a9e7f42002
  • The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, white, under a mile from this car. Mileage: 28,481 miles. Price: £20,998, £1,000 less than this car. Dealer: Arnold Clark Ayr Vauxhall in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a4-2023-6efdc907f145

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.