2023 Audi A4 2.0 TFSI S Line

Price: £23,873. Fair price: £258 (1%) under the AskCar estimate of £24,131, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,427 priced Audi A4 adverts on AskCar as of 4 November 2026.

AskCar lists 1,488 used Audi A4 from 972 UK dealerships, as of 4 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: 5,431 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

This 2023 Audi A4 S Line is advertised with 5,431 miles on the clock. Its asking price of £23,873 is £258 below the AskCar estimate of £24,131. The AskCar estimate uses 1,427 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The advertised mileage is lower than the latest MOT reading of 22,851 miles. Ask the dealer to explain. Its recorded MOT is valid until 24 April 2027. The seller is Vindis Group Northampton Audi, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £258 (1%) under the AskCar estimate of £24,131.

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 1,427 priced Audi A4 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A4 with the 2.0 petrol engine is typically advertised at £20,800: the median of the 219 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Audi A4 advertised today. About half of 2023 Audi A4 cars are gone from sale within a month of being advertised: 130 of the 258 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £23,873. 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 4 November 2026: valid until 24 April 2027.

It has had one MOT, on 31 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,851 miles. The advert says 5,431 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 22,900 miles lower than the median mileage of a 2023 Audi A4 on AskCar.

Similar cars

87 other 2023 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,296 to £22,999, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A4 S Line, 2.0 petrol saloon. Mileage: 1 miles. Price: £19,698, £4,175 less than this car. Dealer: Arnold Clark in Available at Motorstore branches. AskCar page: https://askcar.co.uk/car/audi-a4-2023-65b91c93e4d8
  • 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 11,456 miles. Price: £22,999, £874 less than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a4-2023-2edc988f350b
  • 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 14,182 miles. Price: £20,599, £3,274 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-2023-8acf39c5d958
  • The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, white, 29 miles from this car. Mileage: 14,660 miles. Price: £20,495, £3,378 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/audi-a4-2023-f1958439f7b3

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

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As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.