2023 Audi A4 2.0 TFSI S Line

Price: £20,495. Fair price: £373 (1%) over the AskCar estimate of £20,122, 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 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
  • Year: 2023
  • Mileage: 39,673 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: 155 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A4 S Line is advertised with 39,673 miles, approximately 11,000 above the typical mileage for its age. The AskCar estimate for this car is £20,122. It is priced at £20,495, which is £373 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,428 Audi A4 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 39 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Lowestoft Audi, based in Lowestoft. 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: £373 (1%) over the AskCar estimate of £20,122.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £20,490. Its asking price is now £20,495, £5 more.

Price changes recorded:

  • 24 September 2026: £20,490
  • 6 October 2026: £20,450
  • 14 October 2026: £20,295
  • 20 October 2026: £20,990
  • 29 October 2026: £20,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 15 April 2027.

It failed its MOT on 16 April 2026 (rear service brake excessively fluctuating; offside rear shock absorbers has a serious fluid leak) and passed later the same day.

Advisories at the latest test: undertray fitted; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 36,740 miles, which matches the advertised 39,673 miles.

Advertised mileage is about 11,000 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: 40,103 miles. Price: £17,700, £2,795 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-2023-789c14451bd4
  • 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 38,417 miles. Price: £20,498, the same price as this car. Dealer: Arnold Clark in Telford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-63e45167b6a7
  • 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 38,332 miles. Price: £19,998, £497 less than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/audi-a4-2023-47d53f24c7eb
  • The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, grey, 81 miles from this car. Mileage: 34,918 miles. Price: £21,070, £575 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-a4-2023-d6c9f057aa75

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

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Photos

42 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.