2023 Audi A4 2.0 TFSI S Line

Price: £19,570. Fair price: £761 (3%) under the AskCar estimate of £20,331, 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 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2023
  • Mileage: 29,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 154 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A4 S Line has covered 29,000 miles. Priced at £19,570, it is advertised £761 below the AskCar estimate of £20,331. The AskCar estimate uses 1,428 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 46 days ago. You can find this car at Wembley Prestige Cars in Bushey. 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: £761 (3%) under the AskCar estimate of £20,331.

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 46 days.

Price history

AskCar first saw this advert on 17 September 2026 at £19,340. Its asking price is now £19,570, £230 more.

Price changes recorded:

  • 17 September 2026: £19,340
  • 20 September 2026: £19,570

Mileage and MOT

Advertised mileage is about 300 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: 28,819 miles. Price: £21,198, £1,628 more than this car. Dealer: Arnold Clark Warrington Motorstore / Vanstore (Westbrook) in Warrington. AskCar page: https://askcar.co.uk/car/audi-a4-2023-76a33ab62762
  • 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 28,815 miles. Price: £20,998, £1,428 more 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, blue. Mileage: 29,185 miles. Price: £21,498, £1,928 more than this car. Dealer: Arnold Clark Glasgow Garscube Road Vauxhall / Leapmotor in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a4-2023-e014ecdded4e
  • The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, black, 16 miles from this car. Mileage: 80,600 miles. Price: £14,300, £5,270 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-a4-2023-bf63b86135ef

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

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Photos

33 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.