2023 Audi A4 2.0 TFSI S Line

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: 29,185 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

The advertised mileage for this 2023 Audi A4 S Line is 29,185 miles. Priced at £21,498, it is advertised £161 above the AskCar estimate of £21,337. 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 advert 27 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow Garscube Road Vauxhall / Leapmotor, based in Glasgow. 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: £161 (under 1%) over the AskCar estimate of £21,337.

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 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £21,998. Its asking price is now £21,498, £500 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 6 October 2026: £21,998
• 17 October 2026: £21,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 September 2027.

It has had one MOT, on 25 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 29,173 miles, which matches the advertised 29,185 miles.

Advertised mileage is about 500 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, black. Mileage: 29,000 miles. Price: £19,570, £1,928 less than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-c64683dd7815
• 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 28,819 miles. Price: £21,198, £300 less 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, £500 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

• The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, black, 2 miles from this car. Mileage: 27,535 miles. Price: £21,998, £500 more than this car. Dealer: Arnold Clark Glasgow Alexandra Parade Hyundai Genesis in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a4-2023-da07e23f76fc