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: 29,738 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 29,738 miles on the clock. Priced at £21,798, it is advertised £514 above the AskCar estimate of £21,284. The AskCar estimate draws on 1,428 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Stoke-on-Trent Motorstore, based in Stoke. 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: £514 (2%) over the AskCar estimate of £21,284.

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

AskCar first saw this 2023 Audi A4 advertised 3 days ago. About half of 2023 Audi A4 cars are gone from sale within a month of being advertised: 123 of the 240 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £21,798. 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 2 November 2026: valid until 29 September 2027.

It has had one MOT, on 30 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 29,548 miles, which matches the advertised 29,738 miles.

Advertised mileage is about 1,000 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, grey. Mileage: 29,816 miles. Price: £21,498, £300 less than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a4-2023-57c6993266b2
• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 29,608 miles. Price: £21,498, £300 less than this car. Dealer: Arnold Clark Workington Motorstore / GWM in Workington. AskCar page: https://askcar.co.uk/car/audi-a4-2023-df993b79118e
• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 30,022 miles. Price: £21,298, £500 less than this car. Dealer: Arnold Clark Warrington Motorstore / Vanstore (Westbrook) in Warrington. AskCar page: https://askcar.co.uk/car/audi-a4-2023-531fa59d13b2

• The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, grey, under a mile from this car. Mileage: 36,569 miles. Price: £20,798, £1,000 less than this car. Dealer: Arnold Clark Stoke-on-Trent Motorstore in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a4-2023-26e6bd4fb9a1