2023 Audi A4 2.0 TFSI S Line

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: 30,834 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

With 30,834 miles on the clock, this 2023 Audi A4 S Line has done roughly 2,100 more miles than a typical 2023 Audi A4. The dealer is asking £20,459, which is £312 above the AskCar estimate of £20,147. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. We first recorded this advert 44 days ago, and its asking price has since fallen by £400. The government's MOT record matches its advertised mileage. It is for sale at Drift Bridge Walton Audi in Walton-on-Thames. 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: £312 (1%) over the AskCar estimate of £20,147.

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 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £20,859. Its asking price is now £20,459, £400 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

• 19 September 2026: £20,859
• 23 September 2026: £20,759
• 3 October 2026: £20,459

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 April 2027.

It failed its MOT on 7 April 2026 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively; offside rear inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords sidewall) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 28,530 miles, which matches the advertised 30,834 miles.

Advertised mileage is about 2,100 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: 30,760 miles. Price: £20,998, £539 more than this car. Dealer: Arnold Clark Burton upon Trent Motorstore in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a4-2023-d103048efe77
• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 30,464 miles. Price: £21,298, £839 more than this car. Dealer: Arnold Clark Doncaster Motorstore in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a4-2023-f5469c2318cf
• 2023 Audi A4 S Line, 2.0 petrol saloon, green. Mileage: 31,288 miles. Price: £19,995, £464 less than this car. Dealer: Roadside Motors Edwin May Ballymena in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a4-2023-a4f185a8ba30

• The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, white, 16 miles from this car. Mileage: 17,248 miles. Price: £19,790, £669 less than this car. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/audi-a4-2023-4ca1718af030