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: 30,518 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: Grey
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 30,518 miles, this 2023 Audi A4 S Line has covered about 2,100 more miles than other 2023 Audi A4 cars. Priced at £20,998, it is advertised £131 below the AskCar estimate of £21,129. The AskCar estimate draws on 1,427 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Dunfermline Fiat, based in Dunfermline. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £131 (under 1%) under the AskCar estimate of £21,129.

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 1,427 priced Audi A4 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A4 with the 2.0 petrol engine is typically advertised at £20,800: the median of the 219 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Audi A4 advertised 1 day ago. About half of 2023 Audi A4 cars are gone from sale within a month of being advertised: 130 of the 258 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £20,998. 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 4 November 2026: valid until 29 November 2027.

It has had one MOT, on 2 November 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,635 miles, which matches the advertised 30,518 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2023 Audi A4 on AskCar.

Similar cars

87 other 2023 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,296 to £23,873, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 30,464 miles. Price: £20,998, the same price as 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, grey. Mileage: 30,284 miles. Price: £20,498, £500 less than this car. Dealer: Arnold Clark Stoke-on-Trent Vauxhall / Peugeot / Vanstore in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a4-2023-beb8d34eecfd
• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 30,760 miles. Price: £20,998, the same price as this car. Dealer: Arnold Clark Burton upon Trent Motorstore in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a4-2023-d103048efe77

• The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, grey, 12 miles from this car. Mileage: 28,122 miles. Price: £21,498, £500 more than this car. Dealer: Arnold Clark Kirkcaldy Peugeot / Mazda in Kirkcaldy. AskCar page: https://askcar.co.uk/car/audi-a4-2023-cb53c600443f