2023 Audi A4 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)
• Year: 2023
• Mileage: 38,971 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 38,971 miles, this 2023 Audi A4 S Line has covered about 10,600 more miles than other 2023 Audi A4 cars. Priced at £19,734, it is advertised £531 below the AskCar estimate of £20,265. To work out the AskCar estimate, we analyse UK dealer adverts for 1,427 Audi A4 cars across different ages and specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £1,611. The government's MOT record matches its advertised mileage. You can find this car at Prestige Cars Kent in Orpington. 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: £531 (2%) under the AskCar estimate of £20,265.

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 diesel engine is typically advertised at £20,800: the median of the 219 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A4 has been on sale for at least 56 days.

Price history

AskCar first saw this advert on 9 September 2026 at £21,345. Its asking price is now £19,734, £1,611 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 9 September 2026: £21,345
• 17 September 2026: £21,088
• 19 September 2026: £20,983
• 22 September 2026: £20,767
• 26 September 2026: £20,657
• 1 October 2026: £20,600
• 3 October 2026: £20,494
• 10 October 2026: £20,332
• 20 October 2026: £20,229
• 29 October 2026: £20,133
• 31 October 2026: £19,850
• 3 November 2026: £19,734

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 September 2027.

It has had one MOT, on 16 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 38,978 miles, which matches the advertised 38,971 miles.

Advertised mileage is about 10,600 miles higher than the median mileage of a 2023 Audi A4 on AskCar.

Similar cars

18 other 2023 Audi A4 S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £19,355 to £31,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 35,636 miles. Price: £19,723, the same price as this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a4-2023-0d95dbfeb478
• 2023 Audi A4 S Line, 2.0 diesel saloon, white. Mileage: 35,626 miles. Price: £21,999, £2,265 more than this car. Dealer: Days Motorpark in Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2023-e86ece71c515
• 2023 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 42,529 miles. Price: £19,633, £101 less than this car. Dealer: Oakwood Motor Company in Bury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-5b1bcfe562c2

• The nearest: 2023 Audi A4 S Line, 2.0 diesel saloon, grey, under a mile from this car. Mileage: 43,242 miles. Price: £19,355, £379 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-a4-2023-5126f2482c24