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: 34,255 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A4 S Line is advertised with 34,255 miles, approximately 5,800 above the typical mileage for its age. Its asking price of £19,745 is £337 above the AskCar estimate of £19,408. The AskCar estimate uses 1,427 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 36 days ago, the asking price has dropped by £1,750. Its advertised mileage matches the government's MOT record. The seller is Swansway Garages Preston Audi, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £337 (1%) over the AskCar estimate of £19,408.

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 5 November 2026.

A 2023 Audi A4 with the 2.0 petrol engine is typically advertised at £20,600: the median of the 221 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A4 has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 30 September 2026 at £21,495. Its asking price is now £19,745, £1,750 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 30 September 2026: £21,495
• 2 October 2026: £20,995
• 8 October 2026: £19,995
• 13 October 2026: £19,945
• 16 October 2026: £19,745
• 21 October 2026: £19,495
• 26 October 2026: £19,445
• 31 October 2026: £19,745

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 June 2027.

It has had one MOT, on 18 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 29,151 miles, which matches the advertised 34,255 miles.

Advertised mileage is about 5,800 miles higher than the median mileage of a 2023 Audi A4 on AskCar.

Similar cars

88 other 2023 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,251 to £23,873, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 34,350 miles. Price: £20,998, £1,253 more than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-712932e225ee
• 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 34,010 miles. Price: £20,998, £1,253 more than this car. Dealer: Arnold Clark Warrington Motorstore / Vanstore (Westbrook) in Warrington. AskCar page: https://askcar.co.uk/car/audi-a4-2023-a241027e4cb3
• 2023 Audi A4 S Line, 2.0 petrol saloon, black. Mileage: 33,725 miles. Price: £19,300, £445 less than this car. Dealer: Lmc Cars in Upminster. AskCar page: https://askcar.co.uk/car/audi-a4-2023-05e424a4f895

• The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, black, 22 miles from this car. Mileage: 20,494 miles. Price: £19,990, £245 more than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/audi-a4-2023-bc5a086bd297