2023 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2023
• Mileage: 55,233 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,233 miles, this 2023 Audi A3 S Line has covered about 28,500 more miles than other 2023 Audi A3 cars. Priced at £19,240, it is advertised £100 above the AskCar estimate of £19,140. The AskCar estimate uses 6,645 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 13 days ago, the asking price has dropped by £250. Its advertised mileage matches the government's MOT record. The seller is Swansway Garages Stafford Audi, based in Stafford. 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: £100 (under 1%) over the AskCar estimate of £19,140.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A3 with the 2.0 diesel engine is typically advertised at £21,300: the median of the 117 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £19,490. Its asking price is now £19,240, £250 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 23 October 2026: £19,490
• 4 November 2026: £19,240

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 September 2027.

It has had one MOT, on 28 September 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 53,485 miles, which matches the advertised 55,233 miles.

Advertised mileage is about 28,500 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

5 other 2023 Audi A3 S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £18,995 to £24,498, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 2.0 diesel saloon, white. Mileage: 38,508 miles. Price: £21,563, £2,323 more than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-290aad4d620d
• 2023 Audi A3 S Line, 2.0 diesel saloon, black. Mileage: 36,770 miles. Price: £18,995, £245 less than this car. Dealer: Noya Cars in Barnet. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a203f6619384
• 2023 Audi A3 S Line, 2.0 diesel saloon, black. Mileage: 29,998 miles. Price: £20,845, £1,605 more than this car. Dealer: Swansway Garages Preston Audi in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d4f7f77180e8

• The nearest: 2023 Audi A3 S Line, 2.0 diesel saloon, blue, 67 miles from this car. Mileage: 27,529 miles. Price: £21,790, £2,550 more than this car. Dealer: Horton SEAT I CUPRA in Lincoln. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3682252a9183