2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 51,055 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 51,055 miles, approximately 24,400 above the typical mileage for its age. The dealer is asking £18,750, which is £395 above the AskCar estimate of £18,355. To work out the AskCar estimate, we analyse UK dealer adverts for 6,629 Audi A3 cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is for sale at Swansway Garages Stoke Audi in Stoke on Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £395 (2%) over the AskCar estimate of £18,355.

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 6,629 priced Audi A3 adverts across different ages and specifications, as of 10 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 493 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,093 of the 2,173 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £18,750. 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 10 November 2026: valid until 26 June 2027.

It has had one MOT, on 27 June 2026, and passed.

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

Mileage at that test: 45,677 miles, which matches the advertised 51,055 miles.

Advertised mileage is about 24,400 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

131 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £17,280 to £24,670, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 48,641 miles. Price: £19,481, £731 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e87b9ff1a0f4
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 48,533 miles. Price: £18,995, £245 more than this car. Dealer: EMG Motor Group BYD Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-46fb5f451947
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 48,500 miles. Price: £17,995, £755 less than this car. Dealer: Motoplex in York. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05825f7aad14

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, black, 2 miles from this car. Mileage: 16,000 miles. Price: £20,595, £1,845 more than this car. Dealer: P&W Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2a6cb60d7a80