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: 16,374 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,374 miles on the clock, this 2023 Audi A3 S Line has done roughly 10,600 fewer miles than a typical 2023 Audi A3. Priced at £21,750, it is advertised £383 below the AskCar estimate of £22,133. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 16 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is cartime Rochdale, based in Rochdale. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £383 (1%) under the AskCar estimate of £22,133.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 17 October 2026 at £21,750. 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 2 November 2026: valid until 29 September 2027.

It has had one MOT, on 21 September 2026, and passed.

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

Mileage at that test: 16,055 miles, which matches the advertised 16,374 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 16,335 miles. Price: £21,799, the same price as this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22ab35dda6ed
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 16,496 miles. Price: £22,995, £1,245 more than this car. Dealer: Hawco Group Highland Audi in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fb563ad24f3
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 16,660 miles. Price: £21,999, £249 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c6c697903340

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 11 miles from this car. Mileage: 11,107 miles. Price: £22,199, £449 more than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f6a9dec29a98