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: 16,697 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: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,697 miles on the clock, this 2023 Audi A3 S Line has done roughly 10,300 fewer miles than a typical 2023 Audi A3. Priced at £22,149, it is advertised £433 above the AskCar estimate of £21,716. The AskCar estimate uses 6,705 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Birtley, based in Birtley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £433 (1%) over the AskCar estimate of £21,716.

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 6,705 priced Audi A3 adverts across different ages and specifications, as of 12 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 496 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 1 day ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,113 of the 2,224 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £22,149. 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 12 November 2026: valid until 27 October 2027.

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

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 16,718 miles, which matches the advertised 16,697 miles.

Advertised mileage is about 10,300 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

135 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 12 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 16,660 miles. Price: £21,999, £150 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c6c697903340
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 16,496 miles. Price: £21,995, £154 less 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, blue. Mileage: 16,906 miles. Price: £21,999, £150 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-706bb96fb0a3

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 16,335 miles. Price: £21,149, £1,000 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22ab35dda6ed