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: 16,335 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

At 16,335 miles, this 2023 Audi A3 S Line has covered about 10,700 fewer miles than other 2023 Audi A3 cars. Priced at £21,799, it is advertised £338 below the AskCar estimate of £22,137. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 12 days ago, and its asking price has since fallen by £1,300. Its advertised mileage matches the government's MOT record. 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 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £338 (1%) under the AskCar estimate of £22,137.

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 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £23,099. Its asking price is now £21,799, £1,300 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 21 October 2026: £23,099
• 22 October 2026: £22,199
• 29 October 2026: £21,799

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 10 September 2026, and passed.

Advisories at the latest test: offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 16,174 miles, which matches the advertised 16,335 miles.

Advertised mileage is about 10,700 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, black. Mileage: 16,374 miles. Price: £21,750, the same price as this car. Dealer: cartime Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a3-2023-23f1ca40a82d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 16,496 miles. Price: £22,995, £1,196 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, £200 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, white, under a mile from this car. Mileage: 26,473 miles. Price: £20,799, £1,000 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-30a8d086bf21