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: 15,404 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

At 15,404 miles, this 2023 Audi A3 S Line has covered about 11,300 fewer miles than other 2023 Audi A3 cars. Priced at £23,180, it is advertised £1,027 above the AskCar estimate of £22,153. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. The seller is Big Motoring World Peterborough, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,027 (4%) over the AskCar estimate of £22,153.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 503 for sale on AskCar, as of 4 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: 1,015 of the 1,999 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £23,180. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 11,300 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

132 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 15,331 miles. Price: £22,442, £738 less than this car. Dealer: Lookers Audi Wearside in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1bbeb784fa26
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 15,303 miles. Price: £20,960, £2,220 less than this car. Dealer: Evans Halshaw Ford Burnley in Burnley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9b707d62e210
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 15,150 miles. Price: £22,898, £282 less than this car. Dealer: Group 1 Automotive Audi Approved Colchester in Colchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cdb3e0dd0acc

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 30,436 miles. Price: £19,530, £3,650 less than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85b3f88d8a69