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: 26,619 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

The advertised mileage for this 2023 Audi A3 S Line is 26,619 miles. Priced at £20,849, it is advertised £25 above the AskCar estimate of £20,824. The AskCar estimate uses 6,705 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 today. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Oldbury, based in Oldbury. 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: £25 (under 1%) over the AskCar estimate of £20,824.

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 today. 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 12 November 2026 at £20,849. 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 24 August 2027.

It failed its MOT on 12 August 2026 (front inner tyre has ply or cords exposed BOTH SIDES) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 25,092 miles, which matches the advertised 26,619 miles.

Advertised mileage is about 400 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, blue. Mileage: 26,251 miles. Price: £20,850, the same price as this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9bf70e57e399
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 26,247 miles. Price: £22,500, £1,651 more than this car. Dealer: Sytner Group Huddersfield Audi in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b3d143ea1ef8
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 27,034 miles. Price: £20,750, £99 less than this car. Dealer: Group 1 Automotive Southend Audi in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cecc6de858d6

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 2 miles from this car. Mileage: 14,853 miles. Price: £19,999, £850 less than this car. Dealer: Automania Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-76bc3439a838