2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 30,237 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 30,237 miles, this 2023 Audi A3 S Line has covered about 3,400 more miles than other 2023 Audi A3 cars. Its asking price of £18,073 is £839 below the AskCar estimate of £18,912. The AskCar estimate uses 6,691 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Carsa Cannock in Cannock Chase. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £839 (4%) under the AskCar estimate of £18,912.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 7 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: 1,073 of the 2,115 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £18,073. 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 7 November 2026: valid until 25 October 2027.

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

Advisories at the latest test: offside rear nail in tyre; windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 30,027 miles, which matches the advertised 30,237 miles.

Advertised mileage is about 3,400 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

92 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 30,038 miles. Price: £19,698, £1,625 more than this car. Dealer: Arnold Clark Falkirk Fiat / Abarth in Falkirk. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d8d1ad6430e1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 29,347 miles. Price: £19,985, £1,912 more than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a7ae9f5292bd
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 29,090 miles. Price: £18,000, £73 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d4ebd12dd7a1

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 1 miles from this car. Mileage: 25,110 miles. Price: £18,230, £157 more than this car. Dealer: Big Motoring World Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2023-34eb9c5bc4ba