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) 4dr (148 bhp)
• Year: 2023
• Mileage: 16,038 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,038 miles on the clock, this 2023 Audi A3 S Line has done roughly 10,600 fewer miles than a typical 2023 Audi A3. Its asking price of £27,898 is £5,215 above the AskCar estimate of £22,683. The AskCar estimate uses 6,630 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 21 days. Its advertised mileage matches the government's MOT record. The seller is CarSupermarket.com Birmingham, based in Birmingham. 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

Above the going rate: £5,215 (22%) over the AskCar estimate of £22,683.

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

This 2023 Audi A3 has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £21,998. Its asking price is now £27,898, £5,900 more.

Price changes recorded:

• 14 October 2026: £21,998
• 24 October 2026: £27,398
• 28 October 2026: £27,698
• 31 October 2026: £27,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 October 2027.

It has had 2 MOTs. The latest, on 30 September 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre worn close to legal limit/worn on edge wearing inner edge and cracking; rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 15,894 miles, which matches the advertised 16,038 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

42 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,550, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 15,991 miles. Price: £21,695, £6,203 less than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ee0a854184b6
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 15,692 miles. Price: £21,900, £5,998 less than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8e266ae2bbd3
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 15,580 miles. Price: £23,500, £4,398 less than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 39 miles from this car. Mileage: 21,472 miles. Price: £22,380, £5,518 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-727a75058140