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: 14,692 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 14,692 miles, this 2023 Audi A3 S Line has covered about 12,300 fewer miles than other 2023 Audi A3 cars. Its asking price of £20,390 is £5 below the AskCar estimate of £20,395. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 55 days ago, the asking price has dropped by £1,560. Its advertised mileage matches the government's MOT record. The seller is Stratstone Liverpool Audi, based in Liverpool. 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: £5 (under 1%) under the AskCar estimate of £20,395.

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 55 days.

Price history

AskCar first saw this advert on 8 September 2026 at £21,950. Its asking price is now £20,390, £1,560 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 8 September 2026: £21,950
• 12 September 2026: £21,850
• 23 September 2026: £21,790
• 3 October 2026: £20,390
• 15 October 2026: £20,490
• 27 October 2026: £20,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 September 2027.

It has had one MOT, on 3 September 2026, and passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 14,693 miles, which matches the advertised 14,692 miles.

Advertised mileage is about 12,300 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 14,600 miles. Price: £19,490, £900 less than this car. Dealer: Williams Select in Old Trafford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-253580688e68
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 14,829 miles. Price: £19,750, £640 less than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c4988ce5870f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 14,386 miles. Price: £20,237, £153 less than this car. Dealer: cartime Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d52f6ece4a5

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, black, 4 miles from this car. Mileage: 23,978 miles. Price: £19,895, £495 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e1a1f4d6c19a