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: 20,074 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 20,074 miles, approximately 6,900 below the typical mileage for its age. Its asking price of £18,970 is £957 below the AskCar estimate of £19,927. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 54 days ago, and its asking price has since fallen by £2,950. Its advertised mileage matches the government's MOT record. You can find this car at Big Motoring World Enfield in Waltham Cross. 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: £957 (4%) under the AskCar estimate of £19,927.

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 54 days.

Price history

AskCar first saw this advert on 9 September 2026 at £21,920. Its asking price is now £18,970, £2,950 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 9 September 2026: £21,920
• 10 September 2026: £20,140
• 11 September 2026: £20,160
• 12 September 2026: £20,150
• 18 September 2026: £20,140
• 22 September 2026: £20,030
• 26 September 2026: £19,850
• 29 September 2026: £19,870
• 30 September 2026: £19,830
• 1 October 2026: £19,840
• 6 October 2026: £19,660
• 10 October 2026: £19,160
• 14 October 2026: £18,950
• 19 October 2026: £19,230
• 24 October 2026: £19,050
• 28 October 2026: £18,970

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 September 2027.

It has had one MOT, on 10 August 2026, and 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 has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 19,375 miles, which matches the advertised 20,074 miles.

Advertised mileage is about 6,900 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, white. Mileage: 20,209 miles. Price: £19,420, £450 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-72af4811bc45
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 20,401 miles. Price: £20,998, £2,028 more than this car. Dealer: Arnold Clark Derby Motorstore in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ea18545510d1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 19,725 miles. Price: £18,321, £649 less than this car. Dealer: Trust Ford Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5b4735aa100a

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 15,558 miles. Price: £19,180, £210 more than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-44408e912c92