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: 34,062 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

At 34,062 miles, this 2023 Audi A3 S Line has covered about 7,100 more miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £20,419. It is priced at £19,635, which is £784 below that estimate. 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 saw this car advertised 41 days ago. Its asking price has since fallen by £1,364. The seller is Carbase Lympsham, based in Lympsham. 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: £784 (3%) under the AskCar estimate of £20,419.

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 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £20,999. Its asking price is now £19,635, £1,364 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 22 September 2026: £20,999
• 23 September 2026: £20,684
• 24 September 2026: £20,669
• 26 September 2026: £20,451
• 29 September 2026: £20,427
• 30 September 2026: £20,417
• 1 October 2026: £20,189
• 7 October 2026: £20,158
• 8 October 2026: £20,122
• 9 October 2026: £20,000
• 13 October 2026: £19,866
• 16 October 2026: £19,646
• 17 October 2026: £19,635

Mileage and MOT

Advertised mileage is about 7,100 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, yellow. Mileage: 34,042 miles. Price: £19,681, the same price as this car. Dealer: Pentagon Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6d79d73942aa
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 33,781 miles. Price: £20,995, £1,360 more than this car. Dealer: Lake District Audi in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-304b7e8c68a2
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,368 miles. Price: £19,750, £115 more than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e341e2c9a3ba

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 24,632 miles. Price: £20,000, £365 more than this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0a10ae48e9fa