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: 33,781 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: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 33,781 miles on the clock, this 2023 Audi A3 S Line has done roughly 6,800 more miles than a typical 2023 Audi A3. Its asking price of £20,995 is £545 above the AskCar estimate of £20,450. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. It is for sale at Lake District Audi in Grange Over Sands. 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: £545 (2%) over the AskCar estimate of £20,450.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £21,495. Its asking price is now £20,995, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 16 October 2026: £21,495
• 28 October 2026: £20,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 July 2027.

It has had one MOT, on 22 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 31,832 miles, which matches the advertised 33,781 miles.

Advertised mileage is about 6,800 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, £1,314 less than 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, white. Mileage: 34,062 miles. Price: £19,635, £1,360 less than this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ab3a974dccc2
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,368 miles. Price: £19,750, £1,245 less 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, grey, under a mile from this car. Mileage: 10,000 miles. Price: £23,495, £2,500 more than this car. Dealer: Hadwins Approved in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3f19c07ce9ca