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: 27,545 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: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 27,545 miles on the clock. Priced at £20,995, it is advertised £647 below the AskCar estimate of £21,642. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 11 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Rodden Road Cars in Frome. 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: £647 (2%) under the AskCar estimate of £21,642.

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 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £20,995. Its asking price has not changed.

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 February 2027.

It failed its MOT on 23 February 2026 (offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords + worn on inner edge + cracking/ perishing) and passed 1 day later, on 24 February 2026.

There were no advisories at the latest test.

Mileage at that test: 21,312 miles, which matches the advertised 27,545 miles.

Advertised mileage is about 500 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

41 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,499, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 27,861 miles. Price: £22,390, £1,395 more than this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c4c619564788
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 28,734 miles. Price: £21,950, £955 more than this car. Dealer: Mon Motors Bristol Audi in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-88e88093b6be
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 25,765 miles. Price: £20,399, £596 less than this car. Dealer: cinch in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-403a2cf02ad3