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: 37,288 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

At 37,288 miles, this 2023 Audi A3 S Line has covered about 10,300 more miles than other 2023 Audi A3 cars. The dealer may accept less. This car has been on sale for at least 132 days. We checked its advertised mileage against the government's MOT record, and they match. The seller is CarSupermarket.com Hessle, based in East Riding of Yorkshire. 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

We couldn't read this dealer's website on 2 November 2026, so this price was last confirmed on 1 November 2026 and we haven't given an AskCar estimate.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 132 days. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 23 June 2026 at £20,577. Its asking price is now £18,677, £1,900 less.

Price changes recorded:

• 23 June 2026: £20,577
• 26 June 2026: £20,277
• 30 June 2026: £20,577
• 8 July 2026: £20,477
• 25 July 2026: £20,177
• 8 August 2026: £19,977
• 22 August 2026: £19,777
• 3 September 2026: £19,477
• 17 September 2026: £19,277
• 2 October 2026: £19,177
• 9 October 2026: £18,877
• 28 October 2026: £18,677

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 March 2027.

It failed its MOT on 24 March 2026 (nearside rear tyre tread depth below requirements of 1.6mm) and passed later the same day.

Advisories at the latest test: offside front inner tyre worn close to legal limit/worn on edge badly worn; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 35,114 miles, which matches the advertised 37,288 miles.

Advertised mileage is about 10,300 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

129 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, blue. Mileage: 37,000 miles. Price: £19,690, £1,013 more than this car. Dealer: GTS Automotive in Osbaldeston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7420a0b5019f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 36,962 miles. Price: £20,000, £1,323 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8214e286aaa1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 37,861 miles. Price: £20,000, £1,323 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2023-03b2df81bcbd

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 31 miles from this car. Mileage: 12,551 miles. Price: £23,700, £5,023 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-86a235ee97d8