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: 15,991 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: White
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 15,991 miles, around 11,000 fewer miles than is typical for its age. Priced at £21,695, it is advertised £1,054 below the AskCar estimate of £22,749. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 118 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Volkswagen Sheffield, based in Sheffield. 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: £1,054 (4%) under the AskCar estimate of £22,749.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 118 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 7 July 2026 at £23,295. Its asking price is now £21,695, £1,600 less.

Price changes recorded:

• 14 July 2026: £23,295
• 25 July 2026: £23,505
• 3 August 2026: £23,271
• 11 August 2026: £22,950
• 13 August 2026: £23,260
• 15 August 2026: £22,976
• 8 September 2026: £23,312
• 15 September 2026: £22,976
• 25 September 2026: £22,663
• 5 October 2026: £22,383
• 10 October 2026: £21,950
• 12 October 2026: £22,295
• 27 October 2026: £22,143
• 28 October 2026: £21,477
• 29 October 2026: £21,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 May 2027.

It has had one MOT, on 7 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,866 miles, which matches the advertised 15,991 miles.

Advertised mileage is about 11,000 miles lower 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, black. Mileage: 15,692 miles. Price: £22,900, £1,205 more than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8e266ae2bbd3
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 15,665 miles. Price: £22,995, £1,300 more than this car. Dealer: Swansway Garages Preston Audi in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-16c309188de6
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 15,580 miles. Price: £23,500, £1,805 more than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-20bc60ee808a

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 5 miles from this car. Mileage: 49,444 miles. Price: £18,490, £3,205 less than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e576df30f680