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: 13,536 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: Black
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 13,536 miles, around 13,500 fewer miles than is typical for its age. Its asking price of £23,498 is £506 above the AskCar estimate of £22,992. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 11 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Salford Vauxhall / Fiat / Abarth / MG / Jeep, based in Salford. 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: £506 (2%) over the AskCar estimate of £22,992.

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 £23,998. Its asking price is now £23,498, £500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 22 October 2026: £23,998
• 29 October 2026: £23,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 September 2027.

It has had one MOT, on 18 September 2026, and passed.

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

Mileage at that test: 13,310 miles, which matches the advertised 13,536 miles.

Advertised mileage is about 13,500 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, grey. Mileage: 13,070 miles. Price: £21,995, £1,503 less than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f1f824da59cb
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 14,500 miles. Price: £23,137, £361 less than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8c5ca1b42654
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 14,552 miles. Price: £23,499, the same price as this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2023-555263029aad

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 2 miles from this car. Mileage: 44,765 miles. Price: £20,698, £2,800 less than this car. Dealer: Arnold Clark Manchester Vauxhall in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b7a4f301f2bf