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: 14,552 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 has covered 14,552 miles, around 12,400 fewer miles than is typical for its age. Priced at £23,499, it is advertised £608 above the AskCar estimate of £22,891. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 45 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Eastern Western Motor Group Audi Stirling, based in Stirling. 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: £608 (2%) over the AskCar estimate of £22,891.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £23,499. 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 9 September 2027.

It has had one MOT, on 10 September 2026, and passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge edge; offside front inner tyre worn close to legal limit/worn on edge edge; nearside front tyre slightly damaged/cracking or perishing; and 4 more.

Mileage at that test: 14,555 miles, which matches the advertised 14,552 miles.

Advertised mileage is about 12,400 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: 14,500 miles. Price: £23,137, £362 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, blue. Mileage: 15,268 miles. Price: £23,998, £499 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9ad50fb57016
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 13,536 miles. Price: £23,498, the same price as this car. Dealer: Arnold Clark Salford Vauxhall / Fiat / Abarth / MG / Jeep in Salford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a673033305f1

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 27 miles from this car. Mileage: 42,123 miles. Price: £19,995, £3,504 less than this car. Dealer: Cameron Motor Group Perth Audi in Perth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-52afe6210c10