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: 34,709 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

With 34,709 miles on the clock, this 2023 Audi A3 S Line has done roughly 7,700 more miles than a typical 2023 Audi A3. Its asking price of £21,500 is £620 above the AskCar estimate of £20,880. 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 69 days. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at R W Sports And Prestige in Ashton-Under-Lyne. 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: £620 (2%) over the AskCar estimate of £20,880.

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 69 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 25 August 2026 at £21,500. 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 24 April 2027.

It has had one MOT, on 25 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 32,286 miles, which matches the advertised 34,709 miles.

Advertised mileage is about 7,700 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: 34,762 miles. Price: £21,295, £205 less than this car. Dealer: Yeomans Audi Truro in Truro. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ae7a71fafc4f
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 35,857 miles. Price: £19,990, £1,510 less than this car. Dealer: Barlow Motors Stoke Cupra in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ce3d72415250
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 32,654 miles. Price: £20,800, £700 less than this car. Dealer: Marshall Motor Group Audi South East London (Beckenham) in London. AskCar page: https://askcar.co.uk/car/audi-a3-2023-208cb5347033

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, black, 7 miles from this car. Mileage: 13,536 miles. Price: £23,498, £1,998 more than this car. Dealer: Arnold Clark Salford Vauxhall / Fiat / Abarth / MG / Jeep in Salford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a673033305f1