2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2023
• Mileage: 13,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 13,000 miles on the clock, this 2023 Audi A3 S Line has done roughly 14,000 fewer miles than a typical 2023 Audi A3. The dealer is asking £21,490, which is £517 above the AskCar estimate of £20,973. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Liverpool Audi, based in Liverpool. 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: £517 (2%) over the AskCar estimate of £20,973.

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

AskCar first saw this 2023 Audi A3 advertised today. 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 2 November 2026 at £21,490. 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 27 April 2027.

It has had one MOT, on 17 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,504 miles, which matches the advertised 13,000 miles.

Advertised mileage is about 14,000 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 10,284 miles. Price: £22,991, £1,501 more than this car. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2023-18a0df464d89
• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 10,196 miles. Price: £18,499, £2,991 less than this car. Dealer: Vertu Skoda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-41c1189a3039
• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 9,191 miles. Price: £22,710, £1,220 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05485ea24bf2

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 24 miles from this car. Mileage: 30,952 miles. Price: £19,998, £1,492 less than this car. Dealer: Arnold Clark Northwich Vauxhall / Kia in Northwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6e94268d3d75