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: 21,103 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 21,103 miles, around 5,900 fewer miles than is typical for its age. The AskCar estimate for this car is £20,252. It is priced at £21,498, which is £1,246 above that estimate. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 32 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo, based in Linwood. 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: £1,246 (6%) over the AskCar estimate of £20,252.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £21,498. 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 17 July 2027.

It has had one MOT, on 14 July 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: 20,844 miles, which matches the advertised 21,103 miles.

Advertised mileage is about 5,900 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, blue. Mileage: 20,328 miles. Price: £20,955, £543 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f66644033897
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 20,246 miles. Price: £19,997, £1,501 less than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ccc563e01005
• 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 20,038 miles. Price: £21,498, the same price as this car. Dealer: Arnold Clark Preston Renault / Dacia in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-29d1616313be

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 10 miles from this car. Mileage: 25,310 miles. Price: £20,498, £1,000 less than this car. Dealer: Arnold Clark Glasgow Kia / OMODA / JAECOO in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4f7e96dacf14