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: 25,310 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 25,310 miles. Priced at £20,498, it is advertised £610 above the AskCar estimate of £19,888. 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 6 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Glasgow Kia / OMODA / JAECOO, based in Glasgow. 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: £610 (3%) over the AskCar estimate of £19,888.

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 6 days ago. 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 27 October 2026 at £20,498. 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 29 June 2027.

It has had one MOT, on 8 June 2026, and passed.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both.

Mileage at that test: 23,635 miles, which matches the advertised 25,310 miles.

Advertised mileage is about 1,700 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: 25,279 miles. Price: £19,349, £1,149 less than this car. Dealer: Motorpoint Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-fe55dae6331d
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 28,114 miles. Price: £20,591, £93 more than this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f604646bb2ce
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 21,103 miles. Price: £21,498, £1,000 more than this car. Dealer: Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo in Linwood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85f59c8bc178

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 4 miles from this car. Mileage: 37,210 miles. Price: £18,849, £1,649 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e4c081ef0cbd