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) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 28,426 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Audi A3 S Line is 28,426 miles. Its asking price of £19,998 is £878 above the AskCar estimate of £19,120. The AskCar estimate draws on 6,554 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 3 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Motherwell Motorstore, based in Motherwell. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £878 (4%) over the AskCar estimate of £19,120.

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 6,554 priced Audi A3 adverts across different ages and specifications, as of 9 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 486 for sale on AskCar, as of 9 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 3 days ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,080 of the 2,143 first advertised between 9 July 2026 and 6 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £19,998. 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 9 November 2026: valid until 4 November 2027.

It has had 3 MOTs. The latest, on 5 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,433 miles, which matches the advertised 28,426 miles.

Advertised mileage is about 1,700 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

90 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 28,035 miles. Price: £18,900, £1,098 less than this car. Dealer: Evans Halshaw Vauxhall Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c9c92326116f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 29,090 miles. Price: £18,000, £1,998 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d4ebd12dd7a1
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 29,347 miles. Price: £19,985, the same price as this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a7ae9f5292bd

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 4 miles from this car. Mileage: 50,039 miles. Price: £17,495, £2,503 less than this car. Dealer: Lookers Audi Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9358997b39aa