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: 61,800 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

This 2023 Audi A3 S Line has covered 61,800 miles, around 35,100 more miles than is typical for its age. The AskCar estimate for this car is £17,971. It is priced at £19,445, which is £1,474 above that estimate. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 15 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Morgan Cars and Commercials in Ballyclare. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,474 (8%) over the AskCar estimate of £17,971.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 503 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 20 October 2026 at £19,445. 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 4 November 2026: valid until 12 January 2027.

It has had one MOT, on 13 January 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin; front brake disc worn, pitted or scored, but not seriously weakened front brake discs corroded; offside front tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 49,141 miles, which matches the advertised 61,800 miles.

Advertised mileage is about 35,100 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

42 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £27,898, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 65,469 miles. Price: £17,495, £1,950 less than this car. Dealer: Grainger Motor Group in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c84898d425fe
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 72,284 miles. Price: £16,290, £3,155 less than this car. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1c928d32ffbe
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 49,444 miles. Price: £18,490, £955 less than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e576df30f680

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 125 miles from this car. Mileage: 14,552 miles. Price: £23,499, £4,054 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2023-555263029aad