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) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 40,979 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,979 miles, this 2023 Audi A3 S Line has covered about 14,000 more miles than other 2023 Audi A3 cars. Its asking price of £20,799 is £1,124 above the AskCar estimate of £19,675. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is John Clark Motor Group Aberdeen Audi, based in Aberdeen. 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: £1,124 (5%) over the AskCar estimate of £19,675.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £20,799. 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 March 2027.

It has had one MOT, on 25 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 32,139 miles, which matches the advertised 40,979 miles.

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

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 41,833 miles. Price: £19,510, £1,289 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-829ac202ae39
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 40,000 miles. Price: £19,995, £804 less than this car. Dealer: Gerald Hallett Landrover in Yeovil. AskCar page: https://askcar.co.uk/car/audi-a3-2023-da8a83b7808c
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 40,000 miles. Price: £20,889, £90 more than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1fde5fedfbae

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 56 miles from this car. Mileage: 30,376 miles. Price: £22,995, £2,196 more than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9bd8bbfb9cf7