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: 15,121 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,121 miles on the clock, this 2023 Audi A3 S Line has done roughly 11,900 fewer miles than a typical 2023 Audi A3. The dealer is asking £19,977, which is £184 below the AskCar estimate of £20,161. To work out the AskCar estimate, we analyse UK dealer adverts for 6,729 Audi A3 cars across different ages and specifications. We first saw this car advertised 42 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is CarSupermarket.com Lincoln, based in Lincoln. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £184 (under 1%) under the AskCar estimate of £20,161.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 25 September 2026 at £20,977. Its asking price is now £19,977, £1,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 25 September 2026: £20,977
• 9 October 2026: £20,777
• 15 October 2026: £20,277
• 5 November 2026: £19,977

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 28 September 2027.

It has had one MOT, on 24 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,121 miles, which matches the advertised 15,121 miles.

Advertised mileage is about 11,900 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 15,106 miles. Price: £20,499, £522 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-64f398b656df
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 15,101 miles. Price: £20,240, £263 more than this car. Dealer: Pentagon Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8e8c6451638e
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 15,069 miles. Price: £19,999, the same price as this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b79648cca742

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 31 miles from this car. Mileage: 51,997 miles. Price: £16,915, £3,062 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bb7644bc6c08