2023 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2023
• Mileage: 17,140 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Red
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 17,140 miles, this 2023 Audi A3 S Line has covered about 9,900 fewer miles than other 2023 Audi A3 cars. The dealer is asking £21,660, which is £1,185 above the AskCar estimate of £20,475. 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 30 days ago. Its advertised mileage matches the government's MOT record. The seller is Marriott Motor Group Kings Lynn Audi, based in Kings Lynn. 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: £1,185 (5%) over the AskCar estimate of £20,475.

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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £21,660. 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 18 August 2027.

It has had one MOT, on 19 August 2026, and passed.

Advisories at the latest test: nearside rear tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 15,869 miles, which matches the advertised 17,140 miles.

Advertised mileage is about 9,900 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 17,371 miles. Price: £19,795, £1,865 less than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-adfefc40feb9
• 2023 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 16,800 miles. Price: £20,100, £1,560 less than this car. Dealer: German Autocentre in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-513a5d85f22b
• 2023 Audi A3 S Line, 1.0 petrol hatchback, red. Mileage: 17,846 miles. Price: £20,418, £1,242 less than this car. Dealer: Peoples Liverpool Speke in Speke. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d840b7489c72

• The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, grey, 29 miles from this car. Mileage: 19,240 miles. Price: £19,849, £1,811 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4c14c0e9a5d4