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: 18,819 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 18,819 miles, this 2023 Audi A3 S Line has covered about 8,200 fewer miles than other 2023 Audi A3 cars. The dealer is asking £21,745, which is £156 below the AskCar estimate of £21,901. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £1,155 lower than when we first recorded the advert 45 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Yeovil Audi, based in Yeovil. 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: £156 (under 1%) under the AskCar estimate of £21,901.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £22,900. Its asking price is now £21,745, £1,155 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 18 September 2026: £22,900
• 28 September 2026: £22,495
• 16 October 2026: £21,995
• 1 November 2026: £21,745

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 May 2027.

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

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened; nearside front tyre worn close to legal limit/worn on edge inner edge worn and tread on 2mm; offside front tyre worn close to legal limit/worn on edge inner edge worn and tread on 2mm; and 1 more.

Mileage at that test: 17,701 miles, which matches the advertised 18,819 miles.

Advertised mileage is about 8,200 miles lower 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, white. Mileage: 18,779 miles. Price: £20,674, £1,071 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e4221b4bfe2f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 19,000 miles. Price: £23,250, £1,505 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b3b8f2102a4d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 18,555 miles. Price: £20,623, £1,122 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-96f10f539d7d

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 2 miles from this car. Mileage: 35,900 miles. Price: £19,995, £1,750 less than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e900930b65f7