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: 24,332 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 24,332 miles, this 2023 Audi A3 S Line has covered about 2,700 fewer miles than other 2023 Audi A3 cars. Priced at £23,295, it is advertised £1,909 above the AskCar estimate of £21,386. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 37 days ago. Its asking price has since fallen by £1,600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandown Group Avocado Newbury, based in Newbury. 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

Above the going rate: £1,909 (8%) over the AskCar estimate of £21,386.

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 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £24,895. Its asking price is now £23,295, £1,600 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 26 September 2026: £24,895
• 2 October 2026: £24,495
• 9 October 2026: £23,995
• 16 October 2026: £23,595
• 23 October 2026: £23,495
• 30 October 2026: £23,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 March 2027.

It has had one MOT, on 5 March 2026, and passed.

Advisories at the latest test: tyre worn close to legal limit/worn on edge both front tyres treads perishing, low and bald towards inner edges and inner sidewall shoulder; recommend check/adjust tracking.

Mileage at that test: 20,274 miles, which matches the advertised 24,332 miles.

Advertised mileage is about 2,700 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, black. Mileage: 24,326 miles. Price: £20,395, £2,900 less than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e5ff901e087d
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 24,136 miles. Price: £21,498, £1,797 less than this car. Dealer: Arnold Clark Edinburgh Sighthill Motorstore / Fiat / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2023-157d661570c8
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 24,550 miles. Price: £20,030, £3,265 less than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2210ea8b7f9d

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 15 miles from this car. Mileage: 37,861 miles. Price: £20,000, £3,295 less than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2023-03b2df81bcbd