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) 4dr (148 bhp)
• Year: 2023
• Mileage: 31,996 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 31,996 miles, approximately 5,000 above the typical mileage for its age. The AskCar estimate for this car is £19,282. It is priced at £17,600, which is £1,682 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 81 days, and its asking price has been cut by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Arval UK in Swindon. 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

Good value: £1,682 (8%) under the AskCar estimate of £19,282.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 81 days, and its asking price has been cut by £1,100. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 13 August 2026 at £18,700. Its asking price is now £17,600, £1,100 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

• 13 August 2026: £18,700
• 18 August 2026: £18,600
• 2 September 2026: £19,200
• 5 September 2026: £18,800
• 10 September 2026: £18,100
• 15 September 2026: £18,000
• 23 September 2026: £17,800
• 26 September 2026: £18,000
• 2 October 2026: £17,800
• 5 October 2026: £17,700
• 12 October 2026: £17,600

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 July 2027.

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

There were no advisories at the latest test.

Mileage at that test: 31,994 miles, which matches the advertised 31,996 miles.

Advertised mileage is about 5,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 30,952 miles. Price: £19,998, £2,398 more than this car. Dealer: Arnold Clark Northwich Vauxhall / Kia in Northwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6e94268d3d75
• 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 29,703 miles. Price: £18,680, £1,080 more than this car. Dealer: D. M. Keith in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2023-85f93797c3fa
• 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 28,114 miles. Price: £20,591, £2,991 more than this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f604646bb2ce

• The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, grey, 61 miles from this car. Mileage: 46,574 miles. Price: £16,200, £1,400 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2a5efca14ccd