2026 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2026
• Mileage: 2,347 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 Audi A3 S Line is 2,347 miles. Its asking price of £28,490 is £824 below the AskCar estimate of £29,314. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 62 days ago, the asking price has dropped by £1,205. The seller is Marshall Motor Group Coulsdon Audi, based in Coulsdon. 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: £824 (2%) under the AskCar estimate of £29,314.

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 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,700: the median of the 714 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 Audi A3 has been on sale for at least 62 days.

Price history

AskCar first saw this advert on 1 September 2026 at £29,695. Its asking price is now £28,490, £1,205 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 1 September 2026: £29,695
• 14 September 2026: £29,590
• 27 September 2026: £28,990
• 4 October 2026: £28,995
• 10 October 2026: £28,490
• 18 October 2026: £28,450
• 29 October 2026: £28,490

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 900 miles lower than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

58 other 2026 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £26,295 to £36,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 2,345 miles. Price: £28,995, £505 more than this car. Dealer: Group 1 Automotive Tetbury Audi in Tetbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-426a75c63370
• 2026 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 2,500 miles. Price: £28,990, £500 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-0ea0493d0915
• 2026 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 2,500 miles. Price: £31,999, £3,509 more than this car. Dealer: John Clark Motor Group Aberdeen Audi in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2026-7aed21ec6206

• The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, black, 7 miles from this car. Mileage: 2,851 miles. Price: £28,450, the same price as this car. Dealer: Marshall Motor Group Audi South East London (Beckenham) in London. AskCar page: https://askcar.co.uk/car/audi-a3-2026-7e2e59223c19