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) 5dr Sportback (148 bhp)
• Year: 2026
• Mileage: 5,450 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: Black
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 5,450 miles, around 2,200 more miles than is typical for its age. The dealer is asking £27,495, which is £1,011 below the AskCar estimate of £28,506. 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 42 days ago, the asking price has dropped by £1,995. It is advertised by Group 1 Automotive Finchley Road Audi in London. 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: £1,011 (3%) under the AskCar estimate of £28,506.

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 42 days.

Price history

AskCar first saw this advert on 21 September 2026 at £29,490. Its asking price is now £27,495, £1,995 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 21 September 2026: £29,490
• 26 September 2026: £29,250
• 30 September 2026: £28,990
• 5 October 2026: £28,690
• 14 October 2026: £28,490
• 18 October 2026: £28,290
• 23 October 2026: £27,995
• 28 October 2026: £27,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,200 miles higher than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

181 other 2026 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £25,249 to £35,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 5,348 miles. Price: £28,371, £876 more than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-211de7dd843d
• 2026 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 5,586 miles. Price: £27,750, £255 more than this car. Dealer: Mon Motors Bristol Audi in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2026-9a92e554bae3
• 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 5,600 miles. Price: £29,750, £2,255 more than this car. Dealer: Sytner Group North Wales Audi in Conwy. AskCar page: https://askcar.co.uk/car/audi-a3-2026-a33435c02f02

• The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, black, under a mile from this car. Mileage: 3,000 miles. Price: £29,495, £2,000 more than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-a3-2026-1bc56ed63c84