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: 3,669 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: White
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line is advertised with 3,669 miles on the clock. Its asking price of £28,087 is £774 below the AskCar estimate of £28,861. To work out the AskCar estimate, we analyse UK dealer adverts for 6,645 Audi A3 cars across different ages and specifications. We first saw this car advertised 55 days ago. Its asking price has since fallen by £1,393. The seller is Swansway Garages Carlisle Audi, based in Carlisle. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £774 (2%) under the AskCar estimate of £28,861.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,500: the median of the 736 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2026 Audi A3 has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 11 September 2026 at £29,480. Its asking price is now £28,087, £1,393 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 11 September 2026: £29,480
• 29 September 2026: £29,200
• 1 October 2026: £29,180
• 8 October 2026: £28,980
• 16 October 2026: £28,377
• 29 October 2026: £28,200
• 4 November 2026: £28,087

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 400 miles higher than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

53 other 2026 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £26,495 to £36,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 3,587 miles. Price: £28,395, £308 more than this car. Dealer: Group 1 Automotive Norwich Audi in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2026-b95f16dbbf60
• 2026 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 3,585 miles. Price: £28,999, £912 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-f83799c302cd
• 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 3,811 miles. Price: £29,399, £1,312 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-6564c04a37d8

• The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, red, 70 miles from this car. Mileage: 9,689 miles. Price: £27,040, £1,047 less than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a3-2026-fd9e03f5147b