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: 6,631 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: Black
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 6,631 miles, around 3,400 more miles than is typical for its age. The dealer is asking £28,636, which is £97 above the AskCar estimate of £28,539. 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 125 days ago, the asking price has dropped by £1,364. The seller is JCT600 Doncaster Audi, based in Doncaster. 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: £97 (under 1%) over the AskCar estimate of £28,539.

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 125 days.

Price history

AskCar first saw this advert on 30 June 2026 at £30,000. Its asking price is now £28,636, £1,364 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 30 June 2026: £30,000
• 26 September 2026: £28,700
• 30 September 2026: £28,636

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,400 miles higher 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, grey. Mileage: 6,627 miles. Price: £27,564, £1,072 less than this car. Dealer: Lookers Audi Wearside in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2026-52f4483f7d42
• 2026 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 6,345 miles. Price: £26,495, £2,141 less than this car. Dealer: Caffyns Volkswagen Brighton in Brighton and Hove. AskCar page: https://askcar.co.uk/car/audi-a3-2026-47aac12fe600
• 2026 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 6,993 miles. Price: £29,995, £1,359 more than this car. Dealer: Cameron Motor Group Perth Audi in Perth. AskCar page: https://askcar.co.uk/car/audi-a3-2026-16ea7815856b

• The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, black, under a mile from this car. Mileage: 8,000 miles. Price: £35,786, £7,150 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2026-bc034d33e3d3