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: 3,942 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: Red
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 Audi A3 S Line is 3,942 miles. Its asking price of £25,990 is £2,657 below the AskCar estimate of £28,647. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. The asking price is now £4,000 lower than when we first recorded the advert 54 days ago. It is for sale at Harwoods Southampton Audi in Chandlers Ford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £2,657 (9%) under the AskCar estimate of £28,647.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,500: the median of the 738 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2026 Audi A3 has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 11 September 2026 at £29,990. Its asking price is now £25,990, £4,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 11 September 2026: £29,990
• 19 September 2026: £29,690
• 3 October 2026: £29,590
• 7 October 2026: £28,990
• 10 October 2026: £28,690
• 15 October 2026: £27,990
• 20 October 2026: £27,940
• 27 October 2026: £26,990
• 31 October 2026: £25,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 700 miles higher than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

192 other 2026 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £25,249 to £35,750, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2026 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 3,938 miles. Price: £26,713, £723 more than this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/audi-a3-2026-e43d42d11abf
• 2026 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 3,937 miles. Price: £27,980, £1,990 more than this car. Dealer: JCT600 Boston Audi in Boston. AskCar page: https://askcar.co.uk/car/audi-a3-2026-4f3cb3ab09cc
• 2026 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 3,935 miles. Price: £28,640, £2,650 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2026-15c3022cf104

• The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, white, 25 miles from this car. Mileage: 6,748 miles. Price: £27,584, £1,594 more than this car. Dealer: Lookers Audi Basingstoke in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a3-2026-e436e34e3272