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
• Year: 2026
• Mileage: 4,247 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 4,247 miles. The AskCar estimate for this car is £28,427. It is priced at £27,250, which is £1,177 below that estimate. 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 48 days ago, the asking price has dropped by £1,600. The seller is Mon Motors Cardiff Audi, based in Cardiff. 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: £1,177 (4%) under the AskCar estimate of £28,427.

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 48 days.

Price history

AskCar first saw this advert on 15 September 2026 at £28,850. Its asking price is now £27,250, £1,600 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 15 September 2026: £28,850
• 6 October 2026: £28,750
• 13 October 2026: £28,650
• 21 October 2026: £28,500
• 23 October 2026: £27,950
• 31 October 2026: £27,250

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,000 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, grey. Mileage: 4,215 miles. Price: £28,500, £1,250 more than this car. Dealer: Sytner Group Huddersfield Audi in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2026-3c96462f9a69
• 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 4,203 miles. Price: £28,319, £1,069 more than this car. Dealer: cinch in Newbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-bd3da75d5859
• 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 4,355 miles. Price: £26,799, £451 less than this car. Dealer: cinch in Exeter. AskCar page: https://askcar.co.uk/car/audi-a3-2026-b434a9f3c072

• The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 8,500 miles. Price: £25,850, £1,400 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2026-ba7ec9bc6a90