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: 3,416 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 3,416 miles. The dealer is asking £29,391, which is £894 above the AskCar estimate of £28,497. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £100. The seller is Sinclair Volkswagen (Swansea), based in Swansea. 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: £894 (3%) over the AskCar estimate of £28,497.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £29,491. Its asking price is now £29,391, £100 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 3 October 2026: £29,491
• 21 October 2026: £29,391

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 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: 3,428 miles. Price: £28,250, £1,141 less than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-5d29395bd972
• 2026 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 3,398 miles. Price: £29,950, £559 more than this car. Dealer: Stratstone Bolton Audi in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-94510551c556
• 2026 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 3,439 miles. Price: £29,500, £109 more than this car. Dealer: Sytner Group Huddersfield Audi in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2026-d5b43c0ea552

• The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, grey, 18 miles from this car. Mileage: 6,432 miles. Price: £28,171, £1,220 less than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2026-45a0c4d5d524