Anyone who has gotten behind the wheel of the new Porsche Macan SUV since its recent introduction has been blown away by the company's ability to bring its sports car performance and heritage into the cushy, family-friendly environment of the luxury crossover segment. This has been especially apparent in the 400 horsepower, 406 lb-ft of torque Macan Turbo. But what happens when the successful big brother is pitted against its sexy, sleek little brother – the equally-new and well-loves Cayman GTS?

Auto Express takes the duo out to the track to find out.