Was the DBX707 slow? Probably not, but that hasn't stopped Aston Martin from putting its performance SUV on a diet.

The advent of the high-performance SUV forced automakers and enthusiasts to rejig the commonly accepted definition of a ...

Using turbocharging tricks from their Valhalla supercar, Aston Martin's DBX S packs a whopping 717-horsepower punch, but that's not the whole story ...