Jeep says the Grand Cherokee Trackhawk is the fastest SUV ever

The Jeep Grand Cherokee Trackhawk has 707-horsepower and can go 0–60 in 3.5 seconds — Jeep says this makes it the quickest SUV ever, though we suspect Tesla might disagree since the Model X (which is really sort of a crossover) can make that run in 2.9 seconds.A few years ago, Dodge released its Challenger and Charger Hellcat models: insanely powerful muscle cars equipped with a supercharged V8 that makes an astonishing 707-horsepower. Jeep engineers have spent the past few years fig