A lineup of extreme tuner builds goes head-to-head on the drag strip: 1800HP Porsche 997 ES1XXX, 1010HP Jeep Trackhawk, ...

The Porsche GT3 RS lines up against a Jeep Grand Cherokee Trackhawk in a casual street launch. Both cars show their strength ...

The most powerful SUV here, with sleeper-car appeal, is the Chevrolet Tahoe RST, a land yacht with a burbly V8.