Nebor
Lifer
Duramax 6.6-liter V-8 turbo-diesel engine delivering 300 hp at 3000 rmp, a 46-percent increase over previous H1s
Peak torque is 520 lb.-ft at 1500 rpm, an 18-percent increase
Link
This in the new H1. There's going to be an Alpha option for the H2 and the H3 coming out sometime, using either high displacement gas engines or superchargers. Hello single digit gas mileage.
I honestly fail to see how this helps the H1 be a better off roader though.