Performance
With that kind of horsepower, both the HUMMER H2 SUV and the Cadillac Escalade are legitimate sportscars.
Handling
With its tighter turning radius, the Escalade is definitely nimbler than the HUMMER, something to consider if you do a lot of city driving; on the flip side, bear in mind that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The HUMMER H2 SUV has no lessons to learn with respect to torque from the Cadillac.
Utility
The Cadillac Escalade will definitely prove more practical than the HUMMER H2 SUV for those of you with frequent child-cargo.
The HUMMER H2 SUV is likely a better choice than the Cadillac Escalade when it comes to hauling capacity, especially if you often need to carry a lot of loot or big pets.
There's little the HUMMER H2 SUV can tow that the Cadillac Escalade cannot.
Comfort
While the front cabin in the Cadillac Escalade offers a bit more head room than the HUMMER H2 SUV, there honestly isn't much of a difference.
While the rear of the HUMMER H2 SUV provides a bit more head- and leg-room than the Cadillac Escalade, there frankly isn't much of a difference.
Dimensions
The H2 SUV is significantly more bulky than the Cadillac.
Your wallet will hurt more every time you fill up the HUMMER H2 SUV than the Cadillac Escalade because of its larger tank.
The HUMMER H2 SUV and the Cadillac Escalade compete for the same parking spaces.
Cost
As far as MSRP, the Cadillac Escalade costs significantly more than the HUMMER.
Warranty
The Cadillac Escalade and the HUMMER H2 SUV have the same basic after-sale protection.