Utility
The Cadillac Escalade ESV will most definitely prove handier than the H2 SUT for those of you with frequent kid-cargo.
The HUMMER H2 SUT is likely a better choice than the Cadillac Escalade ESV as far as transporting cargo, especially if you often need to carry a lot of luggage or big dogs.
Performance
With that kind of horsepower, both the HUMMER H2 SUT and the Cadillac Escalade ESV are true sportscars.
Dimensions
The H2 SUT is significantly heavier than the Cadillac Escalade ESV.
The Escalade ESV's tank is roughly the same size as the H2 SUT's, though the HUMMER H2 SUT's is a bit larger.
The HUMMER H2 SUT fits in smaller parking spaces than the Cadillac Escalade ESV.
Cost
Regarding MSRP, the Cadillac Escalade ESV costs significantly more than the HUMMER H2 SUT.
Handling
With their comparable turning radii, the Cadillac Escalade ESV and the HUMMER H2 SUT quite certainly handle about the same into and out of tight spots.
Drivetrain
Torque is roughly equivalent to acceleration, and in this respect, the Cadillac Escalade ESV isn't much more powerful than the HUMMER.
The HUMMER H2 SUT has no lessons to learn with respect to torque from the Cadillac.
Comfort
While the front cabin in the Cadillac offers a bit more head room than the H2 SUT, there really isn't much of a difference.
While the rear of the HUMMER H2 SUT offers a bit more head- and leg-room than the Cadillac, there frankly isn't much of a difference.
Warranty
The Cadillac and the HUMMER H2 SUT have the same basic warranty.