Utility
Neither the Cadillac SRX nor the HUMMER has a marked advantage when it comes to seating capacity.
There's no clear winner between the Cadillac SRX and the HUMMER H3 SUV regarding hauling capacity.
The HUMMER H3 SUV outpulls the Cadillac SRX by a sizeable margin.
Dimensions
The Cadillac SRX's tank is roughly the same size as the HUMMER H3 SUV's, though the HUMMER H3 SUV's is a little bigger.
The H3 SUV and the Cadillac SRX compete for the same parking spaces.
Convenience
The HUMMER H3 SUV's fuel tank will need to be replenished more often than the unit in the Cadillac SRX.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs approximately the same to get the HUMMER H3 SUV to the dealership as the Cadillac SRX.
The HUMMER H3 SUV pales in comparison to the Cadillac with respect to fuel economy.
The HUMMER H3 SUV uses a lot of gasoline compared to the Cadillac SRX.
The Cadillac SRX isn't much less pricey than the H3 SUV in terms of MSRP.
The HUMMER will cost you a lots_of_money in gasoline every year compared to the Cadillac.
Handling
With its tighter turning circle, the HUMMER H3 SUV is most certainly nimbler than the Cadillac SRX, something to consider if you do a lot of city driving; however, keep in mind that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The HUMMER has a bigger engine than the Cadillac. Bear in mind that smaller engines are often cheaper to fix, but a smaller engine usually has to work a little harder.
Torque is roughly equivalent to acceleration, and in this respect, the HUMMER H3 SUV isn't much more powerful than the Cadillac SRX.
Comfort
While the front cabin in the HUMMER H3 SUV offers a bit more head room than the SRX, there honestly isn't much of a difference.
While the rear of the HUMMER H3 SUV provides a bit more head- and leg-room than the Cadillac, there frankly isn't much of a difference.
Warranty
The HUMMER and the Cadillac SRX have the same basic warranty.