Handling
With their similar turning radii, the HUMMER and the Toyota definitely handle about the same into and out of tight spots.
Drivetrain
The HUMMER's engine is somewhat smaller than the Toyota 4Runner's, but not terribly so.
The HUMMER H3 has no lessons to learn when it comes to pickup from the Toyota 4Runner.
Utility
Drivers with frequent kid-duty might favor the Toyota over the HUMMER H3.
Convenience
You'll indubitably take the HUMMER H3 for a fill-up roughly as often as the Toyota 4Runner.
Comfort
While the front cabin in the HUMMER H3 offers a bit more head room than the 4Runner, there really isn't much of a difference.
While the rear of the HUMMER H3 provides a bit more head- and leg-room than the Toyota 4Runner, there honestly isn't much of a difference.
Dimensions
The HUMMER H3 and the Toyota 4Runner compete for the same parking spaces.
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 to the dealership as the 4Runner.
The HUMMER H3 doesn't pale in comparison to the Toyota 4Runner as far as gas mileage.
The Toyota 4Runner won't save you much money at the pump compared to the H3.
When it comes to MSRP, the H3 doesn't cost much less than the Toyota 4Runner.
Overview
The basic after-sale protection that comes with the Toyota 4Runner isn't quite as generous as the HUMMER H3's.