Utility
The Suzuki XL7 will most certainly prove more practical than the GMC for those of you with frequent kid-cargo.
There's no clear winner between the GMC and the XL7 regarding hauling capacity.
Towing is considerably more the Suzuki XL7's forte than it is the GMC Terrain's.
Dimensions
The Suzuki XL7 is considerably heavier than the GMC Terrain.
The Suzuki XL7's tank is about the same size as the GMC Terrain's, though the GMC Terrain's is a little bigger.
The GMC Terrain and the Suzuki XL7 compete for the same parking spaces.
Convenience
You will have to visit your friendly gas station more often with the Suzuki XL7 than with the GMC Terrain.
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 GMC Terrain to the dealership as the Suzuki XL7.
The XL7 will tax your gasoline budget significantly more than the GMC Terrain will.
The XL7 pales in comparison to the Terrain with respect to gas mileage.
The Suzuki XL7 isn't much more expensive than the GMC Terrain as far as MSRP.
Handling
With their similar turning circles, the GMC Terrain and the Suzuki XL7 most certainly handle about the same into and out of tight spots.
Drivetrain
The Suzuki XL7 has a larger engine than the GMC. Keep in mind that smaller engines are often cheaper to fix, but smaller engines can be stressed more.
Torque is the force that lets you accelerate quickly, and in this respect, the Suzuki XL7 is significantly more powerful than the GMC Terrain.
The Suzuki XL7 packs quite a wallop compared to the GMC Terrain regarding torque, which is roughly equivalent to acceleration.
Comfort
Taller drivers will significantly enjoy the extra head room in the Suzuki's front cabin compared to the GMC Terrain.
The GMC Terrain is not particularly roomier for your passengers than the Suzuki XL7.
Warranty
The GMC and the Suzuki have the same basic warranty.