Handling
The XL-7 and the Mitsubishi Outlander have approximately comparable tires.
With their similar turning radii, the Outlander and the Suzuki XL-7 very likely handle roughly the same into and out of tight spots.
Drivetrain
The Suzuki XL-7's engine isn't much bigger than the Mitsubishi Outlander's.
Utility
The Suzuki is likely a better choice than the Mitsubishi Outlander as far as transporting cargo, especially if you frequently need to carry a lot of luggage or big dogs.
Drivers with frequent kid-duty might favor the XL-7 over the Mitsubishi.
The XL-7 outpulls the Mitsubishi Outlander by a large margin.
Convenience
You definitely won't have to visit your friendly gas station more often with the Suzuki XL-7 than with the Mitsubishi Outlander, because both offer similar mileage ranges.
Comfort
Taller drivers will quite a bit enjoy the extra head room in the Suzuki XL-7's front cabin compared to the Mitsubishi Outlander.
The Mitsubishi Outlander offers more head- and leg-room to your passengers than the Suzuki XL-7 does.
Dimensions
The Suzuki is a tad heavier than the Mitsubishi Outlander.
The Mitsubishi Outlander's tank is roughly the same size as the XL-7's, though the Suzuki's is slightly bigger.
The Mitsubishi Outlander rides lower than the Suzuki XL-7, which is a good thing for its center of gravity and ease of access.
The Mitsubishi Outlander and the XL-7 compete for the same parking spaces.
The Suzuki XL-7's longer wheelbase will result in a smoother, more stable ride; however, the Mitsubishi may give a more maneuverable feel in daily traffic.
Cost
The Suzuki XL-7 will tax your gas budget considerably more than the Mitsubishi Outlander will.
When it comes to gas mileage, the Mitsubishi beats the Suzuki XL-7.
As far as MSRP, the Mitsubishi Outlander doesn't cost much less than the XL-7.
Overview
The basic after-sale protection that comes with the Suzuki XL-7 isn't quite as generous as the Mitsubishi Outlander's.
Regarding warranty against corrosion, the Mitsubishi Outlander has tremendously better coverage than the Suzuki XL-7.
Other
The Suzuki XL-7 emits fewer smog-forming pollutants per 15,000 miles than the Mitsubishi Outlander.