Utility
The HHR is a better choice than the Suzuki SX4 in terms of transporting cargo, especially if you often need to carry a lot of loot or large pets.
The Suzuki SX4 and the Chevrolet HHR can accommodate the same number of passengers.
Performance
Both the Suzuki and the Chevrolet are likely to feel a bit sluggish because of their high horsepower-to-weight ratio.
Dimensions
Both the Suzuki SX4 and the Chevrolet HHR are likely to feel somewhat sluggish because of their high horsepower-to-weight ratio.
Your wallet will hurt more every time you fill up the HHR than the SX4 because of its more capacious tank.
The Suzuki and the Chevrolet HHR compete for the same parking spaces.
Convenience
You'll definitely have to take the Suzuki for a fill-up more often than the Chevrolet HHR because of its tank size and gas mileage.
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 Chevrolet HHR to the dealership as the Suzuki SX4.
There isn't much of a difference in gas mileage here, but if you must know, the Suzuki SX4 is a tad more economical than the Chevrolet.
The Suzuki SX4 isn't much less expensive than the Chevrolet HHR regarding MSRP.
Handling
The Chevrolet HHR and the SX4 have approximately similar tires.
With their similar turning radii, the Suzuki SX4 and the Chevrolet HHR quite certainly handle about the same into and out of tight spots.
Drivetrain
The Chevrolet HHR's engine isn't much larger than the Suzuki SX4's.
The Suzuki SX4 has no lessons to learn when it comes to pickup from the Chevrolet HHR.
Comfort
While the front cabin in the Suzuki SX4 offers a bit more head room than the Chevrolet HHR, there honestly isn't much of a difference.
The Chevrolet HHR offers more head- and leg-room to your passengers than the Suzuki SX4 does.
Overview
The Chevrolet HHR and the SX4 have the same basic warranty.