Utility
Neither the Pontiac Vibe nor the SX4 has a marked advantage in terms of seating capacity.
Dimensions
The Suzuki SX4's tank is roughly the same size as the Pontiac Vibe's, though the Pontiac Vibe's is a tad larger.
The Suzuki SX4 and the Pontiac Vibe compete for the same parking spaces.
Convenience
The Suzuki SX4's fuel tank will need to be replenished a bit more often than the unit in the Vibe.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs about the same to get the Pontiac to the dealership as the Suzuki SX4.
As far as gas mileage, the SX4 is somewhat better than the Vibe, but not by much.
Producing a precise fuel economy evaluation is so hard that some think not even the federal government can do it, but it looks as though both the Suzuki SX4 and the Suzuki SX4 perform approximately comparably regarding fuel economy.
When it comes to MSRP, the Suzuki SX4 costs substantially less than the Pontiac Vibe.
Drivetrain
The Suzuki SX4's engine isn't much more massive than the Pontiac Vibe's.
Comfort
While the front cabin in the Vibe offers a bit more head room than the Suzuki SX4, there frankly isn't much of a difference.
The Pontiac Vibe offers more head- and leg-room to your passengers than the Suzuki does.
Warranty
The Suzuki and the Pontiac have the same basic after-sale protection.