Performance
Regarding horsepower, the Vibe packs quite a punch and will knock the Nissan down a few rungs. On the flip side, remember that high horsepower engines often command higher insurance premiums.
Handling
With their comparable turning radii, the Cube and the Pontiac Vibe quite certainly handle approximately the same into and out of tight spots.
Drivetrain
The Pontiac's engine isn't much more sizeable than the Nissan Cube's.
Utility
The Vibe and the Nissan can accommodate the same number of passengers.
Convenience
You'll most certainly have to take the Vibe for a fill-up more often than the Nissan Cube because of its tank size and gas mileage.
Comfort
Taller drivers will significantly enjoy the extra head room in the Nissan Cube's front cabin compared to the Vibe.
While the rear of the Nissan Cube offers a bit more head- and leg-room than the Pontiac, there frankly isn't much of a difference.
Dimensions
The Pontiac's tank is approximately the same size as the Nissan Cube's, though the Nissan Cube's is a bit bigger.
The Cube and the Pontiac Vibe compete for the same parking spaces.
Cost
The Nissan Cube will save you money at the pump compared to the Pontiac Vibe.
The Pontiac Vibe uses a lot of gas compared to the Cube.
The Pontiac Vibe is significantly costlier than the Nissan in terms of MSRP.
The Nissan Cube will save you a lots_of_money at the pump every year compared to the Pontiac Vibe.
Warranty
The Nissan Cube and the Vibe have the same basic after-sale protection.