Handling
With its tighter turning radius, the Infiniti FX35 is definitely more maneuverable than the GMC Acadia, something to consider if you do a lot of city driving; on the other hand, note that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The GMC Acadia's engine isn't much larger than the Infiniti's.
The Infiniti FX35 has no lessons to learn regarding torque from the GMC Acadia.
Torque is roughly equivalent to acceleration, and in this respect, the GMC Acadia isn't much more powerful than the Infiniti FX35.
Utility
Drivers with frequent kid-duty might favor the GMC Acadia over the Infiniti FX35.
Convenience
You'll most definitely take the Infiniti FX35 for a fill-up about as often as the Acadia.
Comfort
Taller drivers will substantially enjoy the extra head room in the GMC Acadia's front cabin compared to the Infiniti.
The GMC offers more head- and leg-room to your passengers than the FX35 does.
Dimensions
The GMC's tank is approximately the same size as the Infiniti FX35's, though the Infiniti FX35's is a bit bigger.
The Infiniti FX35 and the GMC Acadia compete for the same parking spaces.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs roughly the same to get the GMC to the dealership as the Infiniti.
The FX35 won't tax your gas budget substantially more than the GMC Acadia will.
When it comes to gas mileage, the GMC Acadia beats the Infiniti.
With respect to MSRP, the GMC Acadia costs substantially less than the Infiniti FX35.
Warranty
The basic warranty that comes with the GMC Acadia isn't quite as generous as the Infiniti FX35's.