Utility
The Envoy and the BMW X3 can accommodate the same number of passengers.
The Envoy is likely a better choice than the BMW X3 in terms of hauling capacity, especially if you frequently need to carry a lot of equipment or big animals.
Towing is substantially more the Envoy's forte than it is the BMW X3's.
Dimensions
Your wallet will hurt more every time you fill up the GMC Envoy than the BMW because of its larger tank.
The X3 and the Envoy compete for the same parking spaces.
Convenience
You'll most certainly take the X3 for a fill-up roughly as often as the GMC Envoy.
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 GMC Envoy to the dealership as the BMW X3.
The Envoy will tax your gasoline budget considerably more than the BMW X3 will.
The X3 will save you money at the pump compared to the GMC Envoy.
The GMC Envoy isn't much less expensive than the BMW when it comes to MSRP.
Handling
With their similar turning circles, the GMC Envoy and the BMW X3 quite certainly handle roughly the same into and out of tight spots.
Drivetrain
The GMC has a more massive engine than the X3. Bear in mind that smaller engines are often cheaper to fix, but smaller engines can be stressed more.
Torque is the force that lets you accelerate quickly, and in this respect, the GMC Envoy is considerably more powerful than the BMW X3.
The X3 could learn a lesson or two from the GMC Envoy with respect to pickup.
Comfort
Taller drivers will substantially enjoy the extra head room in the GMC's front cabin compared to the BMW X3.
The ampler interior dimensions of the GMC make it considerably more spacious for your passengers than the BMW X3.
Warranty
The basic warranty that comes with the GMC isn't quite as generous as the X3's.