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 Audi Q7 to the dealership as the Mercedes-Benz.
The Mercedes-Benz GL-Class pales in comparison to the Audi Q7 as far as gas mileage.
Producing an exact gas mileage evaluation is so tough that some think not even the federal government can do it, but it looks as though the Q7 is the winner in terms of gas mileage.
The Mercedes-Benz GL-Class is substantially costlier than the Audi Q7 when it comes to MSRP.
The Audi Q7 will save you a lots_of_money at the pump every year compared to the Mercedes-Benz.
The Mercedes-Benz GL-Class will cost you a lots_of_money in gasoline every year compared to the Audi Q7.
Utility
Neither the Audi Q7 nor the GL-Class has a marked advantage when it comes to seating capacity.
The Mercedes-Benz GL-Class is likely a better choice than the Audi as far as hauling capacity, especially if you frequently need to carry a lot of suitcases or sizeable pets.
Convenience
The Mercedes-Benz GL-Class's fuel tank will need to be replenished more often than the unit in the Audi Q7.
Comfort
While the front cabin in the Mercedes-Benz GL-Class offers a bit more head room than the Audi Q7, there really isn't much of a difference.
The ampler interior dimensions of the Mercedes-Benz GL-Class make it significantly more spacious for your passengers than the Audi Q7.
Dimensions
The Audi Q7 and the GL-Class compete for the same parking spaces.
Performance
With that kind of horsepower, the Mercedes-Benz GL-Class is a legitimate sports car.
Handling
With their similar turning circles, the Q7 and the Mercedes-Benz GL-Class definitely handle about the same into and out of tight spots.
Drivetrain
The Mercedes-Benz GL-Class has a larger engine than the Audi Q7. Bear in mind that smaller engines typically get better gas mileage, but smaller engines can be stressed more.
The Mercedes-Benz packs quite a wallop compared to the Audi in terms of torque, which is the force that lets you accelerate quickly.
Torque equals pickup, and the Mercedes-Benz GL-Class will have picked up and gone by the time the Audi Q7 finally gets moving.
Warranty
The Mercedes-Benz GL-Class and the Audi Q7 have the same basic after-sale protection.