For enhanced safety, the front and rear seat shoulder belts of the Mercedes G-Class are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Land Rover Range Rover Sport doesn’t offer height-adjustable rear seat belts.
The G-Class has standard mbrace, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Range Rover Sport doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the G-Class and the Range Rover Sport have standard driver and passenger frontal airbags, side-impact head airbags, height-adjustable front shoulder belts, all wheel drive, traction control and electronic stability systems to prevent skidding.
The Mercedes G-Class weighs 485 to 895 pounds more than the Land Rover Range Rover Sport. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.
There are over 77 percent more Mercedes dealers than there are Land Rover dealers, which makes it much easier should you ever need service under the G-Class’ warranty.
The G-Class has a solid front axle with a floating power axle for durability that the Range Rover Sport’s independent front suspension and exposed front driveshafts don’t offer.
J.D. Power and Associates’ 2013 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Land Rover vehicles. J.D. Power ranks Mercedes 11th in initial quality, above the industry average. With 10 more problems per 100 vehicles, Land Rover is ranked 21st, below the industry average.
J.D. Power and Associates’ 2013 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Land Rover vehicles. J.D. Power ranks Mercedes fifth in reliability, above the industry average. With 105 more problems per 100 vehicles, Land Rover is ranked 32nd.
The G550’s standard 5.5 DOHC V8 produces 42 more horsepower (382 vs. 340) and 59 lbs.-ft. more torque (391 vs. 332) than the Range Rover Sport’s standard 3.0 supercharged V6. The G63’s standard 5.5 turbo V8 produces 26 more horsepower (536 vs. 510) and 99 lbs.-ft. more torque (560 vs. 461) than the Range Rover Sport Supercharged/Autobiography’s standard 5.0 supercharged V8.
For better traction, the G-Class has larger standard tires than the Range Rover Sport (265/60R18 vs. 255/50R19).
The G-Class is 4.5 inches shorter than the Range Rover Sport, making the G-Class easier to handle, maneuver and park in tight spaces.
The G-Class is 5.1 inches narrower than the Range Rover Sport, making the G-Class easier to handle and maneuver in traffic.
The G-Class has 2.8 inches more front headroom and .9 inches more rear headroom than the Range Rover Sport.
The G-Class has a much larger cargo area with its rear seat up than the Range Rover Sport with its rear seat up (45.2 vs. 27.7 cubic feet). The G-Class has a much larger cargo area with its rear seat folded than the Range Rover Sport with its rear seat folded (79.5 vs. 62.2 cubic feet).
Heated windshield washer fluid is standard on the G-Class to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Range Rover Sport doesn’t offer heated windshield washer fluid.
The G-Class’ standard air conditioned front seats cool the driver and front passenger and help take the sting out of hot leather in Summer. Air conditioned front seats cost extra on the Range Rover Sport.
Optional Mercedes-Benz Apps for the G-Class allows the driver and passengers access to select programs on their smartphones, including searching the internet and other connected activities without taking their eyes off the road or their hands from the wheel. The Range Rover Sport doesn’t offer factory integrated smartphone program access.
The G-Class’ standard GPS navigation system has a real-time traffic update feature that offers alternative routes to automatically bypass traffic problems. (Service available in a limited number of metro areas.) The Range Rover Sport’s navigation system doesn’t offer real-time traffic updates.
The G-Class will cost the buyer less in the long run because of its superior resale value. The Intellichoice estimates that the G-Class will retain 51.56% to 53.25% of its original price after five years, while the Range Rover Sport only retains 45.9% to 51.43%.