A passive infrared night vision system optional on the X5 M helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The AMG GLE63 doesn’t offer a night vision system.
Both the X5 M and the AMG GLE63 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems and around view monitors.
The X5 M’s corrosion warranty is 8 years and unlimited miles longer than the AMG GLE63’s (12/unlimited vs. 4/50,000).
BMW pays for scheduled maintenance on the X5 M for 4 years and 50,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the AMG GLE63.
There are over 12 percent more BMW dealers than there are Mercedes dealers, which makes it easier should you ever need service under the X5 M’s warranty.
J.D. Power and Associates’ 2015 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks BMW 6th in initial quality, above the industry average. With 12 more problems per 100 vehicles, Mercedes is ranked 14th.
The X5 M’s 4.4 turbo V8 produces 17 more horsepower (567 vs. 550) and 37 lbs.-ft. more torque (553 vs. 516) than the AMG GLE63’s standard 5.5 turbo V8.
On the EPA test cycle the X5 M gets better fuel mileage than the AMG GLE63 (14 city/19 hwy vs. 13 city/17 hwy). The X5 M gets better fuel mileage than the AMG GLE63 S Coupe (14 city/19 hwy vs. 14 city/18 hwy).
Regenerative brakes improve the X5 M’s fuel efficiency by converting inertia back into energy instead of wasting it. The AMG GLE63 doesn’t offer a regenerative braking system.
For better traction, the X5 M has larger tires than the AMG GLE63 (F:285/35R21 & R:325/30R21 vs. 265/45R20).
The X5 M’s standard 285/40R20 front and 325/35R20 rear tires provide better handling because they have a lower 40 series front and 35 series rear profile (height to width ratio) that provides a stiffer sidewall than the AMG GLE63’s standard 45 series tires. The X5 M’s 325/30R21 rear tires have a lower 30 series profile than the AMG GLE63’s optional 35 series tires.
The X5 M offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Mercedes doesn’t offer an active suspension on the AMG GLE63.
The X5 M’s front to rear weight distribution is more even (50.7% to 49.3%) than the AMG GLE63’s (54.7% to 45.3%). This gives the X5 M more stable handling and braking.
The X5 M offers optional seating for 7 passengers; the AMG GLE63 can only carry 5.
The X5 M has 1.6 inches more front headroom, .1 inches more front legroom, 3 inches more front shoulder room, .3 inches more rear headroom and 1.6 inches more rear shoulder room than the AMG GLE63.
The X5 M 4dr Sport Utility has a much larger cargo area than the AMG GLE63 Coupe with its rear seat up (26.6 vs. 23 cubic feet).
The X5 M’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The AMG GLE63’s rear cargo window doesn’t open.
The X5 M offers an optional heads-up display which projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The AMG GLE63 doesn’t offer a heads-up display.
To improve rear visibility by keeping the rear window clear, the X5 M has a standard rear wiper. The AMG GLE63 Coupe doesn’t offer a rear wiper.