2020 BMW X5 M vs. 2020 Mercedes AMG GLC

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/10/25

The X5 M has a standard PostCrash iBrake, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The AMG GLC doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Over 200 people are killed each year when backed over by motor vehicles. The X5 M has standard Active Park Distance Control that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The AMG GLC doesn’t offer backup collision prevention brakes.

When descending a steep, off-road slope, the X5 M’s standard Hill Descent Control allows you to creep down safely. The AMG GLC doesn’t offer Hill Descent Control.

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 GLC doesn’t offer a night vision system.

Both the X5 M and the AMG GLC 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, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras and driver alert monitors.

The BMW X5 M weighs 879 to 1234 pounds more than the Mercedes AMG GLC. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

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The X5 M’s corrosion warranty is 7 years longer than the AMG GLC’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the X5 M for 3 years and 36,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the AMG GLC.

Reliability

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J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Mercedes vehicles. J.D. Power ranks BMW 7th in reliability, above the industry average. With 12 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that BMW vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks BMW 4 places higher in reliability than Mercedes.

Engine

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The X5 M’s standard 4.4 turbo V8 produces 215 more horsepower (600 vs. 385) and 169 lbs.-ft. more torque (553 vs. 384) than the AMG GLC 43’s standard 3.0 turbo V6. The X5 M’s 4.4 turbo V8 produces 131 more horsepower (600 vs. 469) and 74 lbs.-ft. more torque (553 vs. 479) than the AMG GLC 63’s standard 4.0 turbo V8. The X5 M Competition’s standard 4.4 turbo V8 produces 148 more horsepower (617 vs. 469) and 74 lbs.-ft. more torque (553 vs. 479) than the AMG GLC 63’s standard 4.0 turbo V8.

Fuel Economy and Range

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Regenerative brakes improve the X5 M’s fuel efficiency by converting inertia back into energy instead of wasting it. The AMG GLC doesn’t offer a regenerative braking system.

The X5 M has 4.5 gallons more fuel capacity than the AMG GLC (21.9 vs. 17.4 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the X5 M’s brake rotors are larger than those on the AMG GLC:

X5 M

AMG GLC 43

AMG GLC 63

Front Rotors

15.6 inches

14.2 inches

15.4 inches

Rear Rotors

15 inches

12.6 inches

14.2 inches

Tires and Wheels

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For better traction, the X5 M has larger tires than the AMG GLC (F:295/35R21 & R:315/30R21 vs. F:255/45R20 & R:285/40R20). The X5 M’s tires are larger than the largest tires available on the AMG GLC (F:295/35R21 & R:315/30R21 vs. F:265/45R20 & R:295/40R20).

The X5 M’s 295/35R21 front and 315/30R21 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the AMG GLC 43’s standard 45 series front and 40 series rear tires. The X5 M’s tires are lower profile than the AMG GLC’s optional 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the X5 M has standard 21-inch wheels. Smaller 20-inch wheels are standard on the AMG GLC 43. The X5 M’s optional 22-inch rear wheels are larger than the 21-inch wheels optional on the AMG GLC.

Suspension and Handling

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The X5 M has active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The AMG GLC doesn’t offer an active sway bar system.

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 GLC.

For a smoother ride and more stable handling, the X5 M’s wheelbase is 3.9 inches longer than on the AMG GLC (117 inches vs. 113.1 inches).

For better handling and stability, the track (width between the wheels) on the X5 M is 1.5 inches wider in the front and 1 inch wider in the rear than the average track on the AMG GLC.

The X5 M’s front to rear weight distribution is more even (50.6% to 49.4%) than the AMG GLC’s (54% to 46%). This gives the X5 M more stable handling and braking.

For greater off-road capability the X5 M has a 2.2 inches greater minimum ground clearance than the AMG GLC 63 (8.3 vs. 6.1 inches), allowing the X5 M to travel over rougher terrain without being stopped or damaged. The X5 M Competition’s minimum ground clearance is 1.7 inches higher than on the AMG GLC 43 (8.4 vs. 6.7 inches).

Chassis

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The front grille of the X5 M uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The AMG GLC doesn’t offer active grille shutters.

Passenger Space

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The X5 M has 3 inches more front headroom, 2.7 inches more front shoulder room, .2 inches more rear headroom, .1 inches more rear legroom and 1.6 inches more rear shoulder room than the AMG GLC.

Cargo Capacity

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The X5 M has a much larger cargo volume with its rear seat up than the AMG GLC with its rear seat up (33.9 vs. 17.6 cubic feet). The X5 M has a much larger cargo volume with its rear seat folded than the AMG GLC with its rear seat folded (72.3 vs. 56.5 cubic feet).

The X5 M’s cargo area is larger than the AMG GLC’s in every dimension:

X5 M

AMG GLC

Length to seat (2nd/1st)

40.7”/70”

36.6”/61.3”

Max Width

49”

n/a

Min Width

44”

43.3”

Height

31.5”

n/a

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 GLC’s rear cargo window doesn’t open.

Ergonomics

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/10/25

The X5 M’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The AMG GLC’s cruise control switches are unlit, making them difficult to find at night and operate safely.

On extremely cold winter days, the X5 M’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the vehicle heater warms up. The AMG GLC doesn’t offer a heated steering wheel.

The X5 M offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the AMG GLC.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW X5 M has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the AMG GLC.

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