Certified Benz & Beemer Compares 2014 BMW X6 VS 2014 Mercedes GLK-Class Near Phoenix, AZ

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2014 BMW X6

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VS

2014 Mercedes GLK-Class

Safety Comparison

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To provide maximum traction and stability on all roads, All Wheel Drive is standard on the X6. But it costs extra on the GLK-Class.

When descending a steep, off-road slope, the X6’s standard Hill Descent Control allows you to creep down safely. The GLK-Class doesn’t offer Hill Descent Control.

Both the X6 and the GLK-Class have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control and electronic stability systems to prevent skidding.

The BMW X6 weighs 538 to 1157 pounds more than the Mercedes GLK-Class. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty Comparison

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The X6’s corrosion warranty is 8 years and unlimited miles longer than the GLK-Class’ (12/unlimited vs. 4/50,000).

BMW pays for scheduled maintenance on the X6 for 4 years and 50,000 miles. BMW will pay for oil changes, tire rotation, lubrication and any other scheduled maintenance. Mercedes doesn’t pay scheduled maintenance for the GLK-Class.

There are over 12 percent more BMW dealers than there are Mercedes dealers, which makes it easier should you ever need service under the X6’s warranty.

Engine Comparison

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The X6 xDrive35i’s standard 3.0 turbo 6 cyl. produces 27 lbs.-ft. more torque (300 vs. 273) than the GLK-Class’ 3.5 DOHC V6. The X6 xDrive35i M Performance Package’s standard 3.0 turbo 6 cyl. produces 13 more horsepower (315 vs. 302) and 27 lbs.-ft. more torque (300 vs. 273) than the GLK-Class’ 3.5 DOHC V6. The X6 xDrive50i’s standard 4.4 turbo V8 produces 98 more horsepower (400 vs. 302) and 177 lbs.-ft. more torque (450 vs. 273) than the GLK-Class’ 3.5 DOHC V6. The X6 xDrive50i M Performance Package’s standard 4.4 turbo V8 produces 128 more horsepower (430 vs. 302) and 177 lbs.-ft. more torque (450 vs. 273) than the GLK-Class’ 3.5 DOHC V6.

Fuel Economy and Range Comparison

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Regenerative brakes improve the X6’s fuel efficiency by converting inertia back into energy instead of wasting it. The GLK-Class doesn’t offer a regenerative braking system.

The X6 has 6.8 gallons more fuel capacity than the GLK-Class Diesel’s standard fuel tank (22.4 vs. 15.6 gallons), for longer range between fill-ups. The X6 has 5 gallons more fuel capacity than the GLK-Class Gas’ standard fuel tank (22.4 vs. 17.4 gallons).

Brakes and Stopping Comparison

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For better stopping power the X6’s brake rotors are larger than those on the GLK-Class:

X6 xDrive35i

X6 xDrive50i

GLK-Class

Front Rotors

13.7 inches

14.4 inches

13 inches

Rear Rotors

12.6 inches

13.6 inches

11.8 inches

Tires and Wheels Comparison

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For better traction, the X6 has larger standard tires than the GLK-Class (255/50R19 vs. 235/50R19). The X6’s optional tires are larger than the largest tires available on the GLK-Class (F:275/40R20 & R:315/35R20 vs. 255/45R20).

The X6’s optional 275/40R20 front and 315/35R20 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 GLK-Class’ optional 45 series tires.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the X6 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The GLK-Class doesn’t offer run-flat tires.

Suspension and Handling Comparison

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The X6 offers 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 GLK-Class doesn’t offer an active sway bar system.

The X6 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 GLK-Class.

The X6 has a standard automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The GLK-Class doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the X6’s wheelbase is 7 inches longer than on the GLK-Class (115.5 inches vs. 108.5 inches).

For better handling and stability, the track (width between the wheels) on the X6 is 4.6 inches wider in the front and 4.7 inches wider in the rear than on the GLK-Class.

Passenger Space Comparison

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The X6 has 4.7 inches more front shoulder room, .8 inches more rear legroom and 1.6 inches more rear shoulder room than the GLK-Class.

Cargo Capacity Comparison

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The X6 has a much larger cargo area with its rear seat up than the GLK-Class with its rear seat up (25.6 vs. 23.3 cubic feet). The X6 has a much larger cargo area with its rear seat folded than the GLK-Class with its rear seat folded (59.7 vs. 54.7 cubic feet).

Ergonomics Comparison

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The X6’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the GLK-Class.

The X6 offers an optional heads-up display which projects speed and other key instrumentation readouts onto the windshield, allowing drivers to view information without diverting their eyes from the road. The GLK-Class doesn’t offer a heads-up display.

Heated windshield washer nozzles are standard on the X6 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The GLK-Class doesn’t offer heated windshield washer nozzles.

The X6 has standard heated front seats. Heated front seats cost extra on the GLK-Class. The X6 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the GLK-Class.

The X6’s optional air conditioned front seats cool the driver and front passenger and help take the sting out of hot leather in Summer. The GLK-Class doesn’t offer air conditioned front seats.

Economic Advantages Comparison

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The X6 will cost the buyer less in the long run because of its superior resale value. Kiplinger’s estimates that the X6 will retain a greater percentage of its original price after three and five years than the GLK-Class.

X6

GLK-Class

Five Year

38% to 39%

32%

Three Year

56% to 58%

46%

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