Compare the2023 Mercedes GLC CoupeVS 2023 BMW X6

For enhanced safety, the front and rear seat shoulder belts of the Mercedes GLC Coupe have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The BMW X6 doesn’t offer pretensioners for its rear seat belts.

For enhanced safety, the front seat shoulder belts of the Mercedes GLC Coupe 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 BMW X6 doesn’t offer height-adjustable seat belts.

Both the GLC Coupe and X6 have rear cross-traffic warning, but the GLC Coupe has Active Brake Assist (automatically applies the brakes) to better prevent a collision when backing near traffic. The X6’s Cross Traffic Warning doesn’t automatically brake.

Both the GLC Coupe and the X6 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, rear cross-path warning, driver alert monitors and available lane departure warning systems.

There are over 9 percent more Mercedes dealers than there are BMW dealers, which makes it easier should you ever need service under the GLC Coupe’s warranty.

On the EPA test cycle the GLC 300 Coupe gets better fuel mileage than the X6 M50i (20 city/26 hwy vs. 16 city/22 hwy).

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes GLC Coupe higher (6 out of 10) than the BMW X6 (3). This means the GLC Coupe produces up to 23.4 pounds less smog-producing pollutants than the X6 every 15,000 miles.

A nine-speed automatic is standard on the Mercedes GLC Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the X6.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the GLC Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. Run-flat tires aren’t available on some tire packages on the X6.

The GLC Coupe’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The X6 doesn’t offer drift compensation steering.

For better maneuverability, the GLC 300 Coupe’s turning circle is 2.6 feet tighter than the X6’s (38.7 feet vs. 41.3 feet).

The Mercedes GLC Coupe may be more efficient, handle and accelerate better because it weighs about 900 to 1150 pounds less than the BMW X6.

The GLC Coupe is 11.5 inches shorter than the X6, making the GLC Coupe easier to handle, maneuver and park in tight spaces.

The design of the Mercedes GLC Coupe amounts to more than styling. The GLC Coupe has an aerodynamic coefficient of drag of .33 Cd. That is lower than the X6 (.34 to .35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLC Coupe get better fuel mileage.

The GLC Coupe has .4 inches more front legroom, .8 inches more rear headroom and 1.5 inches more rear legroom than the X6.

For enhanced passenger comfort on long trips the GLC Coupe’s rear seats recline. The X6’s rear seats don’t recline.

Optional Trailer Stability Assist on the GLC Coupe uses the Electronic Stability Program sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The X6 doesn’t offer electronic trailer sway control.

The GLC Coupe offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The X6 doesn’t offer a house-current electrical outlet.

According to The Car Book by Jack Gillis, the GLC Coupe is less expensive to operate than the X6 because it costs $45 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the GLC Coupe than the X6, including $334 less for a water pump, $844 less for a muffler, $4 less for front brake pads, $277 less for a fuel pump, $7 less for front struts, $447 less for a timing belt/chain and $1088 less for a power steering pump.

Motor Trend selected the GLC Coupe as their 2017 Sport Utility of the Year. The X6 has never been chosen.

The Mercedes GLC outsold the BMW X6 by almost five to one during 2022.