2020 Mercedes GLC Coupe vs. 2020 Porsche Macan

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 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 2019/11/21

The GLC Coupe’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Macan doesn’t offer pre-crash pretensioners.

The GLC Coupe has standard NECK-PRO front head restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the NECK-PRO front head restraints system moves the headrests forward to prevent neck and spine injuries. The Macan doesn’t offer a whiplash protection system.

To help make backing safer, the GLC Coupe’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Macan doesn’t offer a cross-path warning system.

The GLC Coupe’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Macan doesn’t offer a driver alert monitor.

Both the GLC Coupe and the Macan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height-adjustable front shoulder belts, four-wheel antilock brakes, all-wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems and around view monitors.

Warranty

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There are over 2 times as many Mercedes dealers as there are Porsche dealers, which makes it much easier should you ever need service under the GLC Coupe’s warranty.

Reliability

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J.D. Power and Associates rated the GLC Coupe third among compact premium suvs in their 2019 Initial Quality Study. The Macan isn’t in the top three.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Porsche vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 2 more problems per 100 vehicles, Porsche is ranked 15th.

Engine

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The GLC Coupe’s 2.0 turbo 4 cyl. produces 7 more horsepower (255 vs. 248) than the Macan’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

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On the EPA test cycle the GLC 300 Coupe gets better fuel mileage than the Macan Auto turbo 4 cyl. (21 city/28 hwy vs. 19 city/23 hwy).

Transmission

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A nine-speed automatic is standard on the Mercedes GLC Coupe, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Macan.

Tires and Wheels

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The GLC Coupe’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the Macan’s standard 60 series front tires.

For better ride, handling and brake cooling the GLC Coupe has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Macan.

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. The Macan doesn’t offer run-flat tires.

Suspension and Handling

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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 Macan doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the GLC Coupe’s wheelbase is 2.6 inches longer than on the Macan (113.1 inches vs. 110.5 inches).

For better maneuverability, the GLC 300 Coupe’s turning circle is .6 feet tighter than the Macan Turbo’s (38.7 feet vs. 39.3 feet).

Chassis

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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 Macan (.35 to .37) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLC Coupe get better fuel mileage.

Passenger Space

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

Cargo Capacity

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Pressing a switch automatically lowers the GLC Coupe’s rear seats, to make changing between passengers and cargo easier. The Macan doesn’t offer automatic folding seats.

To make loading groceries and cargo easier when your hands are full, the GLC Coupe’s available liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Macan doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Ergonomics

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The GLC Coupe has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Macan doesn’t offer a remote starting system.

The GLC Coupe’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Macan.

The GLC Coupe offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Macan doesn’t offer a heads-up display.

If the windows are left open on the GLC Coupe the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can also lower the windows the same way. The driver of the Macan can only operate the windows from inside the vehicle, with the ignition on.

The GLC Coupe’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 Macan’s cruise control switches are unlit, making them difficult to find at night and operate safely.

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

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the GLC Coupe has standard extendable sun visors. The Macan doesn’t offer extendable visors.

The GLC Coupe has a 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 Macan doesn’t offer a house-current electrical outlet.

The GLC Coupe’s optional Active Parking Assist can parallel park or back into a parking spot by itself, starting and stopping automatically, with the driver only responsible for switching from reverse to drive. The Macan doesn’t offer an automated parking system.

Economic Advantages

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According to The Car Book by Jack Gillis, the GLC Coupe is less expensive to operate than the Macan because it costs $18 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the GLC Coupe than the Macan, including $399 less for a muffler, $50 less for front brake pads, $3 less for a fuel pump and $772 less for a timing belt/chain.

Recommendations

© 1999 - 2019 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 2019/11/21

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

The Mercedes GLC outsold the Porsche Macan by over three to one during the 2019 model year.

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