Compare the2025 Mercedes GLE CoupeVS 2024 Porsche Cayenne Coupe

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

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the GLE Coupe are reminded to check the back seat if they opened the rear door before starting out. The Cayenne Coupe doesn’t offer a back seat reminder.

Earlier warning of stopped traffic, traffic signals, dangerous road conditions, weather, or accidents, can keep driver's safer and prevent crashes. The GLE Coupe has Car-to-X Communication, a system that seamlessly communicates important warnings to the driver about impending danger, if they're available. The Cayenne Coupe doesn’t offer a system that can receive automated systems from other vehicles.

The GLE 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 Cayenne Coupe doesn’t offer a driver alert monitor.

Both the GLE Coupe and the Cayenne Coupe have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, 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 and available lane departure warning systems.

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

The GLE Coupe’s 3.0 turbo 6-cylinder hybrid produces 27 more horsepower (375 vs. 348) and 1 lbs.-ft. more torque (369 vs. 368) than the Cayenne Coupe’s standard 3.0 turbo V6.

On the EPA test cycle the GLE Coupe gets better mileage than the Cayenne Coupe running its gasoline engine:

The GLE Coupe has 4 gallons more fuel capacity than the Cayenne Coupe S E-Hybrid/Turbo E-Hybrid’s standard fuel tank (22.5 vs. 18.5 gallons), for longer range between fill-ups.

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

For better stopping power the GLE Coupe’s standard brake rotors are larger than those on the Cayenne Coupe:

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The GLE Coupe has standard Brake Assist to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Cayenne Coupe doesn’t offer a brake assist feature.

For better traction, the GLE Coupe has larger standard tires than the Cayenne Coupe (275/50R20 vs. 255/55R20).

The GLE Coupe’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Cayenne Coupe’s standard 55 series front tires.

The GLE 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 Cayenne Coupe doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the GLE Coupe’s wheelbase is 1.6 inches longer than on the Cayenne Coupe (115.6 inches vs. 114 inches).

The GLE Coupe has 2.3 inches more front headroom, .2 inches more front shoulder room and 2 inches more rear shoulder room than the Cayenne Coupe.

The GLE Coupe has a much larger cargo volume with its rear seat up than the Cayenne Coupe with its rear seat up (31.6 vs. 20.9 cubic feet). The GLE Coupe has a much larger cargo volume with its rear seat folded than the Cayenne Coupe with its rear seat folded (64.1 vs. 53 cubic feet).

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

The GLE 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 Cayenne Coupe doesn’t offer a remote starting system.

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

Heated windshield washer fluid is optional on the GLE Coupe to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Cayenne Coupe doesn’t offer heated windshield washer fluid. Its standard heated washer nozzles will defrost the washer fluid but not the windshield.

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

The GLE 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 Cayenne Coupe doesn’t offer a house-current electrical outlet.

The Mercedes GLE Coupe outsold the Porsche Cayenne by almost three to one during 2023.