2022 Mercedes-Benz GLB vs 2025 Porsche Cayenne

The 2022 Mercedes-Benz GLB was positioned between the GLA and GLC in the automaker's SUV lineup, offering both GLB250 and AMG GLB35 specifications. The GLB250 came with either front-wheel drive or 4Matic all-wheel drive, while the AMG GLB35 boasted a more powerful drivetrain and a sophisticated AWD system. The model year introduced a few updates, including satellite radio in the Premium Package and a new AMG Night Package Plus with black grille louvers and badges. The AMG GLB35 also offered a new Rose Gold paint color. Starting at $38,600 for the GLB250, the AMG GLB35 began at $51,000, with options pushing the price to $57,250. Despite its boxy design, the GLB's interior was a highlight, featuring high-definition displays and ambient lighting. However, the controls required acclimation, and the cabin quality reflected its entry-level status. Road noise was notably loud, especially with the optional 21-inch wheels.

The 2025 Porsche Cayenne was available as a standard SUV or a sporty Cayenne Coupe, with trim levels ranging from the base Cayenne to the high-performance Cayenne Turbo GT. The GTS trim, which was the focus of this review, featured high gloss black trim, bronze exhaust tips, and a unique front fascia with larger air intakes. The GTS was powered by a twin-turbo 4.0-liter V8 engine producing 493 hp and 486 lb-ft of torque, paired with an eight-speed transmission and all-wheel drive. The Cayenne GTS was praised for its balance between sporty performance and comfort, with precise steering and an agile suspension system. The interior offered extensive customization options, though many features came at an additional cost. The Cayenne could tow over 7,700 pounds and offered decent cargo space, though it lacked a third-row seating option.

The 2022 Mercedes-Benz GLB featured a turbocharged 2.0-liter four-cylinder engine in both the GLB250 and AMG GLB35 versions. The AMG GLB35 was enhanced to deliver 302 horsepower and 295 pound-feet of torque, significantly more than the GLB250. It also included an AMG SpeedShift eight-speed dual-clutch automatic transmission, AMG Performance variable 4Matic AWD, and an AMG Sport Exhaust system. The AMG GLB35 could accelerate to 60 mph in 5.1 seconds, with an EPA fuel economy rating of 22 mpg in combined driving. The AMG High-Performance Braking System and AMG Ride Control adaptive damping sport suspension were standard, emphasizing performance over comfort. The AMG GLB35 excelled on twisty roads, offering a thrilling driving experience, though it was firm and loud in other settings.

The 2025 Porsche Cayenne offered a range of engines, with the GTS trim featuring a twin-turbo 4.0-liter V8 producing 493 hp and 486 lb-ft of torque. The Cayenne GTS could reach 60 mph in 4.2 seconds and had a top speed of 171 mph. The GTS trim struck a balance between sporty performance and comfort, with precise steering and an agile suspension system. The Cayenne's steering components, borrowed from the Turbo GT, allowed for more precise turn-in, and the vehicle's low center of gravity contributed to its agility. The Cayenne GTS was equipped with optional carbon ceramic brakes, providing ample stopping power. In Sport and Sport Plus modes, the Cayenne GTS delivered an engaging driving experience, while Normal mode offered a comfortable ride for daily driving.

The 2022 Mercedes-Benz GLB offered a spacious interior for a small SUV, with an optional third-row seat suitable for children. Standard features included dual-zone automatic climate control and eight-way power-adjustable front seats, with options for heated and ventilated seats, a heated steering wheel, and a panoramic sunroof. The GLB provided 22 cubic feet of cargo space behind the second row, expanding to 62 cubic feet with the seats folded. The third-row seat reduced storage space and was not ideal for U.S. buyers seeking a three-row SUV.

The 2025 Porsche Cayenne offered a customizable interior with options for carbon fiber, aluminum, or bronze Neodyme accents. The Cayenne could accommodate five passengers, with a comfortable second row and ample headroom. The Cayenne's cargo space was slightly smaller than competitors, with 27.3 cubic feet behind the second row and 60 cubic feet with the seats folded. The Cayenne could tow over 7,700 pounds and had a payload capacity of over 1,400 pounds. The plug-in hybrid versions had slightly reduced cargo space due to the battery.

The 2022 Mercedes-Benz GLB featured the Mercedes Benz User Experience (MBUX) infotainment system, with a 10.25-inch digital gauge cluster and touchscreen display. Standard features included Bluetooth, Apple CarPlay, Android Auto, and Mercedes Me connected services. Optional upgrades included satellite radio, a navigation system with augmented reality, wireless smartphone charging, a Burmester audio system, and a head-up display. The MBUX system was user-friendly, with natural voice recognition and multiple control options.

The 2025 Porsche Cayenne boasted a 12.6-inch digital gauge cluster and a 12.3-inch touchscreen display with the Porsche Communication Management system. Standard features included wireless Apple CarPlay, Android Auto, Spotify, Apple Music, and a Wi-Fi hotspot. An optional 10.9-inch passenger screen allowed for navigation and media control. The Cayenne also offered a head-up display, night-vision assist, and four USB-C charging ports. The infotainment system was intuitive and responsive, with voice control options.

The 2022 Mercedes-Benz GLB lacked the optional Driver Assistance Package, which included adaptive cruise control, lane-centering assistance, and other advanced safety features. Standard safety features included Active Brake Assist, blind-spot monitoring, and Mercedes-Benz emergency call service. Crash-test ratings for the GLB were unavailable.

The 2025 Porsche Cayenne offered standard parking sensors, forward collision warning, and blind-spot monitoring. However, adaptive cruise control, lane-keeping assist, and lane-departure warning were optional. The Cayenne had not been rated by the NHTSA or IIHS for safety.