2024 Mercedes-Benz GLS vs 2023 Subaru Outback

The 2023 Subaru Outback received a facelift that gave it a more aggressive appearance. It featured redesigned LED headlights, a restyled grille, and a revised bumper with dark gray vertical cladding, creating the illusion of large air intakes. The addition of a simulated skid plate, oversized fog light housings, and asymmetrical wheel arch trim reminiscent of the Wilderness model contributed to its bold look. While opinions on these changes varied, opting for a dark paint color or the Onyx Edition with black wheels and trim helped to complement the design.

The Onyx Edition became more accessible in 2023, available with both the base and turbocharged powertrains. The standard 2.5-liter engine was offered in various trims, with prices ranging from $28,395 to $39,845, plus a destination charge. The turbocharged XT models, providing better acceleration, were available in higher trims with prices starting at $38,445. The Touring trim, with its upscale interior featuring Java Brown leather and a cohesive design, stood out despite the Outback's styling excesses.

The 2024 Mercedes-Benz GLS exuded a soft sensuality in its design, which, while bordering on boring, aged well. The GLS 450 test vehicle showcased 22-inch AMG rims, a new silver four-louver grille, polished metal accents, and Twilight Blue paint, offering a counter-cultural alternative to the blacked-out trend. Inside, the GLS 450 featured a Bahia Brown over Black interior with natural-grain Grey Oak, contrast stitching, and polished aluminum accents, creating a luxurious environment.

The GLS 450, the most affordable version, came with a turbocharged 3.0-liter inline six-cylinder engine with mild-hybrid technology. It offered a smooth driving experience with a nine-speed automatic transmission and variable 4Matic all-wheel-drive system. The test vehicle included AMG Line and Exclusive Trim Packages, enhancing its appeal with features like leather upholstery and adaptive air suspension, bringing the MSRP to $97,730.

The 2023 Subaru Outback featured horizontally opposed engines, known for their flat design and characteristic grumble. The standard engine produced 182 horsepower and 176 lb-ft of torque, but the 3,781-pound vehicle felt underpowered, especially during passing and climbing. The EPA estimated 28 mpg in combined driving, but real-world tests returned 25.6 mpg. The turbocharged XT models offered 260 hp and 277 lb-ft of torque, providing better performance but at a higher cost and reduced fuel efficiency.

All Outback models came with a CVT programmed to mimic an eight-speed automatic, paired with an Active Torque Split AWD system. The X-Mode traction system and hill descent control enhanced off-road capabilities, with the Wilderness trim offering 9.5 inches of ground clearance. Despite its powertrain limitations, the Outback excelled in handling and ride quality, making it a capable off-roader and city navigator.

The 2024 Mercedes-Benz GLS 450, with its 375 horsepower and 369 lb-ft of torque, delivered smooth and swift acceleration. The mild-hybrid system added an instant 148 lb-ft of torque, making it lively from a stop. The GLS 450 accelerated to 60 mph in 5.8 seconds, with a towing capacity of 7,700 pounds and a fuel economy rating of 21 mpg combined. The driving experience was sublime, with adaptive air suspension and massive tires contributing to its athleticism.

The GLS 450's nine-speed automatic transmission and variable 4Matic AWD system offered multiple driving modes, enhancing its versatility. The Off-Road menu within MBUX provided a transparent view of the terrain, and the GLS 580 model offered an Off-Road Package for added capability. The GLS excelled in handling and braking, providing a smooth and controlled ride.

The 2023 Subaru Outback prioritized utility with features like a robust roof rack and flat door sills. The Touring trim offered comfort with power-adjustable seats, premium Nappa leather, and heated front and rear seats. The interior provided ample space for passengers and cargo, with 32.6 cubic feet behind the back seat and 75.6 cubic feet with the seats folded. The Outback's design facilitated easy entry and exit, and its cargo area accommodated various needs.

The 2024 Mercedes-Benz GLS, with the AMG Line package, featured sportier styling that could hinder entry and exit. The interior boasted luxurious materials, massaging front seats, and a four-zone climate control system. The second-row captain’s chairs offered comfort, while the third-row access was cumbersome. Cargo space was generous, with 17.4 cubic feet behind the third row and up to 84.7 cubic feet with seats folded.

The 2023 Subaru Outback, except for the Base trim, featured an 11.6-inch Starlink touchscreen infotainment system. It included wireless Apple CarPlay and Android Auto, a 4G LTE Wi-Fi hotspot, and optional navigation and premium audio. The system's usability improved, but voice recognition was lacking. Additional tech included a digital rearview mirror and a front-view camera, though a surround-view camera was unavailable.

The 2024 Mercedes-Benz GLS came with the latest MBUX infotainment system, featuring dual 12.3-inch displays. The system offered improved graphics and themes, though touch-sensitive controls caused occasional frustration. MBUX excelled in touchscreen operation, voice recognition, and augmented reality navigation, setting a high standard for automotive technology.

The 2023 Subaru Outback featured new EyeSight cameras and an electronic brake booster, earning top safety marks from the IIHS. EyeSight included adaptive cruise control, forward-collision warning, and lane-keeping assist. Additional features like Automatic Emergency Steering and a Wide-Angle Mono Camera enhanced safety, though some systems felt artificial in operation.

The 2024 Mercedes-Benz GLS offered over 20 significant safety features, adjustable through MBUX. The ADAS provided smooth and transparent operation, with effective forward-collision warning, lane-departure warning, and lane-keeping assist. The adaptive cruise control and lane-centering assist systems performed well, with only minor issues during testing.