2025 BMW X5 vs 2026 Mercedes-Benz GLS

The 2025 BMW X5 had gracefully evolved, maintaining its distinctive proportions while incorporating intriguing details. The cab-rearward profile and rounded fender arches were complemented by arrow-shaped lighting elements in the headlights and taillights, which featured a three-dimensional shape. The front fascia was somewhat busy, but the twin-kidney grille remained a reasonable size. The optional M Sport Package added sportier bumpers and Shadowline trim, with further upgrades available. The X5 celebrated its 25th anniversary with a limited-production Silver Anniversary Edition, showcasing unique trim options and an off-road package. Inside, the X5's interior evolved gradually, retaining a connection to previous generations with a quality feel, albeit plainer than some competitors. The Silver Anniversary Edition featured carbon fiber trim and illuminated graphics, enhancing its appeal.

The 2026 Mercedes-Benz GLS offered a range of models, including the GLS 450, GLS 580, AMG GLS 63, and Maybach GLS 600, with prices from $91,600 to $181,350. The GLS 450 test vehicle featured the new Manufaktur Edition Package, adding AMG wheels, styling packages, and exclusive interior upgrades. The GLS boasted high-quality materials and detailing, though body creaks were noted on chilly mornings. The interior was similar to the smaller GLE-Class, with standard artificial leather upholstery and various trim options. The dual 12.3-inch displays were well-integrated, and the MBUX infotainment system was user-friendly. The GLS provided a tailored feel, accommodating passengers comfortably while offering a composed ride and solid dynamics.

The 2025 BMW X5 offered a range of powertrain options, starting with the RWD sDrive40i and AWD xDrive40i, both powered by a turbocharged 3.0-liter inline-six producing 375 horsepower and 398 pound-feet of torque, achieving 0-60 mph in 5.3 seconds. The AWD-only X5 M60i xDrive featured a 4.4-liter twin-turbo V8 with 523 hp and 553 lb-ft of torque, reaching 0-60 mph in 4.2 seconds. Both models shared an eight-speed automatic transmission and a 48-volt mild hybrid system. The X5 plug-in hybrid combined the inline-six with a larger electric motor, delivering a total output of 483 hp and 516 lb-ft, with an estimated 0-60 mph time of 4.6 seconds and up to 39 miles of all-electric range. The Silver Anniversary Edition included the xOffroad Package, enhancing off-road capabilities but compromising on-road dynamics.

The 2026 Mercedes-Benz GLS 450 was powered by a turbocharged 3.0-liter inline-six with mild-hybrid assist, producing 375 horsepower and 369 pound-feet of torque. Paired with a nine-speed automatic transmission and standard 4Matic AWD, it accelerated from 0-60 mph in 5.8 seconds. The GLS offered various driving modes, including Comfort, Eco, Sport, Off-Road, and Individual, with a standard Airmatic adaptive suspension and a towing capacity of 7,700 pounds. The GLS provided a tailored feel, accommodating passengers comfortably while offering a composed ride and solid dynamics. The powertrain exhibited occasional delays in responsiveness, but the turbo-six delivered a sensational sound under hard acceleration.

The 2025 BMW X5 was a two-row, five-seater SUV with generous passenger space, though not class-leading. It offered slightly less first-row legroom than some competitors but provided more headroom. The sport seats were appreciated for their bolstering during cornering and comfort on long drives. The X5's cargo space was competitive, with 33.9 cubic feet behind the rear seats and 72.3 cubic feet with the second row folded. The split tailgate was a unique feature, providing convenience for loading and unloading. The X5's towing capacity was 7,200 pounds, reasonable for its size.

The 2026 Mercedes-Benz GLS offered standard seven-passenger seating, with a six-passenger configuration available. The GLS provided exceptional comfort, with features like four-zone climate control, heated and ventilated seats, and optional massaging seats. The six-passenger configuration included power-operated captain's chairs with generous legroom. The third-row seat offered good thigh support but limited legroom. Storage space was limited, but the cargo area provided 17.4 cubic feet behind the third row, expanding to 84.7 cubic feet with the second row folded. The GLS accommodated luggage easily, though the cargo cover could be cumbersome.

The 2025 BMW X5 featured a curved dashboard display with a 12.3-inch digital instrument cluster and a 14.9-inch infotainment touchscreen, running BMW Operating System 8. The system offered wireless Apple CarPlay and Android Auto, with intuitive controls via a rotary controller, touchscreen, voice recognition, and gesture control. The instrument cluster layout was distinctive and easy to read, with augmented reality navigation and digital key connectivity as welcome additions.

The 2026 Mercedes-Benz GLS featured dual 12.3-inch displays with the MBUX infotainment system, offering wireless Apple CarPlay and Android Auto, augmented reality navigation, and online music access. The standard Burmester surround-sound system provided excellent audio quality, with options for gesture control, a head-up display, and rear infotainment screens. MBUX was user-friendly, with a digital assistant capable of executing various commands, though it occasionally struggled with specific requests.

The 2025 BMW X5 came with standard Active Driving Assistant features, including lane-keep assist, lane-departure warning, blind-spot monitoring, automatic emergency braking, and forward collision warning. The optional Driving Assistance Professional Package added Highway Assistant, a hands-free system for speeds up to 85 mph. The X5 earned a Top Safety Pick+ award from the IIHS and a four-star overall safety rating from the NHTSA.

The 2026 Mercedes-Benz GLS included nearly 40 safety and driver-assistance systems, such as Pre-Safe, Crosswind Assist, and Active Emergency Stop Assist. The Car-to-X Communication system prepared for future road hazard warnings. Parking assistance was comprehensive, but rear-seat side-impact airbags were optional. The GLS required active driver participation, with a hands-on system that performed well in most situations but struggled on curvy roads.