2021 Mercedes-Benz GLS vs 2021 Audi Q5

The 2021 Mercedes-Benz GLS, a continuation of the third generation introduced in 2020, was a luxurious SUV that offered a blend of practicality and opulence. Originally launched as the GL-Class in 2006, it was intended to replace the G-Class, but the latter's popularity ensured its survival. The GLS, with its three rows and plush interior, became a family-friendly alternative to the Navigator and Escalade. The transition from "GL" to "GLS" during its second generation marked a shift towards a more refined design. Despite its size, the GLS appeared less bulky due to its softened angles and sleek lines. Inside, the futuristic cabin was dominated by a massive digital screen, emphasizing the vehicle's tech-centric nature. The GLS was available in three trims: GLS 450, GLS 580, and the high-performance AMG GLS 63, each offering a range of standard and optional features to enhance comfort and convenience.

The 2021 Audi Q5 was a sharp-looking crossover SUV that embodied Audi's design language while maintaining its unique character. Its expressive front featured LED headlights and a prominent Singleframe grille, emphasizing width. The body showcased crisp character lines, and the rear boasted bold taillights, contributing to its classy and modern appearance. The Q5 PHEV variant stood out with S-Line trim enhancements and standard 19-inch wheels, with optional 20-inch wheels available. Inside, the Q5 offered a sophisticated and modern environment, with technology seamlessly integrated into an uncluttered design. High-quality materials, including real wood and metal, added authenticity to the interior. The 10.1-inch touchscreen was strategically positioned for easy access, and the second row featured standard leather upholstery, ensuring comfort for all passengers.

The 2021 Mercedes-Benz GLS offered a range of powerful engine options. The entry-level GLS 450 was equipped with a twin-turbocharged 3.0-litre inline-six engine, producing 362 horsepower and 369 pound-feet of torque. The GLS 580 4MATIC featured a twin-turbocharged 4.0-litre V8, delivering 483 hp and 516 lb-ft. Both models utilized a nine-speed automatic transmission and Mercedes' 4MATIC all-wheel drive system. The AMG GLS 63, with its hand-crafted 4.0-litre twin-turbo V8 engine, generated an impressive 603 hp and 627 lb-ft of torque. This powerhouse was paired with a nine-speed AMG twin-clutch automatic transmission, providing exhilarating performance. The GLS 63 could accelerate from 0 to 100 km/h in just 4.2 seconds, reaching a top speed of 280 km/h. The adaptive air suspension system allowed for adjustable ground clearance, enhancing both comfort and handling. Multiple drive modes, including Comfort, Sport, and Sport+, allowed drivers to tailor the driving experience to their preferences.

The 2021 Audi Q5 PHEV took the already enjoyable Q5 and enhanced it with a plug-in hybrid powertrain. The combination of a 2.0-litre turbocharged inline four-cylinder engine and an electric motor produced a total output of 362 hp and 373 lb-ft of torque. This setup provided impressive acceleration, with the Q5 PHEV reaching 100 km/h in 5.3 seconds. The 14.1-kWh battery contributed to a fuel efficiency rating of 4.7 litres-equivalent per 100 km combined. The Q5 PHEV's drivetrain featured a seven-speed S Tronic automatic transmission and full-time Quattro all-wheel drive. Drivers could choose between different modes, including electric-only driving for up to 31 km, hybrid mode, or reserving battery power for later use. The Q5's handling was characterized by speed-sensitive electromechanical power steering and a four-wheel independent suspension, providing a balance of comfort and road feel.

The 2021 Mercedes-Benz GLS offered three rows of spacious seating, accommodating up to seven passengers. Optional second-row captain's chairs reduced seating capacity to six. The front and second-row occupants enjoyed ample headroom and legroom, while the third row, though less spacious, was still suitable for adults. The GLS provided 355 litres of cargo space behind the third row, expanding to 1,209 litres with the third row folded. With both the second and third rows folded, total cargo space reached 2,400 litres. The GLS featured numerous storage compartments, including spacious in-door bins and a centre console with butterfly doors.

The 2021 Audi Q5 PHEV excelled in smart packaging, with its battery pack located under the luggage compartment floor, preserving cargo space. It offered 710 litres of space behind the second row, expanding to 1,503 litres with the second row folded. The second row provided reasonable legroom and ample headroom and shoulder room, accommodating two adults comfortably. The front seats were equipped with Audi's sport seats, offering a wide range of adjustments, heating, and optional ventilation. The Q5's interior featured well-placed cupholders, cubbies, and a centre-console storage bin, ensuring practicality and convenience.

The 2021 Mercedes-Benz GLS featured the MBUX infotainment system, characterized by a massive touch screen and a trackpad controller. The system supported Apple CarPlay and Android Auto, though a USB-C cable was required for connectivity. The MBUX voice-control system allowed for complex commands, enhancing convenience. The digital dash extended to the fully digital instrument panel, both controlled by touch-sensitive pads on the steering wheel. The system offered a variety of display options, providing a customizable and tech-savvy experience.

The 2021 Audi Q5 PHEV boasted Audi's latest MMI 10.1-inch touchscreen infotainment system, complemented by the Audi Virtual Cockpit Plus 12.3-inch HD instrument cluster. The customizable instrument panel offered three views, enhancing the cabin's futuristic appeal. The Q5 featured a Bang & Olufsen 3D audio system with 19 speakers, delivering exceptional sound quality. Wireless Apple CarPlay and wired Android Auto were included, ensuring seamless connectivity.

The 2021 Mercedes-Benz GLS came equipped with a comprehensive suite of driver-assistance features, including Active Brake Assist, rain-sensing wipers, and automatic high beams. Additional safety features included automatic parking assist, a driver-drowsiness monitor, and crosswind assist. Available safety technologies included lane-change assist, adaptive cruise control, blind spot monitoring, and rear cross-traffic alert. The GLS was equipped with a full array of airbags, traction control, self-tensioning seatbelts, and a tire-pressure monitoring system.

The 2021 Audi Q5 PHEV had not been rated by the IIHS, but the 2020 gasoline-only model received top ratings in most categories. The NHTSA awarded the 2021 gasoline model five stars. Safety features included six airbags, an anti-lock braking system with brake assist, and electronic stability control. Available driver-assistance features included Audi Pre Sense front, Audi Side Assist, adaptive cruise control, and traffic-sign recognition.