2021 Mercedes-Benz GLS vs 2022 Kia Carnival

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 designed 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" occurred during the second generation, marking a shift towards a more refined design. The 2021 model featured softened angles and a sleek appearance, with a futuristic cabin dominated by a massive digital screen that highlighted its tech-centric nature. Available in three trims—GLS 450, GLS 580, and the AMG GLS 63—the GLS offered a range of standard features, including remote keyless entry, nine USB ports, and a 13-speaker Burmester sound system. Various option packages allowed for further customization, enhancing comfort and performance.

In contrast, the 2022 Kia Carnival was a fresh entry in the minivan segment, boasting unique design elements across its trims. The LX and LX+ trims featured a distinctive black grille and 17-inch aluminum wheels, while the EX trim offered more paint options, 19-inch wheels, and simulated leather. The SX trim added black wheels, real leather, and VIP Lounge Seats, which were a standout feature. The Carnival's SUV-inspired design included skid plates, a floating roof, and roof rails, with character lines cleverly integrating the sliding door tracks. Its sharp, angular design set it apart from competitors like the Chrysler Pacifica and Honda Odyssey. Inside, the Carnival continued the SUV theme with a stylish dashboard and centre console, offering an upscale feel even in base trims.

The 2021 Mercedes-Benz GLS offered a range of powerful engines, starting with the GLS 450's twin-turbocharged 3.0-litre inline-six, producing 362 horsepower and 369 lb-ft 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 AWD system. The AMG GLS 63, with its hand-crafted 4.0-litre twin-turbo V8, generated an impressive 603 hp and 627 lb-ft of torque, achieving 0-100 km/h in just 4.2 seconds. All engines included the EQ Boost 48-volt mild-hybrid system, adding 21 hp and 184 lb-ft when needed. The GLS 63's adaptive air suspension and multiple drive modes provided a smooth, agile driving experience, with precise cornering and effortless handling.

The 2022 Kia Carnival was equipped with a new 3.5-litre V6 engine, producing 290 horsepower and 262 lb-ft of torque, paired with an eight-speed automatic transmission driving the front wheels. While lacking AWD and electrified options, the Carnival offered a towing capacity of 1,587.5 kg. The V6 engine provided smooth acceleration, and the transmission operated seamlessly. Four driving modes—Normal, Eco, Sport, and Smart—allowed for tailored performance, though Smart mode occasionally delayed downshifts. Fuel efficiency was reasonable, with an average of 10.8 L/100 km during testing. The Carnival's front-wheel-drive setup delivered a taut, athletic feel, with flat cornering and minimal tire noise. However, it could feel stiff over uneven surfaces, potentially improving with a full load.

The 2021 Mercedes-Benz GLS offered spacious seating across three rows, with ample headroom and legroom for first- and second-row passengers. Standard seven-passenger seating could be reduced to six with optional captain's chairs. The third row, while less spacious, accommodated full-size adults comfortably. The GLS provided 355 litres of cargo space behind the third row, expanding to 1,209 litres with the third row folded, and 2,400 litres with both rear rows down. The power-folding third row and numerous storage compartments added convenience, though the centre console was somewhat limited in size.

The 2022 Kia Carnival excelled in practicality, with eight-passenger seating on most trims. The second-row bench offered flexibility, with a sliding middle seat for easy access or additional space. The SX trim featured VIP Lounge Seats with power adjustments, heating, ventilation, and leg rests, though they limited cargo capacity. The third row was comfortable for adults, with ample cargo space behind it. The Carnival's smart power-sliding doors and liftgate provided convenience, though they could activate unintentionally. With the third row folded, cargo space increased to 2,460 litres, and removing the second row expanded it to 4,110 litres, surpassing many competitors.

The 2021 Mercedes-Benz GLS featured the MBUX infotainment system, with a large touch screen and trackpad for navigation. It included Apple CarPlay and Android Auto, though a USB-C cable was required. The voice-control system responded to "Mercedes" or "Hey Mercedes," offering functionality similar to Siri or Alexa. The digital dash extended to the instrument panel, with touch-sensitive steering wheel controls for customization. While there was a learning curve, the system enhanced the GLS's tech-savvy appeal.

The 2022 Kia Carnival's technology varied by trim, with the LX offering an 8-inch touchscreen and analog gauges. Higher trims featured a 12.3-inch widescreen infotainment system with navigation, voice recognition, and UVO Link services. The EX+ and SX trims added a digital instrument cluster and a 12-speaker Bose audio system. A Passenger View camera and Blind View Monitor enhanced safety and convenience. While the technology was generally intuitive, a comprehensive guide was provided to help users navigate the features.

The 2021 Mercedes-Benz GLS came equipped with numerous driver-assistance features, including Active Brake Assist, rain-sensing wipers, and automatic high beams. Additional safety tech included lane-change assist, adaptive cruise control, blind spot monitoring, and rear cross-traffic alert. The GLS also featured a full array of airbags, traction control, and a tire-pressure monitoring system, ensuring comprehensive safety coverage.

The 2022 Kia Carnival offered an extensive list of safety features and ADAS. Standard equipment included forward-collision warning, automatic emergency braking, lane-departure assistance, and rear parking sensors. Higher trims added front parking sensors, blind-spot monitoring, and adaptive cruise control. The Carnival's ultrasonic rear occupant alert system and Safe Exit Assist provided additional safety measures. The IIHS awarded the Carnival a Top Safety Pick rating, though the NHTSA had not yet rated it.