2021 Mercedes-Benz GLB vs 2021 Cadillac XT6

The 2021 Mercedes-Benz GLB, introduced in 2020, was a fresh addition to the Mercedes-Benz SUV lineup, fitting between the smaller GLA and the larger GLC. Despite its unique dimensions, the GLB shared a strong family resemblance with its siblings, making it difficult to distinguish without checking the badge. Its design was characterized by an athletic stance and a generous 20 centimetres of ground clearance, offering a more forgiving ride over uneven surfaces. Inside, the GLB impressed with its modern and stylish cabin, featuring round design elements and polished metal details that evoked an aerospace vibe. The single panel housing the virtual instrument cluster and infotainment screen added to the elegant interior, complemented by the high-quality fit and finish typical of Mercedes-Benz.

The 2021 Cadillac XT6 exuded sophistication, sharing styling cues with the XT4 and XT5. The XT6 Sport trim featured a distinctive grille with darkened accents and rode on 20-inch diamond-cut alloy wheels, enhancing its premium appearance. The XT6 was available in eight paint colours, with most requiring an additional surcharge. Inside, the XT6's cabin was reminiscent of the XT5, offering four colour options and the possibility of upgrading to semi-aniline leather upholstery with the Platinum Package. While the seats were a highlight, the dashboard area was less premium, with some cheaper-looking elements. However, the XT6 offered ample cargo space, especially with the power-folding third-row seats, making it practical for families.

The 2021 Mercedes-Benz GLB was equipped with a turbocharged 2.0-litre inline-4 engine, producing 221 horsepower and 258 lb-ft of torque, paired with an eight-speed dual-clutch automatic transmission. The GLB's 4MATIC all-wheel drive system was standard in Canada, providing better handling in various conditions. With a curb weight of 1,765 kilograms, the GLB delivered a 0-100 km/h time of 6.9 seconds and a top speed of 210 km/h. The GLB's powertrain offered a linear and predictable performance, suitable for family use, while the 4MATIC system enhanced driving feel and off-road capability.

The 2021 Cadillac XT6 Sport was powered by a 3.6-litre V6 engine, delivering 310 horsepower and 271 lb-ft of torque, paired with a nine-speed automatic transmission. The XT6's V6 engine provided smooth acceleration, but the SUV's weight of 2,127 kilograms affected its driving dynamics. The XT6's AWD system was standard in Canada, but its weight distribution impacted its agility compared to competitors. The XT6's fuel economy was on par with rivals, with the V6 engine consuming 13.1 L/100 km in the city and 9.5 on the highway.

The 2021 Mercedes-Benz GLB offered the option of a third-row seat, affecting the second row and cargo space. The second row featured a 40:20:40 split seatback with adjustable recline and sliding capabilities. In the seven-passenger GLB, the third row was retractable, providing flexibility for passengers or cargo. The GLB's cargo space varied depending on the seating configuration, with up to 1,755 litres available. The front seats were comfortable and highly adjustable, while the second row offered ample comfort for two adults.

The 2021 Cadillac XT6 provided standard seating for seven, with the option to upgrade to captain's chairs in the second row. The third row accommodated adults, a feature that was becoming more common in midsize SUVs. However, the XT6 offered less space in all three rows compared to some competitors. The interior storage was limited, and the wireless phone charger was not easily accessible. The XT6 excelled in cargo space, with power-folding third-row seats and a power liftgate, although the cargo load floor was relatively high.

The 2021 Mercedes-Benz GLB was equipped with the latest Mercedes-Benz User Experience (MBUX) infotainment system, featuring voice control and natural language understanding. The standard 7-inch digital instrument cluster and touchscreen multimedia display could be upgraded to 10.25 inches with the Premium Package. The GLB offered smartphone integration, a power liftgate, and optional features like a Burmester Surround Sound System, augmented reality navigation, and adaptive suspension damping.

The 2021 Cadillac XT6 featured an 8.0-inch touchscreen infotainment system with user profiles, Bluetooth, and wireless Apple CarPlay and Android Auto. Standard features included tri-zone climate control, a WiFi hotspot, and an eight-speaker Bose audio system. Buyers could upgrade to a 14-speaker Bose system, navigation, and enhanced wireless charging. The XT6's technology was suitable for its class, but the infotainment screen was smaller than some competitors.

The 2021 Mercedes-Benz GLB came with a range of standard safety features, including active brake assist, adaptive braking technology, and crosswind assist. Optional safety features included active LED headlamps, adaptive cruise control, and the Advanced Driver Assistance Package, which added features like active steering assist and active lane-keeping assist. The GLB had not yet been rated by the NHTSA or IIHS.

The 2021 Cadillac XT6 was equipped with standard safety features such as automatic emergency braking, forward-collision alert, and lane-keep assist. Premium Luxury and Sport models added blind-spot monitoring and rear cross-traffic alert. The XT6's lane-keep assist system struggled with accuracy, but buyers could upgrade to the Driver Assist Package for additional features. The XT6 received a five-star frontal crash test rating from the NHTSA and was named a "Top Safety Pick+" by the IIHS.