The GMC Hummer EV SUV, launched in November 2023, represents a significant entry into the burgeoning all-electric SUV market. Building upon the foundation laid by the Hummer EV pickup truck, the SUV variant offers a more practical, though still imposing, package for families and those seeking a blend of off-road capability and electric vehicle efficiency. Positioned as a premium offering, the 170 kWh (570 hp) e4WD model is one of the higher-trim levels available, emphasizing performance and range. It’s a direct response to the growing demand for electric SUVs with substantial capabilities, aiming to redefine the expectations for both on-road comfort and off-road prowess.
Technical Specifications
| Brand | GMC |
| Model | Hummer EV |
| Generation | Hummer EV SUV |
| Type (Engine) | 170 kWh (570 Hp) e4WD |
| Start of production | November, 2023 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | SUV, Targa |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Electricity |
| Maximum speed | 170 km/h (105.63 mph) |
| Gross battery capacity | 170 kWh |
| Battery voltage | 800 V |
| Battery technology | Lithium nickel cobalt manganese aluminum (Li-NCMA) |
| Battery location | Below the floor |
| All-electric range (EPA) | 488 km (303.23 mi) |
| Electric motor 1 location | Rear axle, Transverse |
| Electric motor 1 type | Synchronous |
| Electric motor 2 location | Front axle, Transverse |
| Electric motor 2 type | Synchronous |
| System power | 570 Hp |
| Trunk (boot) space – minimum | 1017 l (35.92 cu. ft.) |
| Trunk (boot) space – maximum | 2316 l (81.79 cu. ft.) |
| Permitted trailer load with brakes (12%) | 4536 kg (10000.17 lbs.) |
| Length | 5250 mm (206.69 in.) |
| Width | 2196 mm (86.46 in.) |
| Width with mirrors folded | 2223 mm (87.52 in.) |
| Width including mirrors | 2380 mm (93.7 in.) |
| Height | 1976 mm (77.8 in.) |
| Wheelbase | 3218 mm (126.69 in.) |
| Front track | 1863 mm (73.35 in.) |
| Rear (Back) track | 1863 mm (73.35 in.) |
| Front overhang | 881 mm (34.69 in.) |
| Rear overhang | 1151 mm (45.31 in.) |
| Ride height (ground clearance) | 259-406 mm (10.2 – 15.98 in.) |
| Minimum turning circle (turning diameter) | 10.8 m (35.43 ft.) |
| Approach angle | 41.4-49.6° |
| Departure angle | 40-49° |
| Ramp-over (brakeover) angle | 23.8-34.4° |
| Climb angle | 31° |
| Wading depth | 660-813 mm (25.98 – 32.01 in.) |
| Drivetrain Architecture | One electric motor drives the front wheels, one electric motor drives the rear wheels. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 1 gears, automatic transmission |
| Front suspension | Double wishbone, Air suspension |
| Rear suspension | Double wishbone, Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system), 4-wheel steering (4WS, active rear steering) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 305/55 R22 |
| Wheel rims size | 9.5J x 22 |
Powertrain & Engine Architecture
The GMC Hummer EV SUV utilizes a dual-motor, all-electric powertrain. The 170 kWh battery pack, employing Li-NCMA chemistry, is mounted low in the vehicle’s chassis to contribute to a lower center of gravity and improved stability. This battery pack powers two synchronous electric motors – one driving the front axle and the other driving the rear axle, providing true all-wheel drive capability. The system delivers a combined output of 570 horsepower. The 800-volt architecture allows for rapid DC fast charging, significantly reducing charging times compared to older 400-volt systems. The single-speed automatic transmission is inherent to electric vehicle design, providing seamless and instant torque delivery. Regenerative braking is also integrated, capturing energy during deceleration to extend range.
Driving Characteristics
The 570 hp e4WD Hummer EV SUV delivers impressive acceleration, estimated at around 3.5 seconds for a 0-60 mph sprint. The instant torque characteristic of electric motors provides a responsive and engaging driving experience. The air suspension system, standard on this trim, offers adjustable ride height, allowing for increased ground clearance for off-road adventures or a lower stance for improved on-road handling. The four-wheel steering system further enhances maneuverability, particularly in tight spaces and during off-road navigation. While the substantial weight of the vehicle (over 6,800 lbs) is noticeable, the low center of gravity and sophisticated suspension mitigate much of the body roll. Compared to potential future higher-performance variants, this trim strikes a balance between exhilarating performance and everyday usability.
Equipment & Trim Levels
The 170 kWh (570 hp) e4WD Hummer EV SUV is a well-equipped vehicle. Standard features include a large 12.3-inch touchscreen infotainment system, a digital instrument cluster, and advanced driver-assistance systems such as adaptive cruise control and lane-keeping assist. Interior upholstery typically consists of premium materials like leather or synthetic leather, with heated and ventilated front seats. Optional extras include a panoramic sunroof, premium audio system, and various off-road packages with features like underbody armor and rock rails. The “Extreme Off-Road Package” is a popular upgrade, further enhancing the vehicle’s capabilities in challenging terrain.
Chassis & Braking
The Hummer EV SUV features a robust chassis designed to withstand the rigors of off-road driving. The independent double-wishbone suspension, coupled with the air suspension system, provides excellent articulation and ride comfort. Ventilated disc brakes are standard on all four wheels, providing ample stopping power. The anti-lock braking system (ABS) is standard, along with electronic stability control. The vehicle’s substantial weight necessitates a powerful braking system, and the Hummer EV SUV delivers in this regard. The standard four-wheel steering system contributes to improved handling and maneuverability.
Market Reception & Comparison
The GMC Hummer EV SUV has garnered significant attention in the automotive press, praised for its bold design, impressive performance, and advanced technology. Critics have noted the vehicle’s high price point as a potential barrier to entry for some buyers. Compared to other electric SUVs, such as the Tesla Model X or the Rivian R1S, the Hummer EV SUV stands out with its more rugged aesthetic and superior off-road capabilities. Fuel economy, measured in MPGe (miles per gallon equivalent), is competitive within the electric SUV segment, though the vehicle’s weight does impact efficiency. Reliability data is still emerging, given the vehicle’s recent launch, but early reports suggest a generally positive ownership experience.
Legacy
The GMC Hummer EV SUV represents a pivotal moment for GMC, signaling the brand’s commitment to electrification and its ambition to compete in the premium electric vehicle market. The 170 kWh powertrain, while not the most powerful configuration available, offers a compelling combination of range, performance, and features. Its long-term reliability remains to be seen, but the robust construction and advanced technology suggest a durable and capable vehicle. In the used car market, the Hummer EV SUV is expected to hold its value well, particularly among enthusiasts seeking a unique and capable electric SUV.
