
GM surprises with an unveiling of two GMC Hummer X concept vehicles: the SUV and the pickup truck. At this time, these are just concepts, but GMC provides very specific dimensions and specs. The SUV is rolling on 37-inch all-terrain tires. The new midsize pickup truck concept is showing off 35s. Let’s dig into all of the details we have so far.
GM is using this opportunity to unveil the company’s new advanced design studio in Pasadena, California. This concept vehicles are also a showcase of GM’s new FLEX FAB manufacturing technique. Let us know what you think about these concept vehicles.
Digging into the GMC HUMMER X Pickup Truck



The big news is that this concept vehicle is smaller than the current production GMC Hummer Truck. This X concept has true midsize dimensions.
PICKUP TRUCK SPECS:
- Overall Dimensions:
- Wheelbase: 3318.6mm (130.7”)
- Length: 5264.5mm (207.3”)
- Height: 1854.4mm (73.0”)
- Width: 2032mm (80”)
- —- This concept’s wheelbase is just 0.7 inches shorter than the current Chevy Colorado / GMC Canyon
- Approach Angle: 41.5 Deg.
- Departure Angle: 29.7 Deg.
- Breakover Angle: 24.9 Deg.
- Ground Clearance: 316.7mm (12.5”)
- —- These off-road specs are better than those of a Toyota Tacoma TRD Pro or a Jeep Gladiator Rubicon
- Tires by Goodyear:
- (Street) 305/55R22 x 9.5, OD 35”
- (Rock) 315/75R18 x 9, OD 37”
GMC HUMMER X SUV





The midsize SUV has a much shorter wheelbase and ridiculously good off-road specs.
Overall Dimensions:
- Wheelbase: 2945.5mm (116”)
- Length: 4782.5mm (188.3”)
- Height: 1852.6mm (72.9”)
- Width: 2032mm (80”)
- Approach Angle: 44 Deg.
- Departure Angle: 46 Deg.
- Breakover Angle: 30.9 Deg.
- Ground Clearance: 334.3mm (13.2”)
These dimensions and off-road specs are very close to those of a Ford Bronco Raptor. While this is a concept vehicle, the specs are spot on for it to be an exceptional off-roader.
Could this HUMMER X SUV concept hint at the rumored new GMC Jimmy off-road SUV? GMC did not provide any comment about this during this announcement.
GMC did not provide any details about the possible powertrains. The company says that these concept vehicles are EVs with relatively low center of gravity. The company did not discuss any other powertrain options.
Several serious players are coming into the Off-Road SUV game. We are looking at the upcoming all-new Hyundai Boulder, Nissan Xterra, Scout Traveler, Rivian R2, and others. It appears that GM does not want to be left behind.
GMC says that these HUMMER X concept vehicles are meant to go into production. However, we expect the design language, interior features, the manufacturing techniques, and off-road specs to show up on some future GM trucks and SUVs.
What do you think?
While we contemplate this, here is our first drive review of a Hummer H3T Alpha pickup truck.








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