EPA document reveals more specifications for 2022 GMC Hummer EV Pickup

  • General Motors submitted a preliminary test document to the EPA, which revealed some interesting specifications for the 2022 GMC Hummer EV Edition 1 pickup.
  • The new electric truck will travel 329 miles on a charge with 212.7 kWh of usable energy and achieve 47 MPGe together, according to GM’s test data.
  • The lobster weighs as much as 9063 pounds, and the large battery alone weighs 2923 pounds.

    CORRECTION 22/15/22: This story has been updated to correct the price of the Hummer EV Edition 1, which is $ 110,295.

    When the GMC Hummer EV pickup debuted more than a year ago, General Motors claimed that the electric pickup would travel 350 miles on a single charge of its 200.0 kWh Ultium battery, putting it above the EPA’s estimates for the first electric truck to arrive at the marketplace, Rivian R1T. Test data that GM recently submitted to the Environmental Protection Agency (EPA) now puts these claims into focus and provides a number of other interesting details about the 1000-hp, $ 110,295 Edition 1 electric pickup.

    The document shows that the Edition 1 model, the only version available at launch, has an Ultium battery with a usable capacity of 212.7 kWh, which is significantly larger than the Ford F-150 Lightning’s available 131.0 kWh Extended Range. battery pack and Rivian R1T’s 128.9 kWh lithium-ion battery. According to EPA applications, Hummer will achieve a 329-mile EPA combined range, consuming electricity of 47 MPGe EPA combined, about 33 percent less than Rivian’s 70 MPGe rating.

    It’s important to add that the range figure makes the Rivian’s 314-mile rating better – and also Ford’s 300-mile estimate for Lightning. It is also interesting that the Hummer’s front and rear reduction ratios are almost 30 percent different (13.3: 1 front and 10.5: 1 rear), so it probably shifts the primary propulsion source to which axle is more efficient under different driving conditions.

    It says a spokesman for the GMC Car and driver that it will not display Hummer’s MPGe figures on its window sticker, as vehicles with a GVWR over 8500 pounds are not required to do so. Here are the ones: 51 MPGe city, 43 MPGe highway and the above 47 MPGe together. Car manufacturers can always choose to show these figures, as Rivian does with the R1T, which has a GVWR of just over 8500 pounds. When used in real life during our latest test of the Rivian R1T, however, we achieved 35 MPGe, or half of its total figure, so Hummer can also make it worse in the real world.

      Obviously, weight is a big factor, and we now know a little more details about it as well. The large battery pack alone weighs 2,923 pounds, almost as much as an entire Honda Civic. GMC reports in the EPA document a service weight of 9063 pounds, which is almost 2000 pounds heavier than the Rivian R1T Launch Edition we just tested.

      Data also shows a battery capacity of 617 ampere hours. Multiplied by its 400-volt operating voltage, it provides 246.8 kWh, which should be equated with the gross capacity of the double-stacked packaging. This would mean that its usable capacity is 86 percent of the total, which is slightly lower than what we see in other electric cars today, where the ratio is often closer to 90 percent. Maybe that’s why the Hummer EV’s losses from charging to full on a 240-volt level 2 socket, which these documents show at 10 percent, are slightly better than the average of about 12 percent of other electric cars in EPA tests.

      GMC says this test is the final certification for the Hummers 2022 model year. Cheaper models will come in the next few years, including the base model with dual engines 2024.

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