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Hummer EPA Range of 334 miles Leaked in the MyChevrolet App?

4425 Views 27 Replies 13 Participants Last post by  BigJonEV
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In the MyChevrolet app select More > Explore EV > Energy Assist

The Bolt EV and EUV and Hummer are listed. The Bolts have their official EPA ranges listed and the Hummer lists 334 miles. Select the Hummer and it provides route planning based on that 334 miles.

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In the MyChevrolet app select More > Explore EV > Energy Assist

The Bolt EV and EUV and Hummer are listed. The Bolts have their official EPA ranges listed and the Hummer lists 334 miles. Select the Hummer and it provides route planning based on that 334 miles.

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What I have been trying to tell people, Hummer is stretching to go 350... She's a guzzler...
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What I have been trying to tell people, Hummer is stretching to go 350... She's a guzzler...
guess you need to find a big hill and use regen breaks to get up to 350.

Side note: I did manage to get an extra 12 miles out my mach E coming down 80W from Donner summit while using one pedal driving. Im sure i spent more than that getting to the top tho
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guess you need to find a big hill and use regen breaks to get up to 350.

Side note: I did manage to get an extra 12 miles out my mach E coming down 80W from Donner summit while using one pedal driving. Im sure i spent more than that getting to the top tho
ya, down the mountain is always a better bet,
In the MyChevrolet app select More > Explore EV > Energy Assist

The Bolt EV and EUV and Hummer are listed. The Bolts have their official EPA ranges listed and the Hummer lists 334 miles. Select the Hummer and it provides route planning based on that 334 miles.

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My app does not show that page, only my current Bolt.
Do you think the range of the SUV will be slightly better? Only asking because it is a little smaller so it will weigh a little less too.
I doubt it. I think the battery is smaller due to the shorter wheelbase.
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Do you think the range of the SUV will be slightly better? Only asking because it is a little smaller so it will weigh a little less too.
Smaller battery in the SUV, 20 modules versus 24. It will be lighter though.

The E1 is also coming with aggressive off road tires, if you change those out it will improve the range. For example, the Rivian is rated at 316 miles with 21 inch all season road tires, but they indicate a 10-15% reduction in range with the 20 inch all terrain tires. Those more aggressive tires increase the rolling friction coefficient.
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Smaller battery in the SUV, 20 modules versus 24. It will be lighter though.

The E1 is also coming with aggressive off road tires, if you change those out it will improve the range. For example, the Rivian is rated at 316 miles with 21 inch all season road tires, but they indicate a 10-15% reduction in range with the 20 inch all terrain tires. Those more aggressive tires increase the rolling friction coefficient.
Exactly right, thats why GM analytical models missed on the Hummer EV range, it's likely the tires and rolling resistance. Put some pizza cutters on there and it will go much further, but look silly.
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I'll take 334 :) or less with my aggressive driving.
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I’m not even gonna get 300 because im gonna be in the throttle too much 🤣🤣🤣
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Boggers and a 150 mile range it is then...😉
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Maybe if I can rig up a sail in the bed of the truck…. Make it look like an American flag get a couple bald eagles 🦅 flapping full force into the sheets with the wind behind us going downhill…. Just maybe can get the 350?
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I have no issue with it. When I get mine, 334 miles of range will be more than I'll need in 99% of situations. And once the battery tech advances, I'll just swap out the new packs with the current ones since GM designed them to be modular, give it a few software adjustments...and boom, 480 mile Hummer EV.
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My app does not show that page, only my current Bolt.
I had to manually update the app on my iphone. Version 5.7.0
I have no issue with it. When I get mine, 334 miles of range will be more than I'll need in 99% of situations. And once the battery tech advances, I'll just swap out the new packs with the current ones since GM designed them to be modular, give it a few software adjustments...and boom, 480 mile Hummer EV.
Love your enthusiasm, but you realize the battery pack upgrade might cost $30-$50K?
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Love your enthusiasm, but you realize the battery pack upgrade might cost $30-$50K?
Yes. But I fully expect that number to drop substantially within the next decade.
Yes. But I fully expect that number to drop substantially within the next decade.
Umm, you should look at the math. Battery costs will drop per kWh, but to get more range you need more kWh. if you figure getting 50% more kWh your cost will be almost the same with GM's proposed cost reductions. Also when GM quotes battery cost, they are quoting their wholesale cost and not the retail installed cost. On top of that, to get to the holy grail solid state technology might require new modules as solid state will come in prismatic format instead of pouch, so yes, theoretically you could upgrade the battery, but thinking you will get 50% more kWh for less money is likely a pipe dream. not to mention, for the forceable future GM will be battery constrained for production and warranty, so low retail prices in the secondary market are not likely.
@BahamaTodd anyone know your famous??? Your on gm's radar now... lol
Sorry I couldn't see where to share the link...
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Also.... which one of you is reporting for msn??? 🤔
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