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I don’t know about Hummers in particular, but most modern trucks are very quiet at highway speeds, at least with highway tires. My RAM 1500 is quieter inside on

by wizee 3y ago

I don’t know about Hummers in particular, but most modern trucks are very quiet at highway speeds, at least with highway tires. My RAM 1500 is quieter inside on the highway than my BMW 3 series or my Ford Escape or any Tesla I’ve driven. The V8 engine is also quieter at idle and at highway speeds than either of those aforementioned cars. My very topical truck handles pretty decently too (for its size at least).

el_nahual 3y ago
Are you sure that's not due to better sound proofing of the cabin? I'm referring to the noise outside the vehicle. As for handling: The hummer EV has a 0 - 65mph time of 1.4 seconds...and a stopping distance from 70mph of 200 feet. That means if a person were to step on the gas for a second and a half, and a pedestrian happened to be crossing the street 80 yards away, that person would be dead.
- wizee 3y ago
  Outside the vehicle, the engine and tires are pretty quiet too, not much different from any other car. As for hummer level acceleration, I agree that’s unnecessary and would be dangerous to use in an urban area. 0-65 mph in 1.4 seconds sounds wrong though, it’s more like 4 seconds. Car and Driver measured 3.3 seconds for 0-60 excluding rollout time. Accelerating full blast in such a fast car in an urban area would be reckless on the driver’s part, but that doesn’t mean you can’t drive it safely and reasonably in urban areas. The Hummer’s bad stopping distance is from a combination of heavy weight an off-road focused tires not optimized for dry pavement grip. With that said, its stopping distance is only around 15% worse than the average car. As an example of stopping distances and cornering grip of a more typical pickup like my RAM 1500, on stock tires, it’s 187 ft from 70 mph, and cornering grip is 0.78 G. For comparison, a Toyota Corolla has a 174 ft stopping distance and 0.82 G grip on stock tires, so around 5% better but not drastically better than the RAM truck.
giraffe_lady 3y ago
Nothing is quiet at highway speeds in my experience, you just can't hear it inside the vehicle.
- wizee 3y ago
  True, all vehicles (ICE or EV) are fairly noisy at highway speeds outside, though a pickup truck with highway tires isn’t much noisier than say Corolla or a Nissan Leaf moving at the same speed. Off road tires, particularly mud terrain tires, can get noisy though, as those tires were optimized for grip in mud rather than noise or highway fuel efficiency.

by wizee 3y ago

el_nahual 3y ago

Are you sure that's not due to better sound proofing of the cabin? I'm referring to the noise outside the vehicle. As for handling: The hummer EV has a 0 - 65mph time of 1.4 seconds...and a stopping distance from 70mph of 200 feet. That means if a person were to step on the gas for a second and a half, and a pedestrian happened to be crossing the street 80 yards away, that person would be dead.

wizee 3y ago
Outside the vehicle, the engine and tires are pretty quiet too, not much different from any other car. As for hummer level acceleration, I agree that’s unnecessary and would be dangerous to use in an urban area. 0-65 mph in 1.4 seconds sounds wrong though, it’s more like 4 seconds. Car and Driver measured 3.3 seconds for 0-60 excluding rollout time. Accelerating full blast in such a fast car in an urban area would be reckless on the driver’s part, but that doesn’t mean you can’t drive it safely and reasonably in urban areas. The Hummer’s bad stopping distance is from a combination of heavy weight an off-road focused tires not optimized for dry pavement grip. With that said, its stopping distance is only around 15% worse than the average car. As an example of stopping distances and cornering grip of a more typical pickup like my RAM 1500, on stock tires, it’s 187 ft from 70 mph, and cornering grip is 0.78 G. For comparison, a Toyota Corolla has a 174 ft stopping distance and 0.82 G grip on stock tires, so around 5% better but not drastically better than the RAM truck.

giraffe_lady 3y ago

Nothing is quiet at highway speeds in my experience, you just can't hear it inside the vehicle.

wizee 3y ago
True, all vehicles (ICE or EV) are fairly noisy at highway speeds outside, though a pickup truck with highway tires isn’t much noisier than say Corolla or a Nissan Leaf moving at the same speed. Off road tires, particularly mud terrain tires, can get noisy though, as those tires were optimized for grip in mud rather than noise or highway fuel efficiency.