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? Class-A Gas Climbing MPH

dcmac214
Explorer
Explorer
What's the real gas class-A hill climbing MPH?

Talking to couple old timers while wandering around RV show, one commented and other agreed that a gas Class-A slows down to about 5mph climbing our Western Mountains. I've had occasion to follow some on prior trips and can't recall ever being slowed down anywhere near single digit MPH.
17 REPLIES 17

Mile_High
Explorer
Explorer
Class A is a wide brush stroke. There are overloaded, underloaded, towing, not towing.

Living in Denver we travel the mountains a lot. Sometimes I'll get behind a Class A towing going as low as 25, never 5. Our diesel can get down to 35 in Colorado towing.

As old timers, they are probably remembering way back to the 80s with aspirated gas engine RVs, and back then the worst were pickups pulling campers that were geared wrong. You don't see that today with diesels in the pickups.
2013 Winnebago Itasca Meridian 42E
2013 Jeep Wrangler Unlimited Sahara Towed

rgatijnet1
Explorer III
Explorer III
Never hit a mountain highway in the Western mountains where I could not keep up with traffic, and passed quite a few trucks in my GM 8.1L powered Monaco coach, with the Allison transmission, while towing a Chevy HHR. I do have the UltraTune from Brazels, which helps but I really didn't have any serious problems before I got the specific tune for mountain climbing. I never saw anyone in any RV at single digits altho I guess it is possible if they were having overheating issues which can happen in any coach, diesel or gas.

diazr2
Explorer
Explorer
Me thinks they exaggerate just a tad...5 is pretty slow for sure. I have never seen one slow that much here in the Western States. Colorado maybe? Even then 5 is pretty darn slow. Specially the newer gasers. If your talking western mountains in Oklahoma I would say for certain that is not going to happen. Your tallest mountain is 5700 or around that. Not much of a climb at all. So I would say no that is not accurate.