We attended a 2019 Ram heavy duty event in Las Vegas, Nevada to sample all of their new heavy duty trucks. When we were finished, we drove a 2019 Ram 3500 over 750 miles from Las Vegas, NV back to our home in Colorado.
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This is a unique challenge because you’re already starting at about 2,000 feet of elevation in Las Vegas before climbing several thousand feet (and over several mountain ranges) to make it to Denver, Co. Sure, it’s a rough mpg test, but it’s an interesting way to see how this new power plant behaves under such conditions.
Also, we have done mpg tests on this route recently in a Ford Expedition, Ford Ranger, and Ram 1500 Rebel among others.
Our 2019 Ram 3500 dually long-bed 4×4 Equipped with an all-new 6.7-liter Cummins turbo-diesel engine, it puts out 400 horsepower and a class-leading 1,000 lbs-feet of torque. It’s connected to a Asin six-speed automatic transmission. In our experience, after driving many 3500 Rams, this one was, by far, the smoothest and most sophisticated. The truck you see here has a maximum towing package with a 4.10 rear axle ratio.
Our vehicle’s MSRP was $87,810.
What’s interesting about this run was the sheer amount of climbing needed at high elevation. It’s something that ruins many fan-boy’s expectations of their truck. Many of the comments on this video were from owners dismayed by the numbers, comparing their own to ours.
Spoiler: We drove all day, and when it was all over, we filed up twice and our calculated fuel economy was a nice and round 15 MPG. We do not other dually trucks to compare this against. Considering this truck weighs close to 8,900 lbs when empty, this result is nonetheless impressive.
In this video, we charge up and over the Rocky Mountains in a 2019 Ram 3500 long-bed 4×4 dually. This was not a hypermileaging challenge. We ran at the speed limits and never drafted. Check out all the details in the video below.