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Fuel Mileage of a 1997 Dodge RAM V-10

by Richard Rowe

It's an odd kind of contradiction: the EPA grants exceptions of fuel economy and emissions to heavy-duty trucks, so manufacturers often decline to rate them. But fuel economy is often a prime consideration for those who purchase the biggest trucks out there, so owners are often relegated to either asking around or playing optimist about their own fuel economy.

Reported Fuel Economy

The V-10 is a big engine; it uses a lot of fuel when idling, and produces far more torque than the truck needs to cruise while unloaded. As such, there isn't a great deal of difference between its low- and high-end figures. Unloaded and traveling on level ground, users typically report about 9 to 10 mpg in the city and 10 to 12 mpg on the highway. The Ram doesn't seem to care whether you're towing a trailer or not; fuel economy drops by less than 1 mpg -- if that -- pulling the heaviest possible trailer. Aerodynamics are likely the reason that city and highway economy numbers are so close -- the Ram is a big truck, and has to push a lot of air out of the way at high speed. With a light foot, never exceeding 60 mph or so, you might see as much as 13 to 14 mpg.

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