MPG on a 2000 Monaco Diplomat 315hp (ballpark)
Curious of what kind of milage roughly a 2000 Monaco Diplomat gets with a 315hp Cummins
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We get about 7mpg average. Last tank, we got 9.1. SPEED! I kept the bus at 55mph, and what a difference. Mostly, we average about 60mph on interstates, and 55 on local 4 lane roads.
