why do pickup truck manufacturers engineer their engines’ peak power so high in the rpm range?

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Im in the market for a full size gasoline pickup for towing and hauling. Doing ALOT of homework, and most of the different truck brands have power bands at around 4000 rpm. (Lowest was ecoboost @3500) That seems awful high? Wouldnt you want to engineer the power band closer to 2500-3000 rpm where most tow rigs cruise at highway speeds for the sake of fuel efficiency?

In: Engineering

6 Answers

Anonymous 0 Comments

Im just used to getting 12+mpg while towing 6000 lbs with a diesel. It hurts to think of getting 8 mpg while towing 4000 lbs with a gas truck. Even though after doing my math, for my purposes, cost of ownership and operation of a gas truck will end up being cheaper overall. I know gas engines just arent capable of the efficiency under load at the low rpms that diesel engines are, but it makes sense to me to emulate diesel power curves as much as possible in order to emulate diesel fuel efficiency as much as possible.

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