December 25, 2010
Higher revs vs higher gear (going uphill); what will be more effective for fuel efficiency?
If I’m traveling at 40mph on an intermediate gradient in a car that has 6 forward gears, will I save more fuel in sixth gear doing fewer revs but having to use more throttle than doing higher revs in fifth with less throttle?
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Filed under Gas Conservation FAQ by on Dec 25th, 2010. Comment. 
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Comments on Higher revs vs higher gear (going uphill); what will be more effective for fuel efficiency?
you are always going to burn more fuel with higher revs fact
first off you must be driving a jeep or higher to go up a hill like that in 6th
to answer your question lower gear and more revs is the better option you may use a bit more fuel but if your in a higher gear and low revs your putting loads of stress on that engine you may pay a tiny bit extra on fuel but you will be paying for new parts and fitting service
A lower gear and higher rev will burn more gas, but going uphill in a high gear would be hell on your transmission.