dense cold air requires more fuel
the lower your rear axle ratio, the worse your mileage.
It can, and usually it will make it worse.
The gas mileage of a Hummer is worse than any other civilian vehicle, as it is around 9 MPG (miles per gallon). The average American gas millage is approximately 20 MPG, so the Hummer's gas mileage is more than twice as worse than an average car's gas mileage.
A SOHC is better for gas mileage, because it uses less gas, and has 130 hp. A DOHC is worse for gas mileage, but has 150 hp.
A v-8 will always get worse mileage than a v-6. If you're worried about gas mileage, don't be driving a Camaro. i have a 92 rs and a 90 rs. i get about 25 mpg
Check for fuel leaks and proper fuel pressure.
no if anything it is worse because of the added weight
The best site for a gas mileage calculator is at gascar dot com. That site has a good tool to see what you are actually getting out of the car and which is best and worse.
1972 pickups where not equipped to handled better gas mileage so of course there mileage is lower then the 2010. The newer trucks but more equipment in to handle better gas mileage with new technology.
Check ingine light and your gas mileage get worse.
87=89 octane my car looses gas mileage runs worse when i get gas that has ethonal
Ford trucks are usually worse than other makes when comparing gas mileage. Brands like Toyota and Mazda are better.