They average anywhere from 4.5 to 7 miles per gallon, depending on how much weight they are carrying, and how many hills they are climbing, on any given trip.
Trailers do not have an mpg as they have no motive force, they are hitched to something and pulled. It then depends, as is stated above, on the conditions encountered and the vehicle doing the pulling.
it also depends alot on the person doing the driving, and the type of trailer being pulled.
2.3 million
Mileage for a tractor trailer typically runs four to eight miles per gallon, all factors dependent. So, on 400 gallons, you could run between 1600 and 3200 miles.
That depends on the size of the tractor trailers (they come in different sizes/models). and how many roadways you will need to get them on/off the land.
6 mpg = 1.585 miles per liter.
A semi-trailer is distinguished from other types of trailers by having no front axle. Semi-trailers are used to transport large quantities of goods over many hundreds of miles.
Trailers vary in size.
UPS currently has 94,600 ground vehicles in service
20 miles to the gallon 20 miles to the gallon
15 miles to the gallon 15 miles to the gallon
18.5 miles a gallon
it can get 8 miles to the gallon
Trucks of which size? You could be talking about pickup trucks, or tractor-trailers.