Maximum Gross Trailer Weight
Is the most weight that a particular vehicle can safely and reliably haul. To determine if you've reached the Maximum Gross Trailer Weight of a vehicle, take the total loaded trailer weight and add the combined weight of all passengers, cargo and equipment in the tow vehicle.
Gross Vehicle Weight Rating (GVWR)
Is the maximum recommended weight for a vehicle, including: the weight of the vehicle itself, fuel and other fluids, passengers, and all cargo.
.......Payload.......
Is the combined, maximum allowable weight of cargo, and passengers that the truck is designed to carry. To calculate the payload of a vehicle, take the Gross Vehicle Weight Rating and subtract the Curb Weight.
Base Curb Weight
Is the weight of the vehicle including a full tank of fuel and all standard equipment. It does not include passengers, cargo or any optional equipment.