TOYOTA 2011 Sienna - Manual (Page 381)

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2-5. Driving information
Towing related term
Towing related term Meaning
GVWR (Gross Vehicle Weight
Rating)
The maximum allowable gross vehicle
weight. The gross vehicle weight is the
total weight of the vehicle. When towing
a trailer, it is the sum of the vehicle
weight (including the occupants, cargo
and any optional equipment installed on
the vehicle) and the tongue load.
GAWR (Gross Axle Weight
Rating)
The maximum allowable gross axle
weight.
The gross axle weight is the load placed
on each axle (front and rear).
GCWR (Gross Combination
Weight Rating)
The maximum allowable gross combi-
nation weight. The gross combination
weight is the sum of the total vehicle
weight (including the occupants, cargo
and any optional equipment installed on
the vehicle) and the weight of the trailer
being towed (including the cargo in the
trailer).
Gross trailer weight
The sum of the trailer weight and the
weight of the cargo in the trailer.
Towing capacity
The maximum allowable gross trailer
weight. Towing capacity is calculated
considering base vehicle with neces-
sary vehicle equipment and occupants.
Additional optional equipment, passen-
gers and cargo in the vehicle will reduce
the towing capacity, gross trailer weight
includes the trailer, cargo and neces-
sary equipment for towing.
Tongue load The load placed on the trailer hitch ball.