Ford 2009 Mustang Owner's Manual page 170

Tires, Wheels and Loading
Example only:
Cargo Weight – includes all weight added to the Base Curb Weight,
including cargo and optional equipment. When towing, trailer tongue load
weight is also part of cargo weight.
GAW (Gross Axle Weight) – is the total weight placed on each axle
(front and rear) – including vehicle curb weight and all payload.
170
2009 05+ Mustang (197)
Owners Guide
USA (fus)