The difference between curb weight and GVWR lies in how much is in the vehicle. The curb weight is the weight of a vehicle without passengers or extra luggage packed in. The GVWR adds in the weight of passengers and acceptable luggage weight to get the estimated GVWR.
The maximum weight that Ford F-150 is allowed to tow. The maximum trailer weights listed are only applicable for altitudes up to 3280 ft (1,000 m) above sea level. With increasing altitude the engine power and therefore the car's climbing ability are impaired because of the reduced air density, so the maximum trailer weight has to be reduced accordingly. The weight of the car and trailer must be reduced by 10% for every further 3280 ft (1,000 m) (or part thereof).
Gross Vehicle Weight Rating (GVWR) - 5600 lb
This is the maximum amount of weight Ford F-150 is rated to carry (engine, chassis, fluids, passengers, cargo, load - everything). It is often determined by the manufacturer and is indicated in the owner's manual or on the inside of the drive's door panel.
Curb Weight - 3923 lb
This is how much Ford F-150 weighs sitting on the curb with no driver, passengers, no cargo and no load with all standard options.
Payload Capacity - 1677 lb
Payload is considered all the extra stuff you put inside your vehicle, whether it be passengers or a pile of rocks, that weight is all considered payload. You can increase it by:
- Upgrading the Rear Springs.
- Adding Coil-Over Shock Absorbers.
- Installing a Longer Truck Bed.
- Attaching a Trailer.
- Adding Bed Racks.
Horsepower - 205 hp
The higher the power of your engine, the more weight your car can pull.
Torque - 255 Lb-Ft
High torque is essential for towing because it allows you to pull the trailer at a lower RPM, reducing the strain on the engine.
Axle Ratio - 3.08
The higher the axle ratio, the more power your vehicle produces, and as a result, the more weight this car can tow.
Drive Type - no data
All-wheel or rear-wheel drive vehicles are best suited for towing, while front-wheel drive vehicles can haul much less weight.
Transmission - no data
Do not overload your vehicle while towing, as this can cause the transmission to overheat and fail. If your transmission has "Towing mode" - be sure to turn it on.
Turbocharger - no data
Turbocharged engines produce more power, so if you need a vehicle for towing, choose the one equipped with a turbo.
Wheelbase - 119.9
The longer your vehicle's wheelbase, the less likely the trailer you tow will push down on the rear axle and lift the front end.
My workplace has certified scales. My 2011 F150 2WD Supercrew XLT 5.0 with a tank of gas and me in it weighs ~5600lbs. A little more when it is full and a little less when the tank is empty of course. I roll across it all the time. That is about 500 pounds average more than my 2001 4.6 Supercrew XLT equipped the same weighed daily. Maybe that will give you some sort of a clue.
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