Specifications Comparison: 2006 Ford F-150 vs 2003 Ford F-150

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
Regular Cab FX4	5.4L V8	4WD	300	365
Regular Cab STX	4.2L V6	RWD	202	260
Regular Cab STX	4.6L V8	4WD	231	293
Regular Cab XL	5.4L V6	RWD	202	260
Regular Cab XL	4.6L V8	4WD	231	293
Regular Cab XLT	4.2L V6	RWD	202	260
Regular Cab XLT	4.6L V8	4WD	231	293
Supercab FX4	5.4L V8	4WD	300	365
Supercab HarleyDavidson	5.4L V8	RWD	300	365
Supercab HarleyDavidson	5.4L V8	4WD	300	365
Supercab Lariat	5.4L V8	RWD	300	365
Supercab Lariat	5.4L V8	4WD	300	365
Supercab STX	4.6L V8	RWD	231	293
Supercab STX	4.6L V8	4WD	231	293
Supercab XL	4.6L V8	RWD	231	293
Supercab XL	4.6L V8	4WD	231	293
Supercab XLT	4.6L V8	RWD	231	293
Supercab XLT	4.6L V8	4WD	231	293
SuperCrew FX4	5.4L V8	4WD	300	365
SuperCrew King Ranch	5.4L V8	RWD	300	365
SuperCrew King Ranch	5.4L V8	4WD	300	365
SuperCrew Lariat	5.4L V8	RWD	300	365
SuperCrew Lariat	5.4L V8	4WD	300	365
SuperCrew XLT	4.6L V8	RWD	231	293
SuperCrew XLT	4.6L V8	4WD	231	293

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
Flareside Lightning	5.4L V8	RWD	380	450
Flareside Supercab King Ranch	4.6L V8	RWD	231	293
Flareside Supercab King Ranch	4.6L V8	4WD	231	293
Regular Cab XL	4.6L V6	RWD	202	252
Regular Cab XL	4.6L V6	4WD	202	252
Regular Cab XLT	4.2L V6	RWD	202	252
Regular Cab XLT	4.2L V6	4WD	202	252
Supercab Lariat	4.6L V8	RWD	231	293
Supercab Lariat	4.6L V8	4WD	231	293
Supercab XL	4.6L V6	RWD	202	252
Supercab XL	5.4L V8	4WD	231	293
Supercab XLT	4.2L V6	RWD	202	252
Supercab XLT	4.6L V8	4WD	231	293
SuperCrew HarleyDavidson	5.4L V8	RWD	380	450
SuperCrew King Ranch	4.6L V8	RWD	231	293
SuperCrew King Ranch	4.6L V8	4WD	231	293
SuperCrew Lariat	4.6L V8	RWD	231	293
SuperCrew Lariat	4.6L V8	4WD	231	293
SuperCrew XLT	4.6L V8	RWD	231	293
SuperCrew XLT	4.6L V8	RWD	231	293

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
Regular Cab FX4	5.4L V8	4WD	55	0.91
Regular Cab STX	4.2L V6	RWD	48	0.79
Regular Cab STX	4.6L V8	4WD	50	0.82
Regular Cab XL	5.4L V6	RWD	37	0.61
Regular Cab XL	4.6L V8	4WD	50	0.82
Regular Cab XLT	4.2L V6	RWD	48	0.79
Regular Cab XLT	4.6L V8	4WD	50	0.82
Supercab FX4	5.4L V8	4WD	55	0.91
Supercab HarleyDavidson	5.4L V8	RWD	55	0.91
Supercab HarleyDavidson	5.4L V8	4WD	55	0.91
Supercab Lariat	5.4L V8	RWD	55	0.91
Supercab Lariat	5.4L V8	4WD	55	0.91
Supercab STX	4.6L V8	RWD	50	0.82
Supercab STX	4.6L V8	4WD	50	0.82
Supercab XL	4.6L V8	RWD	50	0.82
Supercab XL	4.6L V8	4WD	50	0.82
Supercab XLT	4.6L V8	RWD	50	0.82
Supercab XLT	4.6L V8	4WD	50	0.82
SuperCrew FX4	5.4L V8	4WD	55	0.91
SuperCrew King Ranch	5.4L V8	RWD	55	0.91
SuperCrew King Ranch	5.4L V8	4WD	55	0.91
SuperCrew Lariat	5.4L V8	RWD	55	0.91
SuperCrew Lariat	5.4L V8	4WD	55	0.91
SuperCrew XLT	4.6L V8	RWD	50	0.82
SuperCrew XLT	4.6L V8	4WD	50	0.82

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
Flareside Lightning	5.4L V8	RWD	70	1.15
Flareside Supercab King Ranch	4.6L V8	RWD	50	0.82
Flareside Supercab King Ranch	4.6L V8	4WD	50	0.82
Regular Cab XL	4.6L V6	RWD	43	0.72
Regular Cab XL	4.6L V6	4WD	43	0.72
Regular Cab XLT	4.2L V6	RWD	48	0.79
Regular Cab XLT	4.2L V6	4WD	48	0.79
Supercab Lariat	4.6L V8	RWD	50	0.82
Supercab Lariat	4.6L V8	4WD	50	0.82
Supercab XL	4.6L V6	RWD	43	0.72
Supercab XL	5.4L V8	4WD	42	0.7
Supercab XLT	4.2L V6	RWD	48	0.79
Supercab XLT	4.6L V8	4WD	50	0.82
SuperCrew HarleyDavidson	5.4L V8	RWD	70	1.15
SuperCrew King Ranch	4.6L V8	RWD	50	0.82
SuperCrew King Ranch	4.6L V8	4WD	50	0.82
SuperCrew Lariat	4.6L V8	RWD	50	0.82
SuperCrew Lariat	4.6L V8	4WD	50	0.82
SuperCrew XLT	4.6L V8	RWD	50	0.82
SuperCrew XLT	4.6L V8	RWD	50	0.82