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it have 285 horsepower
260hp
235 horsepower.
I believe it is 205 horsepower
The 2003 GMC Sierra-2500HD's engine produces 300 hp @ 4400 rpm.
A 6.0 liter 2003 Chevrolet engine has a horsepower of 300. The engines are used on heavy-duty, full-sized trucks and vans.
The 2003 GMC Sierra-1500's engine produces 200 hp @ 4600 rpm.
it is pushing close to 600 horsepower.
I believe the 4.6 liter V8 engine in a 2003 Ford F-150 is rated at ( 231 horsepower )
345
270 hp
The 5.4 liter V8 puts out about 275 horsepower