it has a 327 or 5.3 liter
The 2003 Chevrolet Silverado-1500 has a V6 engine.
The 2003 Chevrolet Silverado-1500 has a 4.3 L base engine size.
The 2003 Chevrolet Silverado-2500HD has a 6.0 L base engine size.
The 2003 Chevrolet Silverado-2500HD has a V8 engine.
Yes same engine.
The 2003 Chevrolet Silverado-2500HD's engine produces 300 hp @ 4400 rpm.
The 2003 Chevrolet Silverado-1500's engine produces 200 hp @ 4600 rpm.
The 2003 Chevrolet Silverado-2500HD's engine produces 360 ft-lbs. @ 4000 rpm.
The 2010 Chevrolet Silverado-1500 has a 4.3 L base engine size.
The 2001 Chevrolet Silverado-1500 has a 4.3 L base engine size.
The 2004 Chevrolet Silverado-1500 has a 4.3 L base engine size.
The 2002 Chevrolet Silverado-1500 has a 4.3 L base engine size.