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2003
GMC
Sierra 2500 HD
2003 GMC Sierra 2500 HD Trims & Engines
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Base 6.0L V8 - CNG
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Base 6.6L V8 - Diesel
Base 8.1L V8 - Gas
SLE 6.0L V8 - CNG
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SLT 6.0L V8 - CNG
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WT 6.0L V8 - CNG
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WT 6.6L V8 - Diesel
WT 8.1L V8 - Gas
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