GMC Engine Specs

Bore, stroke, displacement and compression specs for 73 GMC engines across 20 families.

• 2.7L Turbo I4 — 1 engine
• 3.0L Duramax I6 Diesel — 1 engine
• Big Block Chevy — 5 engines
• Buick V8 — 10 engines
• Chevy Straight-6 (194/230/250/292) — 4 engines
• Chevy Straight-6 (235/261) — 2 engines
• Detroit Diesel I6 (Two-Stroke) — 2 engines
• Detroit Diesel V8 (Two-Stroke) — 5 engines
• Ecotec I4 — 6 engines
• GM Small Gasoline Engine (SGE) — 2 engines
• High Feature V6 — 6 engines
• Oldsmobile V8 — 6 engines
• Pontiac V8 — 9 engines
• Small Block Chevy — 8 engines
• Vortec 2800 (2.8L I4) — 1 engine
• Vortec 2900 (2.9L I4) — 1 engine
• Vortec 3500 (3.5L I5) — 1 engine
• Vortec 3700 (3.7L I5) — 1 engine
• Vortec 4200 (4.2L I6) — 1 engine
• Vortec 4300 (4.3L V6) — 1 engine

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