GM 5.3 vs 6.0: What's the Difference?

The GM 5.3L Vortec 5300 and the GM 6.0L Vortec 6000 differ in displacement, bore × stroke, compression ratio, factory rating. The table puts the factory specs side by side; each engine's own page has the full specs.

Specs side by side

	GM 5.3L Vortec 5300	GM 6.0L Vortec 6000
Engine	GM 5.3L Vortec 5300 / LS truck (LM7, L59, LM4, L33, LH6, LY5, LC9, LMG, LMF, LH8, LH9)	GM 6.0L Vortec 6000 / LS truck (LQ4, LQ9, LY6, L96, L76)
Displacement	325.2 ci (5.33 L)	364.1 ci (5.97 L)
Bore × stroke	3.780" × 3.622"	4.000" × 3.622"
Cylinders	8	8
Compression ratio	9.5:1–10:1	9.4:1–10.4:1
Factory rating	270 hp–320 hp	300 hp–367 hp
Block	aluminum or cast iron	cast iron or aluminum
Heads	aluminum	aluminum or cast iron
Rod length	6.098"	6.098"
Deck height	9.240"	9.240"
Weight (approx.)	—	540 lb
Fuel	gas	gas
Model years	1999–2014	1999–2020

Where versions of an engine differ, the table shows the range across them. Ratings are the makers' published figures.

Which cars got each engine

GM 5.3L Vortec 5300	Years
Buick Rainier	2004–2007
Chevrolet TrailBlazer	2003–2008
GMC Envoy	2003–2009
Chevrolet Silverado 1500	1999–2013
GMC Sierra 1500	1999–2013
Chevrolet SSR	2003–2004
Chevrolet Silverado HD	1999–2000
GMC Sierra HD	1999–2000
Chevrolet Suburban	2000–2014
Chevrolet Tahoe	2000–2014
GMC Yukon	2000–2014
Cadillac Escalade	2002–2005
Chevrolet Avalanche	2002–2013
Chevrolet Chevy Van / Express	2003–2014
GMC Vandura / Savana	2003–2014
Hummer H3	2008–2010
Chevrolet Colorado	2009–2012
GMC Canyon	2009–2012

GM 6.0L Vortec 6000	Years
Chevrolet Silverado HD	1999–2019
GMC Sierra HD	1999–2019
Chevrolet Suburban	2000–2013
GMC Yukon	2000–2013
GMC Sierra 1500	2001–2009
Chevrolet Chevy Van / Express	2003–2020
Hummer H2	2003–2007
GMC Vandura / Savana	2003–2020
Cadillac Escalade	2002–2006
Chevrolet Silverado 1500	2003–2009
Chevrolet Avalanche	2007–2009
Pontiac G8	2008–2009
Chevrolet Caprice	2011–2017

More

• GM 5.3L Vortec 5300 specs
• GM 6.0L Vortec 6000 specs
• All engine comparisons