6.0 GMC Vs. 6.0 Chevy


The 2009 GMC and the 2009 Chevrolet truck vehicles are each powered by identical General Motors Vortec 6000 6-liter V-8 engines. Dubbed the VortecMax, the fourth V-8 version debuted in 2007.


  • The 300-horsepower 6-liter V-8 was launch in 2000 and grew to 367 horsepower, powering the Chevy Express, Silverado, and Suburban; the GMC Savana, Sierra, and Yukon; and GM's Hummer H2, according to chevrolet.com and gmc.com.

Chevy Express/GMC Savana

  • The Express and Savana vans are essentially the same vehicle, with the exception of the different front grille and the 2002 Express LT factory conversion van featuring a Bose sound system, entertainment center and leather seats, according to cars.com.


  • The 6-liter Silverado and Sierra are clone pickups; the difference is with the Sierra Denali model, which features the grille and dashboard from the Yukon Denali SUV, according to Popular Mechanics.


  • The GMC Yukon XL is a rebadged Chevrolet Suburban SUV, each sharing the same components, but the Yukon's SLT1 model features rear park assist, Bose audio system and self-leveling suspension, according to newcartestdrive.com.

Hummer H2

  • GM's Hummer H2 shares the same platform as the Chevy Tahoe/GMC Yukon and featured the 6-liter V-8 in the sport utility truck and SUV from 2003-2007, according to Edmunds.com.

Fuel Efficiency

  • Gas mileage for the 6-liter-powered, two-wheel-drive Sierra/Silverado is 15 mpg in the city and 21 mpg on the highway, according to Edmunds.com.

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  • Photo Credit "New York State Police Chevy Tahoe" is Copyrighted by Flickr user: JLaw45 (Jason Lawrence) under the Creative Commons Attribution license.
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