New GM 4.3L EcoTec V-6 for Sierra delivers 305 lb-ft torque
Green Car Congress
MAY 6, 2013
When the all-new 2014 GMC Sierra full-size pickup arrives this summer, its standard 4.3L All are designed specifically for the high trailering and hauling demands unique to truck buyers. Sierras equipped with the 4.3L 2014 Sierra models with the 4.3L Click to enlarge. available at launch, followed by the 4.3L
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