GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6
Green Car Congress
APRIL 1, 2013
V-8 EcoTec3 AFM VVT DI (L83) for Chevrolet Silverado and GMC Sierra. In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fuel economy comparisons. 2WD Pickup truck fuel economy comparisons. Fuel economy. Power (hp).
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