Engines like the Buick Fireball V6, GMC 305 V6, and GMC big block 478 V6 -- which remains the largest displacement V6 ever ...

GM Authority reader Willard asks why the Chevy Colorado uses a four cylinder engine while Nissan Frontier gets a V6. We answer in today's GM Authority Mailbag.

A Pontiac with a Corvette engine? Unthinkable in GM's early days -- but by the late 1990s, the savings offered by ...

The General has just announced that the new base V6 used in the 2014 Chevrolet Silverado and GMC Sierra 1500 models ... buy and when they drive. EcoTec3 engine technology enables 2WD Silverados ...

But then the GMC Canyon and Chevrolet Colorado twins ... But this is where things start to go badly. Despite its 305 hp, the gasoline V6 is rather short on the low-end torque that's so important ...

Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. For the most accurate pricing and values on new or used ...

Not available with (LU3) Vortec 4.3L V6 MFI engine) Snow Plow Prep Package Includes 15-amp power for backup and roof emergency light, 160-amp alternator, high-flow front bumper, forward lamp ...

Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. For the most accurate pricing and values on new or used ...

GM’s hands-free active driving assistance system, and it’s fitted to all trim levels. The Enclave ditches the trusty 3.6-liter V6 for a 2.5-liter turbocharged four-cylinder engine, paired with ...

The Suburban’s L87 V8 is rated at 420 horsepower and 460 pound-feet of torque, and the LZ0 diesel makes 305 horsepower and 495 pound-feet of torque. Like the GM Defense version of the Suburban ...

(Included with (PDP) White Diamond Tricoat Edition. Not available with (LU3) Vortec 4.3L V6 MFI engine, (VPD) Deluxe Chrome Package, LPO or (DPN) outside vertical camper mirrors.) Chrome Package ...