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

Now it's General Motors' turn. The General has just announced that the new base V6 used in the 2014 Chevrolet Silverado and GMC Sierra 1500 models will return an EPA-estimated 18 mpg city and 24 ...

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.

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The GMC Sierra 2500HD is closely mechanically related to the Chevrolet Silverado 2500HD but distinguishes itself as a more upscale truck thanks in part to the availability of the chrome-clad ...

The light-duty 2025 GMC Sierra 1500 drops in as the seventh model year for the nameplate’s fourth generation, debuting a few small updates and changes in the process, such as a revised exterior ...

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 ...

The redesigned 2024 GMC Acadia has grown larger in nearly every ... It loses its 3.6-liter V6 engine in favor of a more powerful 2.5-liter turbocharged four-cylinder. An impressive roster of ...

Based on the Sonoma, which itself was based on the Chevy S-10, GMC felt its compact truck could do with a little more spice.

What's New for 2025? The GMC Savana is already one of the most basic vehicles sold, and for 2025, shoppers will get even fewer features. Deletions include an upgraded radio with USB input ...

Redesigned for 2025, the GMC Terrain SUV is similar in size and mechanical details to its predecessor, and the related Chevrolet Equinox. It is again powered by a 175-hp, 1.5-liter turbocharged ...