The big-block V6 was made from 1960 to 1974 for GMC's 6500-series commercial pickup trucks, and it is still one of the biggest V6 engines ever produced. The big block wasn't a tower of power, but ...

Engines like the Buick Fireball V6, GMC 305 V6, and GMC big block 478 V6 -- which remains the largest displacement V6 ever made -- began to pose a real threat to V8 supremacy.

The GMC Terrain crossover gets an upscale Denali trim level and a larger, more powerful V6 engine for the 2013 model year, General Motors said on Wednesday. The 2013 Terrain goes on sale this fall.

The Detroit-based automaker Wednesday said the 2014 Chevrolet Silverado and GMC Sierra with the all-new 4.3-liter EcoTec3 V6 engine are estimated by the U.S. Environmental Protection Agency to ...