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.

While you won’t find a lot of V6 engines in the history of GMC trucks, there are a few standouts. Here are three of the most powerful GMC V6s.

A 1960 magazine advertisement for the GMC V6 and V12 gasoline and diesel truck engines, touting their cost savings.

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.

Equipped with a new 328-hp 2.5-liter engine, the 2024 GMC Acadia is more powerful than the previous version. Image: Kristin Shaw/Popular Science ...

The 2017 GMC Canyon now boasts a reworked 3.6L V6 engine and an eight-speed automatic. Both do good things for acceleration.

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 ...

GM’s division has today launched the refreshed GMC Terrain for the 2013 model year, and the news for the refreshed model is that it gets a new Denali version and a 3.6-liter V6 engine with 301 ...

2014 GMC Sierra models with the 4.3-liter EcoTec3 V6 engine will go on sale later this year with a suggested starting price of $25,085 (€19,180), including a destination charge of $995 (€760).

Get accurate pricing information for a used 1998 GMC Sierra 1500 Sportside 1/2 Ton Pickup 4WD V6, and explore other options.