GM Authority is taking a closer look at the new naturally aspirated 6.7L V8 LS6 equipped by the 2027 Corvette Grand Sport, ...

GM's forbidden ZL-1 aluminum 427 engine cost $36K in today's money. Only 69 built through COPO program, now worth over $1 ...

The GM vs. Ford rivalry is an old and familiar one, but four-cylinder engines aren’t normally associated with these American car industry titans. Although they may both be more world-renowned for ...

When General Motors (GM) engines come up, many petrolheads will likely think of the automaker's highly-regarded LS engine. Then there are those with a more old-school bent, some of whom may remember ...

GM’s TurboMax began as a controversial idea in full size pickups, but it has quietly become a serious part of the Silverado ...