Many GM engines share similar RPO codes; multiple different blocks are known as LS6 or LT1. But there's actually a reason as ...

Cross-Fire Engine was supposed to be a landmark for GM, but there's a reason it's called the 'Cease-Fire.' See the design compromise that killed its performance ...

In the age of $70,000 plow trucks, the HonJazzz YouTube team managed buy a GMC Sierra 3500 for less than the average car payment.

GM confirmed that the new Chevrolet Silverado 1500 and GMC Sierra 1500 will be revealed sometime in 2026 ahead of a likely ...

Here's how the classics aren't as slow as you might think compared to their modern counterparts.

The Pontiac Tojan, in twin-turbo form, set a 200-mph record in 1987, before any of the big guns. How did it manage to achieve ...

Discover the surprising story behind the iconic 'muscle car' term and how it all started with a legendary vehicle.

This 1980s classic with pop-up headlights kept its carburetor as long as it could ...

Truck buyers are learning the hard way that the wrong engine choice can turn a […] ...

Though they looked as average as the mass-produced Olds models they were based on, these performance versions packed a ...

Stellantis has confirmed it plans to build more than 100,000 Hemi V8 engines in 2026, a huge increase that indicates the ...

GM has confirmed that its next-generation V8 engine will be built in Canada, and is set to power the automaker's full-size ...