A handbuilt 9.4-liter Hemi crate engine delivers 700 horsepower on pump gas and includes an uncommon three-year warranty.

Chevrolet has a long history of hiding serious performance in everyday sheetmetal, and one of the strangest examples is a ...

One of the most anticipated V8 thrillers of 2025 is finally available to purchase. Direct Connection is asking $34,995 for the Hellephant A30 426 Supercharged Crate HEMI, a 7.0-liter behemoth that ...

Not to sound like a parody of Jerry Seinfeld here, but what's the deal with all these identical-displacement V8s from different manufacturers? We've talked about the Ford 427 vs. the Chevy 427 before, ...

General Motors has ceased production of its BrightDrop electric commercial vans. The decision follows slow sales and a broader company shift toward gas-powered vehicles. Automakers like GM and Ford ...

Imagine producing an engine so poor that it's led to over 600,000 vehicles being recalled and has been responsible for a dozen crashes and injuries, and you'll be in GM's shoes. That's the unfortunate ...

General Motors is offering free internet connectivity for audio streaming in some new cars. The perk is now part of the automaker’s OnStar Basics connectivity bundle. The Apple Music app is also ...

As GM Authority has covered for quite some time now, GM is set to launch a new variant of the mid-engine C8 that will dust off the Corvette Grand Sport nameplate and fill the gap between the C8 ...

What's the biggest difference between General Motors' 5.3-liter and 6.2-liter V8s? 0.9 liters. Goodnight! Alright, 5.3s and 6.2s contrast more than that, and quite a bit, too. There's plenty to ...

The two-stroke engine was once a staple in vehicles like the Trabant and other older models. Its simplicity and lightweight design made it a popular choice, but its inability to meet emissions ...