General Motors once treated every division as its own little kingdom, each with a distinct V8 that gave Chevrolet, Pontiac, ...

The 5.3 GM engine has a few iron variants and cathedral ports while all 6.2 engine variants are aluminum with rectangular ...

GM leaks confirm the Chevy Corvette Grand Sport engine once again, after a deleted video first hinted at the details.

Chevy's double hump heads in its small-block V8 engines were powerful and capable, featuring closed-chamber designs that ...

Likely a six-figure classic, this 1970 Chevrolet Nova packs two rare features: a 375-horsepower L78 V8 and the Sunfire Yellow paint.

Ordering a 2026 GMC Sierra 1500 Elevation with the TurboMax engine now requires the Elevation Select Package, which bundles ...

The 2026 Chevy Suburban continues its role as a capable tow vehicle. Now, GM Authority is taking a closer look at how much the 2026 Chevy Suburban can tow.

This 1975 Chevrolet Nova landed online a few months ago, but it still struggles to find a home, despite a dropping selling price ...

I paid cash for two trucks, both failed.” A GMC owner exposes a 3.0L Duramax nightmare. Engines seizing at 6k miles, no ...

Explore how boxer engines really work, why they’re not just “flat” engines, and how Porsche and Subaru kept a 120-year-old ...

A GMC Sierra AT4 owner is trading in his Duramax for a 2025 Ford F-150 Lariat after repeat "Check Engine" failures. From "seats that suck" to coolant valve nightmares, find out why this high-mileage ...

The Oldsmobile 442 is an icon of automotive history, but the meaning of its name hasn't always been clear. Here's what it ...