General Motors' LS4 engine has long been known to have a number of issues - here are the biggest problems owners have reported with it.

A new class action says GM uses low oil to deny Duramax engine claims. GM’s own 2024 and 2025 dealer bulletins show why a cracked oil cooler makes a neglected engine and a defective one look the same.

The 1962 GMC C1000 gets a comprehensive engine refresh with a vintage-inspired twist, blending modern LS reliability with ...

The National Highway Traffic Safety Administration (NHTSA) has opened a new investigation into a potential safety issue affecting certain units of the GMC Sierra 1500 pickup. The investigation follows ...