The LS engine is one of the first things enthusiasts think of about General Motors. Which cars have the LSA? What do the letters actually stand for?

During the COVID-19 pandemic, GM decided to remove certain fuel-saving features from its production vehicles - but not the ...

GM Authority is taking a closer look at the 2026 Chevy Traverse towing capacities. Check out some 2026 Chevy Traverse towing ...

When it comes to maximum towing capacities, the LZ0 and L87 are very close. Only 100 pounds (45 kilograms) separate the ...

In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...

GM's 2.7L TurboMax engine is a great example of how automakers are favoring downsizing and turbocharging in favor of high cylinder counts and large capacities these days. The engine, which was ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...

As of May 1, American automaker General Motors, which has a manufacturing plant in Tennessee, has recalled nearly 600,000 full-size SUVs and trucks (721,000 globally). This is the largest recall of ...

Recalls are a common occurrence for automakers but new info regarding GM's V8 engine is raising eyebrows. The American 'big three' automaker is battling a class action lawsuit filed on behalf of a GMC ...