Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era.

Introduced in 1970, the Chevy 454 -- affectionately known as the Rat Motor -- was the largest displacement Chevrolet engine ...

Checy pick-up trucks are known for their power, but the six most powerful engines ever put inside a Chevy truck had a ...

GM Authority reader Willard asks why the Chevy Colorado uses a four cylinder engine while Nissan Frontier gets a V6. We answer in today's GM Authority Mailbag.

The Chevrolet division of General Motors has built some incredible V8 throughout its history, but when it comes to ...

When we awarded the 2023 Chevrolet Colorado MotorTrend Truck of the Year, we loved its simple yet well-equipped lineup. It only comes with one cab and one bed option, but nearly everything else ...

The latest 2025 model year also debuts a new turbodiesel Duramax option, namely the 3.0L I6 LZ0 engine. Now, GM Authority has exclusively learned when the refreshed 2025 Chevy Tahoe and 2025 Chevy ...

The Chevrolet Colorado was redesigned for MY2023, and the big news was the introduction of a single 2.7-liter engine ...

Chevy's base mid-size pickup is now ready to gallop as quickly as the ZR2 Bison variant. The Colorado's GMC twin, the Canyon, already only offered one engine option, so this brings the pair in ...

Part of this silly rule included a mandate that no intermediate car could have an engine bigger than 400 cubic inches of displacement, with an exemption for the Chevrolet Corvette. This group ...