Within one week of each other, both Ram and GMC launched their latest light-duty diesel pickups at media drive events: the 2020 GMC Sierra 1500 Duramax diesel and the 2020 Ram 1500 EcoDiesel]. First, ...

The Environmental Protection Agency has yet to release its official highway, city and combined fuel economy ratings for the 2020 GMC Sierra 2500HD with the 6.6-liter L5P Duramax diesel V8 engine, but ...

Although General Motors manufactures the most fuel-efficient half-ton pickups—the 3.0-liter Duramax diesel Chevrolet Silverado and GMC Sierra 1500 models—there’s quite a deficit to Ford and Ram when ...

The 2023 GMC Sierra 1500 will introduce a few updates and changes over the fully refreshed 2022 model year, dropping in as the fourth model year for the latest fourth-generation pickup. Critically, GM ...

The 2024 GMC Sierra AT4X is getting an upgraded powerplant for the new model year. Where it once solely featured GM’s 6.2-liter V8 truck engine, it’s now set to offer Duramax diesel power as standard.

Injecting water methanol into the intake of a diesel engine is a means to increasing performance, reducing exhaust gas temperature (EGT), and can also increase full economy. Snow Performance has been ...

Last year, we found a lot to like about the 2019 GMC Sierra 1500 AT4. Equipped with a brawny 6.2L V-8 and 10-speed automatic, it featured excellent styling, Olympic-sprinter reflexes, and a cushy ...

Judging from ads, you’d think the life of every pickup truck owner is all about towing huge trailers and going on off-road adventures. Yet many owners now use their pickup trucks as daily drivers, so ...

Ram, Chevrolet and GMC have new diesel powertrains for their latest half-ton pickup trucks, and within the past few months, we’ve put both the 2020 Ram 1500 EcoDiesel and 2020 GMC Sierra 1500 diesel ...