The whole 2018 GMC Sierra will continue with their yearly updates, as it was so far. Exact details are still unknown, but we expect to see several changes both for 1500 and HD models. These models are present for many years, and they are the major part of GMC’s production. Other models of the brand aren’t as popular as these trucks. They will continue to share most of its characteristics with Chevy Silverado, including platform, chassis, engine etc. As you probably heard already, company prepares big updates for 2017 year models, especially for HD trucks, which indicate that 2018 Sierra models could come with some smaller updates.
2018 GMC Sierra 1500
When it is about Light Duty series, 2018 GMC Sierra could receive some interesting changes. Company is currently focused on major update of HD models. So, 2017 Sierra 1500 will feature just some smaller updates such as new colors, complete phase out of 6-speed automatic in favor of new 8-speed gearbox etc. For the 2018 2018 Sierra 1500, we could see some bigger rearrangement when it comes to standard features for each trim level. However, we still don’t have more precise details about it.
2018 GMC Sierra HD
Heavy Duty models will soon receive some big updates. The upcoming 2017 model will get many new things, both in visual and mechanical aspect. Besides some visual tweaks, especially at the front end, we will see new air-intake system, which includes new hood scoop too. Also, we could see some tweaks on diesel engine, which should improve power and overall efficiency. So, we can conclude that changes for 2018 GMC Sierra won’t be so significant. However, we should also see some new features for each trim level.
2018 GMC Sierra engines
The 2018 GMC Sierra should continue with the pretty much same engine lineup as current model. There are several engines in offer. When it is about 1500 model, there are three units in offer. Base 4.3 liter V6 bursts around 285 horses. There are also two V8 units with displacement of 5.3 and 6.2 liters, with 355 and 420 horses, respectively. When it comes to HD models, base gasoline 6.0 liter V8 is good for about 360 horses. On the other side, upcoming 2017 model will receive new 6.6 liter Duramax diesel, with 445 horsepower and 910 pound-feet of torque.
2018 GMC Sierra release date
All 2018 GMC Sierra model should come somewhere in the second half of next year.