Building on the new Sierra launched in 2019, the 2020 GMC Sierra expands the use of the big 6.2L V8 engine, adds adaptive cruise control and we finally have pricing for the new Carbon Pro pickup box, well, sorta. The key 2020 GMC Sierra updates include: Available Enhanced ProGrade Trailering features a segment-first transparent trailer … Continue reading 2020 GMC Sierra Updated – What to Expect, Carbon Box Pricing