Both the Blazer and Trailblazer are back at Chevy but forget those vehicles from the past; these are entirely different SUVs now, starting with the brand’s most affordable, the all-new 2021 Trailblazer. A base, front-wheel drive Trailblazer L available only in white with 16” steel wheels comes in at $19,995 including freight, making it even less expensive than the most entry-level Trax. It’s powered by a 1.2-liter turbocharged engine and …