Chevrolet has a full lineup of utility vehicles, but at the smaller end of the spectrum, it’s created some confusion. It used to sell the small Trailblazer (which had been a large SUV in the 1990s) and an even smaller Trax—but for 2024, the Trax has grown up, and now is larger than the Trailblazer. Confused? No need to be, because some...