The Mazda CX-90 was a big deal for the Japanese automaker when it launched, and not just because of the SUV’s physical size. Mazda gave it the brand’s first new rear-drive platform since the fourth-generation MX-5 Miata launched. Mazda also gave it an inline-six, an engine mostly associated with luxury brands. In the United States, this six-cylinder runs on gas, but it has a cousin overseas that burns diesel. Let’s see how they stack up, and whether America is missing out.
