MazdaCX-90 CX-90 PHEV Preferred AWD MY2025 US2025Engine oil capacity4.5 L (4.8 US qt) with oil filter replacement, approximatelyOwn-model CX-90 PHEV Capacities table, Engine oil / With oil filter replacement row (approximate quantity). Without filter replacement the table gives 4.3 L (4.5 US qt). The spec deck's PHEV column gives 4.8 qt / 4.5 L.Open answer & source →Vehicle reference