The 2020 Mazda CX-30 is powered by a 2.5-liter I-4 with 186 hp and 186 lb-ft of torque. With the standard six-speed automatic transmission, the 2020 CX-30 is EPA-rated at 25/33 mpg city/highway for FWD models. With AWD, the CX-30 is rated at 24/31 mpg in all but the range-topping Premium trim.