2019 preliminary mpg estimates decided by Toyota. 2018 EPA-estimated 54 metropolis/50 freeway/52 mixed mpg for Prius. 2018 EPA-estimated 19 city/27 freeway/22 mixed mpg for Sienna FWD. Actual mileage will vary. 2019 Prius Prime EPA-estimated 55 Car metropolis/fifty three hwy/54 mixed mpg. 2017 EPA-estimated 54 metropolis/50 freeway/52 mixed mpg for Prius. […]