2024 Toyota Prius Prime Mpg. Per the epa, the prime se is rated to return 53/51/52 mpg city/highway/combined when operating as a hybrid—stingier than the already efficient prius prime xse (50/47/48 mpg). The 2024 toyota prius prime’s nrcan fuel economy figures are listed at 4.4 l/100 (53 mpg) city, 4.6 l/100 km (51 mpg) highway, and 4.5 l/100 km (52 mpg) combined.
In our testing, we recorded 46 mpg. Start going up the trim levels, and it drops to 52/52/52 mpg for the xle and.