Toyota Mirai (2021) is 494 mm (19.45 inch) longer and 140 mm (5.51 inch) wider than Toyota Prius Prime (2016).
Toyota Prius Prime (2016) is 21 mm (0.83 inch) higher, 467 kg (1,030 lbs) lighter and has 92 liters (3.25 ft3) bigger cargo space than Toyota Mirai (2021).
Size difference at a glance
Toyota Mirai (2021) is 11% longer than Toyota Prius Prime (2016).
Toyota Mirai (2021) is 8% wider than Toyota Prius Prime (2016).
Toyota Mirai (2021) is 1.4% lower than Toyota Prius Prime (2016).
Toyota Mirai (2021) is 33.8% heavier than Toyota Prius Prime (2016).
Toyota Mirai (2021) is 20.1% smaller in cargo space than Toyota Prius Prime (2016).
Overall footprint
Toyota Mirai (2021) has a 19.9% larger overall footprint (length × width).
