2021 Kia K5 Dimensions

Here are some of the dimensions for the new K5.

Length - 193.1 inches (4905 mm)
Width - 73.2 inches (1859 mm)
Height - 56.9 inches (1445 mm)
Wheelbase - 112.2 inches (2850 mm)

Those measurements put the K5 2 inches (51 mm) longer and 0.8 inches (20 mm) lower than the Optima with a 1.8 inch (46 mm) longer wheelbase.

Front Seat Legroom - 46.1 inches (1171 mm)
Rear Seat Legroom - 35.2 inches (894 mm)
Front Seat Headroom - 38.4 inches (975 mm)
Rear Seat Headroom - 37.4 inches (950 mm)

Trunk Space - 16 cubic feet (453 liters)

In comparison the Accord is 16.7 cubic feet (473 liters) and the Camry is 15.1 cubic feet (428 liters)