BMW iX3 2025– vs BMW X3 2017–2021 size comparison

BMW X3 2017–2021 is 74 mm (1.5%) shorter than BMW iX3 2025–. It is 4 mm (0.2%) narrower, 41 mm (2.5%) taller and 33 mm (1.1%) shorter in wheelbase. Boot space with the seats up is 520 L and 550 L (+30 L).

DimensionBMW iX3 2025–BMW X3 2017–2021Difference
Length4782 mm4708 mm-74 mm (-1.5%)
Width1895 mm1891 mm-4 mm (-0.2%)
Height1635 mm1676 mm+41 mm (+2.5%)
Wheelbase2897 mm2864 mm-33 mm (-1.1%)
Boot520 L550 L+30 L

BMW iX3 2025– dimensions · BMW X3 2017–2021 dimensions