BMW i8 2014–2020 vs Porsche 718 Cayman 2021– size comparison

Porsche 718 Cayman 2021– is 233 mm (5.0%) shorter than BMW i8 2014–2020. It is 120 mm (6.2%) narrower, 26 mm (2.0%) lower and 318 mm (11.4%) shorter in wheelbase.

DimensionBMW i8 2014–2020Porsche 718 Cayman 2021–Difference
Length4689 mm4456 mm-233 mm (-5.0%)
Width1942 mm1822 mm-120 mm (-6.2%)
Height1293 mm1267 mm-26 mm (-2.0%)
Wheelbase2800 mm2482 mm-318 mm (-11.4%)

BMW i8 2014–2020 dimensions · Porsche 718 Cayman 2021– dimensions