GMC Acadia 2016–2020 vs Rivian R2 2026– size comparison

Rivian R2 2026– is 195 mm (4.0%) shorter than GMC Acadia 2016–2020. It is 10 mm (0.5%) narrower, 23 mm (1.4%) taller and 78 mm (2.7%) longer in wheelbase.

DimensionGMC Acadia 2016–2020Rivian R2 2026–Difference
Length4917 mm4722 mm-195 mm (-4.0%)
Width1915 mm1905 mm-10 mm (-0.5%)
Height1676 mm1699 mm+23 mm (+1.4%)
Wheelbase2858 mm2936 mm+78 mm (+2.7%)

GMC Acadia 2016–2020 dimensions · Rivian R2 2026– dimensions