Gmc Acadia 2024 Dimensions Mm. The new acadia is 10.6 inches longer and 3.2 inches taller than its predecessor, according to gmc. For starters, it’s bigger — a lot bigger.

The new acadia is 10.6 inches longer and 3.2 inches taller than its predecessor, according to gmc. The automaker claims that there’s almost 80 percent.