The Cayenne is redesigned for 2019 – and it is identical to the 2018 & newer Audi Q5 back seat except for one notable difference. While the Q5 made the wise choice to make all the seat belt buckles flexible… the Cayenne only gave 2C a flexible buckle, which will make it hard to fit 2 side-by-side (2 car seats or 1 adult + 1 car seat) in 2D & 2C because of the rigid buckles that 2D & 2P have.
This is not a vehicle we’d recommend buying for 3-across… but here are a few combos we’ve found that worked. 
