CX-9的底盤是福特的CD3

The Ford CD3 platform (for "C/D-class") is a Ford midsize car automobile platform. It was designed by Mazda.

Vehicles currently using this platform include:

• 2002–2008 Mazda 6 (GG)
• 2006–present Besturn B70
• 2006–2012 Ford Fusion (CD338)
• 2006–2012 Lincoln Zephyr/MKZ (CD378)
• 2006–2011 Mercury Milan (CD338)
• 2007–present Mazda CX-9
• 2007–2014 Ford Edge crossover SUV (U387)
• 2007–present Lincoln MKX crossover SUV (U388)
• 2008–2012 Mazda 6 (GH) (Note: modified platform)
• 2009–present Besturn B50