Originally Posted by shivers
Accords, TLs, CLs, Pilots, MDXs, etc. are all SOHC (2 cams, one per side). The only DOHC (4 cams, 2 per side) Honda V6 is in the NSX.
DOHC's can generally handle higher revolutions better because they're closer to the valves.
They also tend to be noiser in operation, which you don't want for a luxury-isque vehicle.