http://www.animenewsnetwork.com/interest/2010-11-26/one-piece-nissan-collaborate-on-ita-van-ads
Click these links for pictures:
http://car.watch.impress.co.jp/docs/news/20101126_409612.html
http://animeanime.jp/news/archives/2010/11/cm_4.html
The hood is the lion face, and the roof is the sail. It looks pretty good.