PII – Has the same hull since it was introduced in 2007 PIV – Has the same hull since introduced Cougar – The Advantage Elite models in 2008 were the original 20 hull, and the 2009 models are the newer hull. Puma – There was the orignal hull from 2005 through 2007. Along that time there was a Wide Body hull for the Verado engines and such with more rear buoyancy. Then in 2008 it went to the Euro Hull, which was enhanced in 2009 and made to accommodate the Cougar ADvantage Elite models.