Matching a flat Weld-Craft 1648 Camo Duck Boat 2011 against a pontoon Weld-Craft CDL 70 Pontoon (18 ft.) 2008 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Both boats share a closely matched power ceiling — 35 hp for the Weld-Craft 1648 Camo Duck Boat 2011 and 40 hp for the Weld-Craft CDL 70 Pontoon (18 ft.) 2008. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
Bottom line: The Weld-Craft 1648 Camo Duck Boat 2011 and Weld-Craft CDL 70 Pontoon (18 ft.) 2008 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.