Matching a flat Weld-Craft CDS 70 (18 ft.) 2010 against a deep vee Weldcraft Marine 206 2009 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.
The Weld-Craft CDS 70 (18 ft.) 2010 carries a rated maximum of 40 hp. Engine data for the Weldcraft Marine 206 2009 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.
For family outings this is probably the sharpest distinction between the two. The Weldcraft Marine 206 2009 is rated for 6 passengers, while the Weld-Craft CDS 70 (18 ft.) 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Weldcraft Marine 206 2009 could be the deciding factor.
Bottom line: Choose the Weldcraft Marine 206 2009 if your priority is putting more people on the water — it handles 6 passengers and at 20,5 ft it has the deck room to back that rating up comfortably. The Weld-Craft CDS 70 (18 ft.) 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.