Both the Gator Bay Gator Bay 1900 RG 2010 and the Gator Bay Gator Bay 2100 RG 2010 are modified-V designs, both built in fibreglass, so the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department - Gator Bay Gator Bay 1900 RG 2010 at 19,0 ft versus Gator Bay Gator Bay 2100 RG 2010 at 21,0 ft. Weight tells a clearer story for trailering families: the Gator Bay Gator Bay 2100 RG 2010 tips the scales at 1 670 lbs - 290 lbs less than the Gator Bay Gator Bay 1900 RG 2010 at 1 380 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 200 hp, the Gator Bay Gator Bay 2100 RG 2010 has a 25-hp advantage over the Gator Bay Gator Bay 1900 RG 2010's 175-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Gator Bay Gator Bay 2100 RG 2010 carries 76 gallons versus 40 gallons in the Gator Bay Gator Bay 1900 RG 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Gator Bay Gator Bay 2100 RG 2010 is rated for 6 passengers, while the Gator Bay Gator Bay 1900 RG 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Gator Bay Gator Bay 2100 RG 2010 could be the deciding factor.