The Gillgetter 510 Standard 2005 vs Gillgetter 612 Tiller 2004 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Gillgetter 612 Tiller 2004 measures 15,0 feet overall (2004), giving it roughly 14,0 additional feet of deck space compared to the Gillgetter 510 Standard 2005 at 1,0 feet (2005). Weight tells a clearer story for trailering families: the Gillgetter 510 Standard 2005 tips the scales at 385 lbs — 319 lbs more than the Gillgetter 612 Tiller 2004 at 66 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.
For family outings this is probably the sharpest distinction between the two. The Gillgetter 612 Tiller 2004 is rated for 5 passengers, while the Gillgetter 510 Standard 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Gillgetter 612 Tiller 2004 could be the deciding factor.
Bottom line: Choose the Gillgetter 612 Tiller 2004 if your priority is putting more people on the water — it handles 5 passengers and at 15,0 ft it has the deck room to back that rating up comfortably. The Gillgetter 510 Standard 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.