The Gekko GTS 20 2006 vs Gekko GTS 20 2008 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.
On paper these two are close siblings in the size department — Gekko GTS 20 2006 at 18,0 ft versus Gekko GTS 20 2008 at 18,0 ft. At 195 lbs and 195 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 375 hp, the Gekko GTS 20 2008 has a 369-hp advantage over the Gekko GTS 20 2006's 6-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Gekko GTS 20 2006 carries 35 gallons versus 28 gallons in the Gekko GTS 20 2008. 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 Gekko GTS 20 2006 is rated for 6 passengers, while the Gekko GTS 20 2008 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Gekko GTS 20 2006 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Gekko GTS 20 2008 comes in at 1 lbs per hp versus 33 lbs per hp for the Gekko GTS 20 2006. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Gekko GTS 20 2006 if your priority is putting more people on the water — it handles 6 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Gekko GTS 20 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.