The Gib Sea Gib'Sea 105 - Plus Plus 1980 vs Gib Sea Gib'sea 92 - Deep draft Deep draft 1985 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 Gib Sea Gib'Sea 105 - Plus Plus 1980 measures 34,4 feet overall (1980), giving it roughly 3,2 additional feet of deck space compared to the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985 at 31,2 feet (1985). At 10 141 lbs and 10 119 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.
Both boats share a closely matched power ceiling — 28 hp for the Gib Sea Gib'Sea 105 - Plus Plus 1980 and 18 hp for the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. 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. Fuel capacity breaks the other way: the Gib Sea Gib'Sea 105 - Plus Plus 1980 carries 26 gallons versus 15 gallons in the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. 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 Gib Sea Gib'Sea 105 - Plus Plus 1980 is rated for 10 passengers, while the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Gib Sea Gib'Sea 105 - Plus Plus 1980 could be the deciding factor.
Both boats sit in a similar displacement bracket — 10 141 lbs for the Gib Sea Gib'Sea 105 - Plus Plus 1980 and 10 119 lbs for the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Both boats draw a similar depth — 5,1 ft and 5,1 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Gib Sea Gib'Sea 105 - Plus Plus 1980 uses Sloop rigging. Helm style differs too: the Gib Sea Gib'Sea 105 - Plus Plus 1980 uses a 1 tiller (helm wheel in option) versus a 1 tiller on the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. Wheel helms give better leverage and visibility on larger boats; tillers offer direct feedback and simplicity on smaller ones. For auxiliary power the Gib Sea Gib'Sea 105 - Plus Plus 1980 carries a 28-hp engine against 18 hp on the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
Hull speed is rated at 7,3 knots for the Gib Sea Gib'Sea 105 - Plus Plus 1980 and 6,7 knots for the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985. For extended cruising, water capacity matters: the Gib Sea Gib'Sea 105 - Plus Plus 1980 carries 85 gallons versus 37 gallons on the Gib Sea Gib'sea 92 - Deep draft Deep draft 1985 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Gib Sea Gib'Sea 105 - Plus Plus 1980 at 34,4 ft offers more living space, greater range, and a more substantial offshore capability. The Gib Sea Gib'sea 92 - Deep draft Deep draft 1985 at 31,2 ft is the easier, lower-cost option — simpler to crew and a strong choice for coastal and day sailing.