Detailed Evaluation & Buyer Recommendation
Starcraft Marine SeaFarer 16 L SS 2007 vs Starcraft Marine STX 186 Viper 2012 — Same Brand, Different Boat
The Starcraft Marine SeaFarer 16 L SS 2007 vs Starcraft Marine STX 186 Viper 2012 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 — Starcraft Marine SeaFarer 16 L SS 2007 at 16,0 ft versus Starcraft Marine STX 186 Viper 2012 at 18,5 ft. Weight tells a clearer story for trailering families: the Starcraft Marine STX 186 Viper 2012 tips the scales at 1 763 lbs — 1 734 lbs less than the Starcraft Marine SeaFarer 16 L SS 2007 at 29 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 175 hp, the Starcraft Marine STX 186 Viper 2012 has a 135-hp advantage over the Starcraft Marine SeaFarer 16 L SS 2007's 40-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 6 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Starcraft Marine STX 186 Viper 2012 at 18,5 ft is the right call if deck space, comfort, and entertaining are top of your list. The Starcraft Marine SeaFarer 16 L SS 2007 at 16,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeStarcraft Marine
MakeStarcraft Marine
ModelSeaFarer 16 L SS
ModelSTX 186 Viper
Model Year2007
Model Year2012
Measurements / Dimensions
Beam67 in. (170 cm)
Beam96 in
Beam - Meters1.7
Beam - Meters2.44
Beam - Inches67
Beam - Inches96
Deadrise8℃
Deadrisenot available
Depth - Detail29 in. (74 cm)
Depth - Detail24 in
Depth - Centimeters73.66
Depth - Centimeters60.96
Depth - Inches29
Depth - Inches24
Weight - Detail290 lbs. (131.5 kg)
Weight - Detail1,763 lbs
Weight - kg131.54
Weight - kg799.68
Weight - lbs.29
Weight - lbs.1763
Width [transom] - Detail66 in. (168 cm) Chine Width (at transom): 53 in. (135 cm)
Width [transom] - Detail92 in
Height [transom]20 in. (51 cm)
Height [transom]24 in
Length - Meters4.9
Length - Metersnot available
Length - Feet16
Length - Feet18.5
Length - Inches2
Length - Inchesnot available
Length overall - Detail16 ft. 2 in. (4.9 m)
Length overall - Detail18 ft. 6 in
Length overall - Meters4.93
Length overall - Meters5.64
Length overall - Inches194
Length overall - Inches222
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.100 in. (0.254 cm)
Hull thicknessnot available
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - DetailRequires portable fuel tank
Fuel tank capacity - Detail43 gal
Drive typeOutboard
Drive typeOutboard
Engine max40 hp (29.8 kW)
Engine max175 hp
Engine makenot available
Engine makeMercury
Engine modelnot available
Engine model135 XL Optimax
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters162.77
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal43
Operational Info
Maximum capacity1,220 lbs. (553.4 kg)
Maximum capacity1,750 lbs
Maximum people6 or 800 lbs. (362.9 kg)
Maximum people6
Trailer Info
Trailer - Length over allnot available
Trailer - Length over all22 ft. 4 in
Trailer - Weightnot available
Trailer - WeightTowing Weight: 3,491 lbs