Detailed Evaluation & Buyer Recommendation
Starcraft Marine 2321 I/O RE 2010 vs Starcraft Marine C-Star 186 SC 2004 — Same Brand, Different Boat
The Starcraft Marine 2321 I/O RE 2010 vs Starcraft Marine C-Star 186 SC 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.
The power gap is worth calling out. Rated to 320 hp, the Starcraft Marine 2321 I/O RE 2010 has a 305-hp advantage over the Starcraft Marine C-Star 186 SC 2004's 15-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Starcraft Marine 2321 I/O RE 2010 carries 45 gallons versus 32 gallons in the Starcraft Marine C-Star 186 SC 2004. 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 Starcraft Marine 2321 I/O RE 2010 is rated for 12 passengers, while the Starcraft Marine C-Star 186 SC 2004 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Starcraft Marine 2321 I/O RE 2010 could be the deciding factor.
Bottom line: Choose the Starcraft Marine 2321 I/O RE 2010 if your priority is putting more people on the water — it handles 12 passengers and at 21,2 ft it has the deck room to back that rating up comfortably. The Starcraft Marine C-Star 186 SC 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeStarcraft Marine
MakeStarcraft Marine
Model2321 I/O RE
ModelC-Star 186 SC
Model Year201
Model Year2004
Measurements / Dimensions
Beam - Meters2.59
Beam - Meters2.34
Beam - Inches102
Beam - Inches92
Deadrise17°
Deadrise15℃
Depth - Detail32 in
Depth - Detailnot available
Depth - Centimeters81.28
Depth - Centimetersnot available
Depth - Inches32
Depth - Inchesnot available
Weight - Detail2,300 lbs
Weight - Detail1215 lbs
Weight - kg1043.26
Weight - kg551.11
Weight - lbs.23
Weight - lbs.1215
Width [transom] - Detail99 in
Width [transom] - Detailnot available
Length - Feet21.17
Length - Feetnot available
Length overall - Detail21 ft. 2 in
Length overall - Detail18 ft. 5 in
Length overall - Meters6.45
Length overall - Meters5.61
Length overall - Inches254
Length overall - Inches221
Draft [drive up] - Detailnot available
Draft [drive up] - Detail13 in
Draft [drive up] metersnot available
Draft [drive up] meters0.33
Draft [drive up] inchesnot available
Draft [drive up] inches13
Draft [max] - Detailnot available
Draft [max] - Detail25 in
Draft [max] - Metersnot available
Draft [max] - Meters0.64
Draft [max] - Inchesnot available
Draft [max] - Inches25
Height - Detailnot available
Height - Detail27 in
Height - Metersnot available
Height - Meters0.69
Height - Inchesnot available
Height - Inches27
Height [transom]not available
Height [transom]20 in
Body / Hull
Hull materialFiberglass
Hull materialAluminum
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail45 gal
Fuel tank capacity - Detail32 gal
Fuel tank capacity - Liters170.34
Fuel tank capacity - Liters121.13
Fuel tank capacity - Gal45
Fuel tank capacity - Gal32
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typenot available
Engine max320 hp
Engine max15
Operational Info
Maximum capacity1,900 lbs
Maximum capacity1950 lbs
Maximum people12 or 1,675 lbs
Maximum people8 persons
Trailer Info
Trailer - Length over all25 ft. 2 in
Trailer - Length over allnot available
Trailer - WeightTowing Weight: 3,728 lbs
Trailer - Weightnot available