Crestliner CR 1648 MTS 2005 boat specs
Crestliner
Crestliner CR 1648 MTS 2005
2005
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Crestliner Grand Cayman 2585 RFL TriToon 2010 boat specs
Crestliner
Crestliner Grand Cayman 2585 RFL TriToon 2010
2010
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Crestliner CR 1648 MTS 2005 vs Crestliner Grand Cayman 2585 RFL TriToon 2010 — Same Brand, Different Boat

The Crestliner CR 1648 MTS 2005 vs Crestliner Grand Cayman 2585 RFL TriToon 2010 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 Crestliner Grand Cayman 2585 RFL TriToon 2010 measures 26,7 feet overall (2010), giving it roughly 11,7 additional feet of deck space compared to the Crestliner CR 1648 MTS 2005 at 15,0 feet (2005). At 275 lbs and 265 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 250 hp, the Crestliner Grand Cayman 2585 RFL TriToon 2010 has a 215-hp advantage over the Crestliner CR 1648 MTS 2005's 35-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Crestliner Grand Cayman 2585 RFL TriToon 2010 is rated for 17 passengers, while the Crestliner CR 1648 MTS 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Grand Cayman 2585 RFL TriToon 2010 could be the deciding factor.

Bottom line: Choose the Crestliner Grand Cayman 2585 RFL TriToon 2010 if your priority is putting more people on the water — it handles 17 passengers and at 26,7 ft it has the deck room to back that rating up comfortably. The Crestliner CR 1648 MTS 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.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelCR 1648 MTS
ModelGrand Cayman 2585 RFL Tritoon
Model Year2005
Model Year201
Measurements / Dimensions
Beam70 in. (178 cm)
Beam102 in. (259 cm)
Beam - Meters1.78
Beam - Meters2.59
Beam - Inches7
Beam - Inches102
Depth - Detail21 in. (53 cm)
Depth - Detailnot available
Depth - Centimeters53.34
Depth - Centimetersnot available
Depth - Inches21
Depth - Inchesnot available
Weight - Detail275 lbs. (125 kg)
Weight - Detail2,650 lbs. (1,202 kg)
Weight - kg124.74
Weight - kg1202.02
Weight - lbs.275
Weight - lbs.265
Width [transom] - Detail48 in. (122 cm)
Width [transom] - Detailnot available
Height [transom]20 in. (51 cm)
Height [transom]not available
Length - Meters4.8
Length - Metersnot available
Length - Feet15
Length - Feet26.67
Length - Inches1
Length - Inchesnot available
Length overall - Detail15 ft. 10 in. (4.8 m)
Length overall - Detail26 ft. 8 in. (8.1 m)
Length overall - Meters4.83
Length overall - Meters8.13
Length overall - Inches19
Length overall - Inches32
Length [at waterline]not available
Length [at waterline]24 ft. (7.3 m) tube length
Body / Hull
Hull thickness.072 in
Hull thicknessnot available
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typePontoon
Engine and Drivetrain
Engine max35 hp
Engine max250 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail56 gal. (212 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters211.98
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal56
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity973 lbs. (442 kg)
Maximum capacity3,700 lbs. (1,678 kg)
Maximum people4
Maximum people17
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter27 in. (69 cm)
Tube gaugenot available
Tube gauge0.080 in. tube 0.090 in. nose cone
Number of tubesnot available
Number of tubes3

Crestliner CR 1648 MTS 2005 vs Crestliner Grand Cayman 2585 RFL TriToon 2010 — Common Questions

Which is the larger boat — the Crestliner CR 1648 MTS 2005 or the Crestliner Grand Cayman 2585 RFL TriToon 2010?
The Crestliner Grand Cayman 2585 RFL TriToon 2010 is the longer of the two at 26,7 feet overall. The Crestliner CR 1648 MTS 2005 comes in at 15,0 feet, making it roughly 11,7 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner CR 1648 MTS 2005 or the Crestliner Grand Cayman 2585 RFL TriToon 2010?
For trailering, the Crestliner Grand Cayman 2585 RFL TriToon 2010 has the edge at 265 lbs dry weight versus 275 lbs for the Crestliner CR 1648 MTS 2005. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Crestliner Grand Cayman 2585 RFL TriToon 2010 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Crestliner CR 1648 MTS 2005 tops out at 35 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Crestliner CR 1648 MTS 2005 is Coast Guard rated for 4 passengers, while the Crestliner Grand Cayman 2585 RFL TriToon 2010 is certified for 17. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat is wider, and does it affect trailering?
The Crestliner Grand Cayman 2585 RFL TriToon 2010 measures 102" wide, compared to 7" for the Crestliner CR 1648 MTS 2005. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Crestliner CR 1648 MTS 2005 and Crestliner Grand Cayman 2585 RFL TriToon 2010 from the same manufacturer?
Yes — both the Crestliner CR 1648 MTS 2005 and the Crestliner Grand Cayman 2585 RFL TriToon 2010 are built by Crestliner. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.