Detailed Evaluation & Buyer Recommendation
Crestliner CR 1648 2012 vs Crestliner Grand Cayman 2685 I/O 2010: Same Brand, Different Boat
The Crestliner CR 1648 2012 is a flat-bottom design and the Crestliner Grand Cayman 2685 I/O 2010 is a pontoon design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Crestliner Grand Cayman 2685 I/O 2010 measures 25,5 feet overall (2010), giving it roughly 9,7 additional feet of deck space compared to the Crestliner CR 1648 2012 at 15,8 feet (2012). Weight tells a clearer story for trailering families: the Crestliner Grand Cayman 2685 I/O 2010 tips the scales at 3 719 lbs - 3 444 lbs less than the Crestliner CR 1648 2012 at 275 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 35 hp, the Crestliner CR 1648 2012 has a 32-hp advantage over the Crestliner Grand Cayman 2685 I/O 2010's 3-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 2685 I/O 2010 is rated for 14 passengers, while the Crestliner CR 1648 2012 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 2685 I/O 2010 could be the deciding factor.
Bottom line: Choose the Crestliner Grand Cayman 2685 I/O 2010 if your priority is putting more people on the water - it handles 14 passengers and at 25,5 ft it has the deck room to back that rating up comfortably. The Crestliner CR 1648 2012 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
ModelGrand Cayman 2685 I/O
Model Year2012
Model Year2010
Measurements / Dimensions
Beam70 in. (178 cm)
Beam102 in. (259 cm)
Beam - Meters1.78
Beam - Meters2.59
Beam - Inches70
Beam - Inches102
Depth - DetailSide: 21 in. (53 cm)
Depth - Detailnot available
Depth - Centimeters53.34
Depth - Centimetersnot available
Depth - Inches21
Depth - Inchesnot available
Weight - Detail275 lbs. (125 kg)
Weight - Detail3,400 lbs. (1,542 kg) 3,719 lbs. (1,687 kg) with Tritoon
Weight - kg124.74
Weight - kg1686.91
Weight - lbs.275
Weight - lbs.3719
Height [transom]15 in. (38 cm)
Height [transom]not available
Length - Feet15.83
Length - Feet25.5
Length overall - Detail15 ft. 10 in. (4.8 m)
Length overall - Detail25 ft. 6 in. (7.8 m)
Length overall - Meters4.83
Length overall - Meters7.77
Length overall - Inches190
Length overall - Inches306
Length [at waterline]not available
Length [at waterline]24 ft. (7.3 m) tube length
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.072 in.
Hull thicknessnot available
Hull typeFlat
Hull typePontoon
Engine and Drivetrain
Drive typeOutboard
Drive typeI/O
Engine max35 hp
Engine max3.0 - 5.0 l 3.0 - 5.7 l with Tritoon
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail35 gal. (132 l) 56 gal. (212 l) with Tritoon
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters211.98
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal56
Operational Info
Maximum capacity973 lbs. (442 kg)
Maximum capacity2,000 lbs. (907 kg)
Maximum people4
Maximum people14
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 tubes2 or 3