Ranger 191 Cayman 2007 boat specs
Ranger
Ranger 191 Cayman 2007
2007
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VS
Ranger Z518 Comanche 2013 boat specs
Ranger
Ranger Z518 Comanche 2013
2013
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Ranger 191 Cayman 2007 vs Ranger Z518 Comanche 2013 — Same Brand, Different Boat

The Ranger 191 Cayman 2007 vs Ranger Z518 Comanche 2013 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 — Ranger 191 Cayman 2007 at 19,0 ft versus Ranger Z518 Comanche 2013 at 18,7 ft. At 118 lbs and 155 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 200 hp, the Ranger 191 Cayman 2007 has a 50-hp advantage over the Ranger Z518 Comanche 2013's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Ranger 191 Cayman 2007 carries 48 gallons versus 33 gallons in the Ranger Z518 Comanche 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 5 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: Performance buyers should lean toward the Ranger 191 Cayman 2007 and its 200-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Ranger Z518 Comanche 2013 with its 150-hp rating is the more economical daily driver.
General Boat Info
MakeRanger
MakeRanger
Model191 Cayman
ModelZ518 Comanche
Model Year2007
Model Year2013
Measurements / Dimensions
Beam93 in
Beam92.5 in. With Rubrail: 94 in
Beam - Meters2.36
Beam - Meters2.39
Beam - Inches93
Beam - Inches94
Depth - Detail14 in
Depth - Detail20 in
Depth - Centimeters35.56
Depth - Centimeters50.8
Depth - Inches14
Depth - Inches2
Draft [max] - Detail10 1/2 in. (engine up, batteries, fuel and accessories)
Draft [max] - Detailnot available
Draft [max] - Meters0.28
Draft [max] - Metersnot available
Draft [max] - Inches10.5
Draft [max] - Inchesnot available
Weight - DetailDeck / Hull: 1,180 lbs
Weight - Detail1,550 lbs
Weight - kg535.24
Weight - kg703.07
Weight - lbs.118
Weight - lbs.155
Height [transom]22 1/2 in
Height [transom]not available
Length - Feet19
Length - Feet18.67
Length - Inches1
Length - Inchesnot available
Length overall - Detail19 ft. 1 in
Length overall - Detail18 ft. 8 in
Length overall - Meters5.82
Length overall - Meters5.69
Length overall - Inches229
Length overall - Inches224
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail48 gal
Fuel tank capacity - Detail33 gal
Fuel tank capacity - Liters181.7
Fuel tank capacity - Liters124.92
Fuel tank capacity - Gal48
Fuel tank capacity - Gal33
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max200 hp
Engine maxnot available
Horsepowernot available
Horsepower150 - 200 hp
Operational Info
Maximum capacity1,580 lbs
Maximum capacity1,200 lbs
Storagenot available
StorageLivewell: 24 gal. Rod Holders: 8 ft. port, 8 ft. center
Trailer Info
Trailer - DetailGVWR: 4,500 lbs
Trailer - Detailnot available
Trailer - Length over all23 ft. 5 in. with motor down 21 ft. 5 in. with motor down & swing-away tongue open
Trailer - Length over all23 ft. 7 in. with motor down 21 ft. 7 in. with swing away tongue open
Trailer - Width100 in
Trailer - Width99 in
Trailer - Weightnot available
Trailer - WeightGVWR: 3,725 lbs

Ranger 191 Cayman 2007 vs Ranger Z518 Comanche 2013 — Common Questions

Which is the larger boat — the Ranger 191 Cayman 2007 or the Ranger Z518 Comanche 2013?
The Ranger 191 Cayman 2007 is the longer of the two at 19,0 feet overall. The Ranger Z518 Comanche 2013 comes in at 18,7 feet, making it roughly 0,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Ranger 191 Cayman 2007 or the Ranger Z518 Comanche 2013?
For trailering, the Ranger 191 Cayman 2007 has the edge at 118 lbs dry weight versus 155 lbs for the Ranger Z518 Comanche 2013. 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 Ranger 191 Cayman 2007 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Ranger Z518 Comanche 2013 tops out at 150 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 Ranger 191 Cayman 2007 is Coast Guard rated for 5 passengers, while the Ranger Z518 Comanche 2013 is certified for 5. 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 Ranger Z518 Comanche 2013 measures 94" wide, compared to 93" for the Ranger 191 Cayman 2007. 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.
Which boat has the larger fuel tank — the Ranger 191 Cayman 2007 or the Ranger Z518 Comanche 2013?
The Ranger 191 Cayman 2007 has the bigger tank at 48 gallons, versus 33 gallons on the Ranger Z518 Comanche 2013. That 15-gallon difference translates to roughly 45–75 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Ranger 191 Cayman 2007 and Ranger Z518 Comanche 2013 from the same manufacturer?
Yes — both the Ranger 191 Cayman 2007 and the Ranger Z518 Comanche 2013 are built by Ranger. 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.