Glastron GT 225 2008 boat specs
Glastron
Glastron GT 225 2008
2008
View full specs →
VS
Glastron GX 180 Ski & Fish 2006 boat specs
Glastron
Glastron GX 180 Ski & Fish 2006
2006
View full specs →

Glastron GT 225 2008 vs Glastron GX 180 Ski & Fish 2006: Same Brand, Different Boat

The Glastron GT 225 2008 vs Glastron GX 180 Ski & Fish 2006 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 - Glastron GT 225 2008 at 21,0 ft versus Glastron GX 180 Ski & Fish 2006 at 18,0 ft. Weight tells a clearer story for trailering families: the Glastron GT 225 2008 tips the scales at 3 000 lbs - 1 280 lbs more than the Glastron GX 180 Ski & Fish 2006 at 1 720 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 320 hp, the Glastron GT 225 2008 has a 170-hp advantage over the Glastron GX 180 Ski & Fish 2006'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 Glastron GT 225 2008 carries 35 gallons versus 29 gallons in the Glastron GX 180 Ski & Fish 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Glastron GT 225 2008 at 21,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Glastron GX 180 Ski & Fish 2006 at 18,0 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
MakeGlastron
MakeGlastron
ModelGT 225
ModelGX 180 Ski & Fish
Model Year2008
Model Year2006
Measurements / Dimensions
Beam99 in. (2.53 m)
Beam91 in. (2.31 m)
Beam - Meters2.51
Beam - Meters2.31
Beam - Inches99
Beam - Inches91
Deadrise21℃
Deadrise21℃
Depth - Detail6.5 in. (1.18 m) Cockpit: 30.5 in. (0.77 m)
Depth - Detail43 in. (1.09 m) Cockpit: 29.5 in. (.75 m)
Depth - Centimeters78.74
Depth - Centimeters109.22
Depth - Inches30.5
Depth - Inches43
Draft [max] - Detail31.5 in. (0.80 m)
Draft [max] - Detail29 in. (.74 m)
Draft [max] - Meters0.81
Draft [max] - Meters0.74
Draft [max] - Inches31.5
Draft [max] - Inches29
Weight - Detail3,000 lbs. (1,364 kg) w/5.0 GL Volvo Penta
Weight - Detailw/o engine: 1,720 lbs. (780 kg)
Weight - kg1360.78
Weight - kg780.18
Weight - lbs.3000
Weight - lbs.1720
Width [transom] - Detail92 in. (2.34 m)
Width [transom] - Detail86 in. (2.18 m)
Length - Meters6.55
Length - Metersnot available
Length - Feet21
Length - Feet18
Length - Inches6
Length - Inchesnot available
Length [over all with swim platform]21 ft. 6 in. (6.55 m)
Length [over all with swim platform]not available
Length overall - Detailnot available
Length overall - Detail18 ft. 0 in. (5.49 m)
Length overall - Metersnot available
Length overall - Meters5.49
Length overall - Inchesnot available
Length overall - Inches216
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine/s standard5.0 GL Volvo Penta (220 hp)
Engine/s standardJohnson 115 PLSD
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Detail29 gal. (110 l)
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters109.78
Fuel tank capacity - Gal35
Fuel tank capacity - Gal29
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typeOutboard
Engine max320 hp
Engine max150 hp
Operational Info
Maximum capacity1,475 lbs. (669 kg)
Maximum capacity1,225 lbs. (556 kg)
Trailer Info
Trailer - DetailEZ Loader GM 4000T (painted)
Trailer - Detailnot available

Glastron GT 225 2008 vs Glastron GX 180 Ski & Fish 2006 - Common Questions

Which is the larger boat - the Glastron GT 225 2008 or the Glastron GX 180 Ski & Fish 2006?
The Glastron GT 225 2008 is the longer of the two at 21,0 feet overall. The Glastron GX 180 Ski & Fish 2006 comes in at 18,0 feet, making it roughly 3,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer - the Glastron GT 225 2008 or the Glastron GX 180 Ski & Fish 2006?
For trailering, the Glastron GX 180 Ski & Fish 2006 has the edge at 1 720 lbs dry weight versus 3 000 lbs for the Glastron GT 225 2008. 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 Glastron GT 225 2008 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Glastron GX 180 Ski & Fish 2006 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 passengers can the Glastron GX 180 Ski & Fish 2006 carry?
The Glastron GX 180 Ski & Fish 2006 has an official capacity rating of 5 people. Capacity data wasn't available for the other model in this comparison - verify directly with the dealer.
Which boat is wider, and does it affect trailering?
The Glastron GT 225 2008 measures 99" wide, compared to 91" for the Glastron GX 180 Ski & Fish 2006. 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 Glastron GT 225 2008 or the Glastron GX 180 Ski & Fish 2006?
The Glastron GT 225 2008 has the bigger tank at 35 gallons, versus 29 gallons on the Glastron GX 180 Ski & Fish 2006. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Glastron GT 225 2008 and Glastron GX 180 Ski & Fish 2006 from the same manufacturer?
Yes - both the Glastron GT 225 2008 and the Glastron GX 180 Ski & Fish 2006 are built by Glastron. 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.