Glastron GT 185 SF 2012 vs Glastron GX 235 2005 - Boat Spec Comparison

Q: Which is the larger boat — the Glastron GT 185 SF 2012 or the Glastron GX 235 2005?

The Glastron GX 235 2005 is the longer of the two at 23,0 feet overall. The Glastron GT 185 SF 2012 comes in at 18,4 feet, making it roughly 4,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Glastron GX 235 2005 is rated to a maximum of 270 hp, giving it the larger power ceiling. The Glastron GT 185 SF 2012 tops out at 220 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.

Q: How many people can each boat hold?

The Glastron GT 185 SF 2012 is Coast Guard rated for 8 passengers, while the Glastron GX 235 2005 is certified for 7. 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.

Q: Which boat has the larger fuel tank — the Glastron GT 185 SF 2012 or the Glastron GX 235 2005?

The Glastron GX 235 2005 has the bigger tank at 47 gallons, versus 24 gallons on the Glastron GT 185 SF 2012. That 23-gallon difference translates to roughly 69–115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Glastron GT 185 SF 2012 and Glastron GX 235 2005 from the same manufacturer?

Yes — both the Glastron GT 185 SF 2012 and the Glastron GX 235 2005 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.

Boat Comparison

Glastron GT 185 SF 2012 vs Glastron GX 235 2005

Glastron

Glastron GT 185 SF 2012

2012

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Glastron

Glastron GX 235 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Glastron GT 185 SF 2012 vs Glastron GX 235 2005 — Same Brand, Different Boat

The Glastron GT 185 SF 2012 vs Glastron GX 235 2005 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 270 hp, the Glastron GX 235 2005 has a 50-hp advantage over the Glastron GT 185 SF 2012's 220-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 GX 235 2005 carries 47 gallons versus 24 gallons in the Glastron GT 185 SF 2012. 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 Glastron GT 185 SF 2012 is rated for 8 passengers, while the Glastron GX 235 2005 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Glastron GT 185 SF 2012 could be the deciding factor.

Bottom line: Choose the Glastron GT 185 SF 2012 if your priority is putting more people on the water — it handles 8 passengers and at 18,4 ft it has the deck room to back that rating up comfortably. The Glastron GX 235 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.

General Boat Info

MakeGlastron

Makenot available

ModelGT 185 SF

Modelnot available

Model Year2012

Model Yearnot available

Measurements / Dimensions

Beam88 in. (2.24 m)

Beamnot available

Beam - Meters2.24

Beam - Metersnot available

Beam - Inches88

Beam - Inchesnot available

Deadrise21℃

Deadrisenot available

Depth - Detail44 in. (1.12 m) Cockpit: 28.5 in. (0.72 m)

Depth - Detailnot available

Depth - Centimeters111.76

Depth - Centimetersnot available

Depth - Inches44

Depth - Inchesnot available

Draft [max] - Detail31 in. (0.79 m)

Draft [max] - Detailnot available

Draft [max] - Meters0.79

Draft [max] - Metersnot available

Draft [max] - Inches31

Draft [max] - Inchesnot available

Weight - Detail2,335 lbs. (1,059 kg)

Weight - Detailnot available

Weight - kg1059.14

Weight - kgnot available

Weight - lbs.2335

Weight - lbs.not available

Width [transom] - Detail86 in. (2.18 m)

Width [transom] - Detailnot available

Length - Feet18.42

Length - Feet23

Length overall - Detail18 ft. 5 in. (5.61 m)

Length overall - Detail23.00 ft

Length overall - Meters5.61

Length overall - Meters7.01

Length overall - Inches221

Length overall - Inches276

Body / Hull

Hull materialFiberglass

Hull materialnot available

Hull typeDeep Vee

Hull typenot available

Engine and Drivetrain

Engine makeMercury

Engine makeVolvo Penta

Engine model3.0L MPI EC MerCruiser (WPS)

Engine modelnot available

Fuel tank capacity - Detail24 gal. (91 l)

Fuel tank capacity - Detailnot available

Fuel tank capacity - Liters90.85

Fuel tank capacity - Liters177.91

Fuel tank capacity - Gal24

Fuel tank capacity - Gal47

Fuel typeGas

Drive typeI/O

Drive typenot available

Horsepower135 hp

Horsepower270 hp

Engine max220 hp

Engine maxnot available

Operational Info

Maximum capacity1,150 lbs. (522 kg)

Maximum capacitynot available

Maximum people8 or 1,100 lbs. (499 kg)

Maximum peoplenot available

Boat typenot available

Boat typePower

Trailer Info

Trailer - Length over all21 ft. 10 in. (6.65 m)

Trailer - Length over allnot available

Glastron GT 185 SF 2012 vs Glastron GX 235 2005 — Common Questions

Which is the larger boat — the Glastron GT 185 SF 2012 or the Glastron GX 235 2005?

The Glastron GX 235 2005 is the longer of the two at 23,0 feet overall. The Glastron GT 185 SF 2012 comes in at 18,4 feet, making it roughly 4,6 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Glastron GX 235 2005 is rated to a maximum of 270 hp, giving it the larger power ceiling. The Glastron GT 185 SF 2012 tops out at 220 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 Glastron GT 185 SF 2012 is Coast Guard rated for 8 passengers, while the Glastron GX 235 2005 is certified for 7. 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 has the larger fuel tank — the Glastron GT 185 SF 2012 or the Glastron GX 235 2005?

The Glastron GX 235 2005 has the bigger tank at 47 gallons, versus 24 gallons on the Glastron GT 185 SF 2012. That 23-gallon difference translates to roughly 69–115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Glastron GT 185 SF 2012 and Glastron GX 235 2005 from the same manufacturer?

Yes — both the Glastron GT 185 SF 2012 and the Glastron GX 235 2005 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.

← Glastron GT 185 SF 2012 full specs ← Glastron GX 235 2005 full specs