Nitro Bay 1900 2005 boat specs
Nitro
Nitro Bay 1900 2005
2005
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Nitro Z-7 2009 boat specs
Nitro
Nitro Z-7 2009
2009
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Nitro Bay 1900 2005 vs Nitro Z-7 2009 — Same Brand, Different Boat

The Nitro Bay 1900 2005 vs Nitro Z-7 2009 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 — Nitro Bay 1900 2005 at 19,0 ft versus Nitro Z-7 2009 at 18,0 ft. At 132 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 Nitro Z-7 2009 has a 50-hp advantage over the Nitro Bay 1900 2005's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 47 gal and 45 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Nitro Bay 1900 2005 is rated for 6 passengers, while the Nitro Z-7 2009 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Nitro Bay 1900 2005 could be the deciding factor.

Bottom line: Choose the Nitro Bay 1900 2005 if your priority is putting more people on the water — it handles 6 passengers and at 19,0 ft it has the deck room to back that rating up comfortably. The Nitro Z-7 2009 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
MakeNitro
MakeNitro
ModelBay 19
ModelZ-7
Model Year2005
Model Year2009
Measurements / Dimensions
Beam8 ft. 3 in
Beam94 in. (2.39 m)
Beam - Meters2.51
Beam - Meters2.39
Beam - Inches99
Beam - Inches94
Weight - Detail1,320 lbs
Weight - Detail1,550 lbs. (703 kg)
Weight - kg598.74
Weight - kg703.07
Weight - lbs.132
Weight - lbs.155
Height [transom]25 in
Height [transom]not available
Length - Feet19
Length - Feet18
Length - Inches4
Length - Inches7
Length overall - Detail19 ft. 4 in
Length overall - Detail18 ft. 7 in. (5.66 m)
Length overall - Meters5.89
Length overall - Meters5.66
Length overall - Inches232
Length overall - Inches223
Width [transom] - Detailnot available
Width [transom] - Detail22 in. (0.56 m)
Length - Metersnot available
Length - Meters5.66
Engine and Drivetrain
Fuel tank capacity - Detail47 gal
Fuel tank capacity - Detail45 gal. (170 l)
Fuel tank capacity - Liters177.91
Fuel tank capacity - Liters170.34
Fuel tank capacity - Gal47
Fuel tank capacity - Gal45
Engine max150 hp
Engine max200 hp
Engine/s standardnot available
Engine/s standardMercury? 150 L EFI
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity1,500 lbs
Maximum capacity1,390 lbs. (631 kg)
Maximum people6
Maximum people4 or 600 lbs. (272 kg)
Trailer Info
Trailer - Length over all24 ft. 0 in
Trailer - Length over allWith swing-away: 21 ft. 9 in. (6.63 m)
Trailer - Weight2,400 lbs
Trailer - Weight3,000 lbs. (1,361 kg)
Trailer - Width100 in
Trailer - Width8 ft. 6 in. (2.59 m)
Trailer - Detailnot available
Trailer - DetailNITRO? color coordinated single axle drive-on
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeModified Vee

Nitro Bay 1900 2005 vs Nitro Z-7 2009 — Common Questions

Which is the larger boat — the Nitro Bay 1900 2005 or the Nitro Z-7 2009?
The Nitro Bay 1900 2005 is the longer of the two at 19,0 feet overall. The Nitro Z-7 2009 comes in at 18,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Nitro Bay 1900 2005 or the Nitro Z-7 2009?
For trailering, the Nitro Bay 1900 2005 has the edge at 132 lbs dry weight versus 155 lbs for the Nitro Z-7 2009. 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 Nitro Z-7 2009 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Nitro Bay 1900 2005 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 Nitro Bay 1900 2005 is Coast Guard rated for 6 passengers, while the Nitro Z-7 2009 is certified for 4. 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 Nitro Bay 1900 2005 measures 99" wide, compared to 94" for the Nitro Z-7 2009. 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.
How do the fuel tanks compare on the Nitro Bay 1900 2005 and Nitro Z-7 2009?
Both boats carry similar fuel loads — 47 gallons and 45 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Nitro Bay 1900 2005 and Nitro Z-7 2009 from the same manufacturer?
Yes — both the Nitro Bay 1900 2005 and the Nitro Z-7 2009 are built by Nitro. 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.