Nitro Bay 2200 Tunnel  2005 boat specs
Nitro
Nitro Bay 2200 Tunnel 2005
2005
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VS
Nitro Z-7 2011 boat specs
Nitro
Nitro Z-7 2011
2011
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Nitro Bay 2200 Tunnel 2005 vs Nitro Z-7 2011 — Same Brand, Different Boat

The Nitro Bay 2200 Tunnel 2005 vs Nitro Z-7 2011 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 2200 Tunnel 2005 at 21,0 ft versus Nitro Z-7 2011 at 18,7 ft. Weight tells a clearer story for trailering families: the Nitro Z-7 2011 tips the scales at 165 lbs — 151 lbs less than the Nitro Bay 2200 Tunnel 2005 at 14 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.

Both boats share a closely matched power ceiling — 200 hp for the Nitro Bay 2200 Tunnel 2005 and 200 hp for the Nitro Z-7 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Nitro Z-7 2011 carries 45 gallons versus 6 gallons in the Nitro Bay 2200 Tunnel 2005. 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 Nitro Bay 2200 Tunnel 2005 is rated for 9 passengers, while the Nitro Z-7 2011 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 2200 Tunnel 2005 could be the deciding factor.

Bottom line: Choose the Nitro Bay 2200 Tunnel 2005 if your priority is putting more people on the water — it handles 9 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Nitro Z-7 2011 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 2200 Tunnel
ModelZ-7
Model Year2005
Model Year2011
Measurements / Dimensions
Beam99 in
Beam94 in
Beam - Meters2.51
Beam - Meters2.39
Beam - Inches99
Beam - Inches94
Weight - Detail1,400 lbs
Weight - Detail1,650 lbs
Weight - kg635.03
Weight - kg748.43
Weight - lbs.14
Weight - lbs.165
Height [transom]20 in
Height [transom]22 in
Length - Feet21
Length - Feet18.67
Length - Inches9
Length - Inchesnot available
Length overall - Detail21 ft. 9 in
Length overall - Detail18 ft. 8 in
Length overall - Meters6.63
Length overall - Meters5.69
Length overall - Inches261
Length overall - Inches224
Deadrisenot available
Deadrise16°
Draft [max] - Detailnot available
Draft [max] - Detail15 in
Draft [max] - Metersnot available
Draft [max] - Meters0.38
Draft [max] - Inchesnot available
Draft [max] - Inches15
Engine and Drivetrain
Fuel tank capacity - Detail60 gal
Fuel tank capacity - Detail45 gal
Fuel tank capacity - Liters227.12
Fuel tank capacity - Liters170.34
Fuel tank capacity - Gal6
Fuel tank capacity - Gal45
Engine max200 hp
Engine max200 hp
Engine makenot available
Engine makeMercury®
Engine modelnot available
Engine model150 OptiMax®
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity1,950 lbs
Maximum capacity1,390 lbs
Maximum people9
Maximum people4 / 600 lbs
Trailer Info
Trailer - Length over all26 ft. 0 in
Trailer - Length over allWith Swing-away: 21 ft. 9 in
Trailer - Weight2,790 lbs
Trailer - Weight3,000 lbs
Trailer - Width101 in
Trailer - Width8 ft. 6 in
Trailer - Detailnot available
Trailer - DetailNITRO? color coordinated single axle drive-on
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee

Nitro Bay 2200 Tunnel 2005 vs Nitro Z-7 2011 — Common Questions

Which is the larger boat — the Nitro Bay 2200 Tunnel 2005 or the Nitro Z-7 2011?
The Nitro Bay 2200 Tunnel 2005 is the longer of the two at 21,0 feet overall. The Nitro Z-7 2011 comes in at 18,7 feet, making it roughly 2,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Nitro Bay 2200 Tunnel 2005 or the Nitro Z-7 2011?
For trailering, the Nitro Bay 2200 Tunnel 2005 has the edge at 14 lbs dry weight versus 165 lbs for the Nitro Z-7 2011. 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.
How many people can each boat hold?
The Nitro Bay 2200 Tunnel 2005 is Coast Guard rated for 9 passengers, while the Nitro Z-7 2011 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 2200 Tunnel 2005 measures 99" wide, compared to 94" for the Nitro Z-7 2011. 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 Nitro Bay 2200 Tunnel 2005 or the Nitro Z-7 2011?
The Nitro Z-7 2011 has the bigger tank at 45 gallons, versus 6 gallons on the Nitro Bay 2200 Tunnel 2005. That 39-gallon difference translates to roughly 117–195 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Nitro Bay 2200 Tunnel 2005 and Nitro Z-7 2011 from the same manufacturer?
Yes — both the Nitro Bay 2200 Tunnel 2005 and the Nitro Z-7 2011 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.