Nitro Z-9 2012 boat specs
Nitro
Nitro Z-9 2012
2012
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VS
Nitro Z21 2021 boat specs
Nitro
Nitro Z21 2021
2021
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Nitro Z-9 2012 vs Nitro Z21 2021 — Same Brand, Different Boat

The Nitro Z-9 2012 vs Nitro Z21 2021 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 Nitro Z-9 2012 carries a rated maximum of 300 hp. Engine data for the Nitro Z21 2021 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Nitro Z-9 2012 carries 68 gallons versus 55 gallons in the Nitro Z21 2021. 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 Z21 2021 is rated for 6 passengers, while the Nitro Z-9 2012 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Nitro Z21 2021 could be the deciding factor.

Bottom line: Choose the Nitro Z21 2021 if your priority is putting more people on the water — it handles 6 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Nitro Z-9 2012 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
ModelZ-9
Modelnot available
Model Year2012
Model Yearnot available
MakeNitro
Makenot available
Measurements / Dimensions
Length overall - Detail20 ft. 9 in
Length overall - Detail21.00 ft
Length - Feet20.75
Length - Feet21
Length overall - Meters6.32
Length overall - Meters6.4
Length overall - Inches249
Length overall - Inches252
Beam96 in
Beamnot available
Weight - Detail2,100 lbs
Weight - Detailnot available
Beam - Meters2.44
Beam - Metersnot available
Weight - kg952.54
Weight - kgnot available
Draft [max] - Detail16 in
Draft [max] - Detailnot available
Beam - Inches96
Beam - Inchesnot available
Weight - lbs.21
Weight - lbs.not available
Draft [max] - Inches16
Draft [max] - Inchesnot available
Height [transom]22 in
Height [transom]not available
Draft [max] - Meters0.41
Draft [max] - Metersnot available
Deadrise16°
Deadrisenot available
Draft Minnot available
Draft Min1.33 ft
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Gal68
Fuel tank capacity - Gal55
Fuel tank capacity - Liters257.41
Fuel tank capacity - Liters208.2
Engine makeMercury®
Engine makenot available
Horsepower250 hp
Horsepowernot available
Fuel typeGas
Fuel typeGas
Fuel tank capacity - Detail68 gal
Fuel tank capacity - Detailnot available
Engine model225 OptiMax®
Engine modelnot available
Engine max300 hp
Engine maxnot available
Drive typeOutboard
Drive typeoutboard
Operational Info
Boat typePower
Boat typePower
Maximum capacity2,150 lbs
Maximum capacitynot available
Maximum people4 / 1,250 lbs
Maximum peoplenot available
Trailer Info
Trailer - Width8 ft. 6 in
Trailer - Widthnot available
Trailer - Weight4,050 lbs
Trailer - Weightnot available
Trailer - DetailNITRO? color coordinated tandem axle drive-on
Trailer - Detailnot available
Trailer - Length over allWith Swing-away: 24 ft. 5 in
Trailer - Length over allnot available

Nitro Z-9 2012 vs Nitro Z21 2021 — Common Questions

Which is the larger boat — the Nitro Z-9 2012 or the Nitro Z21 2021?
The Nitro Z21 2021 is the longer of the two at 21,0 feet overall. The Nitro Z-9 2012 comes in at 20,8 feet, making it roughly 0,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Nitro Z-9 2012 has a documented max rating of 300 hp. Engine specifications for the Nitro Z21 2021 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Nitro Z-9 2012 is Coast Guard rated for 4 passengers, while the Nitro Z21 2021 is certified for 6. 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 Nitro Z-9 2012 or the Nitro Z21 2021?
The Nitro Z-9 2012 has the bigger tank at 68 gallons, versus 55 gallons on the Nitro Z21 2021. That 13-gallon difference translates to roughly 39–65 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Nitro Z-9 2012 and Nitro Z21 2021 from the same manufacturer?
Yes — both the Nitro Z-9 2012 and the Nitro Z21 2021 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.