Nitro Z-8 2011 boat specs
Nitro
Nitro Z-8 2011
2011
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VS
Nitro Z21 2021 boat specs
Nitro
Nitro Z21 2021
2021
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Nitro Z-8 2011 vs Nitro Z21 2021: Same Brand, Different Boat

The Nitro Z-8 2011 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-8 2011 carries a rated maximum of 250 hp. Engine data for the Nitro Z21 2021 wasn't available in our records - check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads - 55 gal and 55 gal - so range won't be a tiebreaker here.

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-8 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 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-8 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
Makenot available
ModelZ-8
Modelnot available
Model Year2011
Model Yearnot available
Measurements / Dimensions
Beam96 in.
Beamnot available
Beam - Meters2.44
Beam - Metersnot available
Beam - Inches96
Beam - Inchesnot available
Deadrise16°
Deadrisenot available
Draft [max] - Detail14 in.
Draft [max] - Detailnot available
Draft [max] - Meters0.36
Draft [max] - Metersnot available
Draft [max] - Inches14
Draft [max] - Inchesnot available
Weight - Detail1,950 lbs.
Weight - Detailnot available
Weight - kg884.5
Weight - kgnot available
Weight - lbs.1950
Weight - lbs.not available
Height [transom]22 in.
Height [transom]not available
Length - Feet20.08
Length - Feet21
Length overall - Detail20 ft. 1 in.
Length overall - Detail21.00 ft
Length overall - Meters6.12
Length overall - Meters6.4
Length overall - Inches241
Length overall - Inches252
Draft Minnot available
Draft Min1.33 ft
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine makeMercury®
Engine makenot available
Engine model200 L OptiMax® Pro XS
Engine modelnot available
Fuel tank capacity - Detail55 gal.
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters208.2
Fuel tank capacity - Liters208.2
Fuel tank capacity - Gal55
Fuel tank capacity - Gal55
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeoutboard
Engine max250 hp
Engine maxnot available
Operational Info
Maximum capacity1,850 lbs.
Maximum capacitynot available
Maximum people4 / 1,000 lbs.
Maximum peoplenot available
Boat typenot available
Boat typePower
Trailer Info
Trailer - DetailNITRO? color coordinated tandem axle drive-on
Trailer - Detailnot available
Trailer - Length over allWith Swing-away: 23 ft. 6 in.
Trailer - Length over allnot available
Trailer - Weight3,620 lbs.
Trailer - Weightnot available
Trailer - Width8 ft. 6 in.
Trailer - Widthnot available

Nitro Z-8 2011 vs Nitro Z21 2021 - Common Questions

Which is the larger boat - the Nitro Z-8 2011 or the Nitro Z21 2021?
The Nitro Z21 2021 is the longer of the two at 21,0 feet overall. The Nitro Z-8 2011 comes in at 20,1 feet, making it roughly 0,9 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-8 2011 has a documented max rating of 250 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-8 2011 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.
How do the fuel tanks compare on the Nitro Z-8 2011 and Nitro Z21 2021?
Both boats carry similar fuel loads - 55 gallons and 55 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 Z-8 2011 and Nitro Z21 2021 from the same manufacturer?
Yes - both the Nitro Z-8 2011 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.