Nitro 185 Sport 2004 boat specs
Nitro
Nitro 185 Sport 2004
2004
View full specs →
VS
Nitro Z18 2019 boat specs
Nitro
Nitro Z18 2019
2019
View full specs →

Nitro 185 Sport 2004 vs Nitro Z18 2019: Same Brand, Different Boat

The Nitro 185 Sport 2004 vs Nitro Z18 2019 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 185 Sport 2004 carries a rated maximum of 150 hp. Engine data for the Nitro Z18 2019 wasn't available in our records - check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Nitro Z18 2019 carries 40 gallons versus 32 gallons in the Nitro 185 Sport 2004. 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 185 Sport 2004 is rated for 6 passengers, while the Nitro Z18 2019 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Nitro 185 Sport 2004 could be the deciding factor.

Bottom line: Choose the Nitro 185 Sport 2004 if your priority is putting more people on the water - it handles 6 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Nitro Z18 2019 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeNitro
Makenot available
Model185 Sport
Modelnot available
Model Year2004
Model Yearnot available
Measurements / Dimensions
Beam89 in.
Beamnot available
Beam - Meters2.26
Beam - Metersnot available
Beam - Inches89
Beam - Inchesnot available
Weight - Detail1509 lbs.
Weight - Detailnot available
Weight - kg684.47
Weight - kgnot available
Weight - lbs.1509
Weight - lbs.not available
Height [transom]23 in.
Height [transom]not available
Length overall - Detail18 ft.
Length overall - Detail19.00 ft
Length overall - Meters5.49
Length overall - Meters5.79
Length overall - Inches216
Length overall - Inches228
Length - Feetnot available
Length - Feet19
Engine and Drivetrain
Fuel tank capacity - Detail32 Gallons
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters121.13
Fuel tank capacity - Liters151.42
Fuel tank capacity - Gal32
Fuel tank capacity - Gal40
Engine max150 hp
Engine maxnot available
Engine makenot available
Engine makeMercury
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeoutboard
Operational Info
Maximum capacity1390 lbs.
Maximum capacitynot available
Maximum people6
Maximum peoplenot available
Boat typenot available
Boat typePower

Nitro 185 Sport 2004 vs Nitro Z18 2019 - Common Questions

What is the maximum horsepower rating for these boats?
The Nitro 185 Sport 2004 has a documented max rating of 150 hp. Engine specifications for the Nitro Z18 2019 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 185 Sport 2004 is Coast Guard rated for 6 passengers, while the Nitro Z18 2019 is certified for 5. 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 185 Sport 2004 or the Nitro Z18 2019?
The Nitro Z18 2019 has the bigger tank at 40 gallons, versus 32 gallons on the Nitro 185 Sport 2004. That 8-gallon difference translates to roughly 24–40 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Nitro 185 Sport 2004 and Nitro Z18 2019 from the same manufacturer?
Yes - both the Nitro 185 Sport 2004 and the Nitro Z18 2019 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.