Detailed Evaluation & Buyer Recommendation
Nitro 189 Sport 2008 vs Nitro Bay 1800 2004 — Same Brand, Different Boat
The Nitro 189 Sport 2008 vs Nitro Bay 1800 2004 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 power gap is worth calling out. Rated to 200 hp, the Nitro 189 Sport 2008 has a 110-hp advantage over the Nitro Bay 1800 2004's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Nitro 189 Sport 2008 carries 31 gallons versus 15 gallons in the Nitro Bay 1800 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 189 Sport 2008 is rated for 6 passengers, while the Nitro Bay 1800 2004 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Nitro 189 Sport 2008 could be the deciding factor.
Bottom line: Choose the Nitro 189 Sport 2008 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 Bay 1800 2004 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
Model189 Sport
ModelBay 18
Model Year2008
Model Year2004
Measurements / Dimensions
Beam - Meters2.36
Beam - Meters2.29
Beam - Inches93
Beam - Inches9
Weight - Detail1,675 lbs
Weight - Detail990 lbs
Weight - kg759.77
Weight - kg449.06
Weight - lbs.1675
Weight - lbs.99
Height [transom]22 in
Height [transom]20 in
Length - Feet19
Length - Feetnot available
Length - Inches4
Length - Inchesnot available
Length overall - Detail19 ft. 4 in
Length overall - Detail17 ft. 8 in
Length overall - Meters5.89
Length overall - Meters5.38
Length overall - Inches232
Length overall - Inches212
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardMercury? 115 OptiMax?
Engine/s standardnot available
Fuel tank capacity - Detail31 gal
Fuel tank capacity - Detail15 Gallons
Fuel tank capacity - Liters117.35
Fuel tank capacity - Liters56.78
Fuel tank capacity - Gal31
Fuel tank capacity - Gal15
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max200 hp
Engine max90 hp
Operational Info
Maximum capacity1,500 lbs
Maximum capacity1250 lbs
Maximum people6
Maximum people5
Trailer Info
Trailer - DetailNITRO? color-coordinated single axle drive-on
Trailer - Detailnot available
Trailer - Length over allwith Swing-Away: 21 ft. 10 in
Trailer - Length over allnot available
Trailer - Weight2,815 lbs
Trailer - Weightnot available