Detailed Evaluation & Buyer Recommendation
Donzi 45 ZX 2005 vs Donzi Z29 Firefox 1986 — Same Brand, Different Boat
The Donzi 45 ZX 2005 vs Donzi Z29 Firefox 1986 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 2 550 hp, the Donzi 45 ZX 2005 has a 2 290-hp advantage over the Donzi Z29 Firefox 1986's 260-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Donzi 45 ZX 2005 is rated for 13 passengers, while the Donzi Z29 Firefox 1986 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Donzi 45 ZX 2005 could be the deciding factor.
Bottom line: Choose the Donzi 45 ZX 2005 if your priority is putting more people on the water — it handles 13 passengers and at 45,0 ft it has the deck room to back that rating up comfortably. The Donzi Z29 Firefox 1986 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeDonzi
Makenot available
Model45 ZX
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam9 ft. 3 in
Beamnot available
Beam - Meters2.82
Beam - Metersnot available
Beam - Inches111
Beam - Inchesnot available
Deadrise24℃ Z-Tech
Deadrisenot available
Draft [drive up] - Detail32 in. (0.81 m)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.81
Draft [drive up] metersnot available
Draft [drive up] inches32
Draft [drive up] inchesnot available
Draft [max] - Detail47 in. (1.19 m)
Draft [max] - Detailnot available
Draft [max] - Meters1.19
Draft [max] - Metersnot available
Draft [max] - Inches47
Draft [max] - Inchesnot available
Weight - Detail16,000 lbs. (7,258 kg)
Weight - Detailnot available
Weight - kg7257.47
Weight - kgnot available
Weight - lbs.16
Weight - lbs.not available
Length - Meters13.72
Length - Metersnot available
Length - Feet45
Length - Feet29
Length overall - Detail45 ft. 0 in. (13.72 m)
Length overall - Detail29.00 ft
Length overall - Meters13.72
Length overall - Meters8.84
Length overall - Inches54
Length overall - Inches348
Engine and Drivetrain
Fuel tank capacity - Detail405 gal. (1533.1 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1533.09
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal405
Fuel tank capacity - Galnot available
Drive typeI/O
Drive typeinboard
Engine max2,550 hp (1901.54 kw)
Engine maxnot available
Engine makenot available
Engine makeMercruiser
Horsepowernot available
Horsepower260 hp
Fuel typenot available
Fuel typeGas
Operational Info
Headroom6 ft. 3 in
Headroomnot available
Sleeping capacity2
Sleeping capacitynot available
Water capacity40 gal. (151.4 l)
Water capacitynot available
Holding tank capacity - Detail10 gal. (37.9 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters37.85
Holding tank capacity - Litersnot available
Holding tank capacity - Gal1
Holding tank capacity - Galnot available
Boat typenot available
Boat typePower