Ranger Boats RT178 RT Series 2023 boat specs
Ranger
Ranger Boats RT178 RT Series 2023
2023
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VS
Ranger Z21 Intracoastal 2012 boat specs
Ranger
Ranger Z21 Intracoastal 2012
2012
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Ranger Boats RT178 RT Series 2023 vs Ranger Z21 Intracoastal 2012 — Same Brand, Different Boat

The Ranger Boats RT178 RT Series 2023 vs Ranger Z21 Intracoastal 2012 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.

Size is the most obvious dividing line here. The Ranger Z21 Intracoastal 2012 measures 21,2 feet overall (2012), giving it roughly 4,1 additional feet of deck space compared to the Ranger Boats RT178 RT Series 2023 at 17,1 feet (2023). Weight tells a clearer story for trailering families: the Ranger Z21 Intracoastal 2012 tips the scales at 1 875 lbs — 665 lbs less than the Ranger Boats RT178 RT Series 2023 at 1 210 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 225 hp, the Ranger Z21 Intracoastal 2012 has a 150-hp advantage over the Ranger Boats RT178 RT Series 2023's 75-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 22 gal and 24 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Ranger Z21 Intracoastal 2012 is rated for 6 passengers, while the Ranger Boats RT178 RT Series 2023 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Ranger Z21 Intracoastal 2012 could be the deciding factor.

Bottom line: Choose the Ranger Z21 Intracoastal 2012 if your priority is putting more people on the water — it handles 6 passengers and at 21,2 ft it has the deck room to back that rating up comfortably. The Ranger Boats RT178 RT Series 2023 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail17.10 ft
Length overall - Detail21 ft. 2 in
Length - Feet17.1
Length - Feet21.17
Length overall - Meters5.21
Length overall - Meters6.45
Length overall - Inches205
Length overall - Inches254
Beam92.00 ft
Beam95 in. With Rubrail: 96.5 in
Beam - Meters28.04
Beam - Meters2.46
Beam - Inches1104
Beam - Inches96.5
Displacement1210.00 lbs
Displacementnot available
Depth - Detailnot available
Depth - Detail21 in
Depth - Centimetersnot available
Depth - Centimeters53.34
Depth - Inchesnot available
Depth - Inches21
Draft [drive up] - Detailnot available
Draft [drive up] - Detail13.5 in
Draft [drive up] metersnot available
Draft [drive up] meters0.36
Draft [drive up] inchesnot available
Draft [drive up] inches13.5
Weight - Detailnot available
Weight - Detail1,875 lbs
Weight - kgnot available
Weight - kg850.49
Weight - lbs.not available
Weight - lbs.1875
Engine and Drivetrain
Fuel tank capacity - Gal22
Fuel tank capacity - Gal24
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters90.85
Engine makeMercury
Engine makenot available
Engine model75 ELPT FourStroke
Engine modelnot available
Horsepower75 hp
Horsepower225 - 250 hp
Fuel typeGas
Fuel typeGas
Drive typeoutboard
Drive typeOutboard
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail(2) 24 gal
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Storagenot available
StorageLivewell: 26 gal. Rod Holders: 7 ft. 6 in. center row 1, 7 ft. center row 2, 8 ft. port, 6 ft. 6 in. starboard
Maximum capacitynot available
Maximum capacity1,800 lbs
General Boat Info
Makenot available
MakeRanger
Modelnot available
ModelZ21 Intracoastal
Model Yearnot available
Model Year2012
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Trailer Info
Trailer - Length over allnot available
Trailer - Length over all26 ft. 4 in. with motor down 24 ft. 4 in. with swing away tongue open
Trailer - Weightnot available
Trailer - WeightGVWR: 5,000 lbs
Trailer - Widthnot available
Trailer - Width102 in

Ranger Boats RT178 RT Series 2023 vs Ranger Z21 Intracoastal 2012 — Common Questions

Which is the larger boat — the Ranger Boats RT178 RT Series 2023 or the Ranger Z21 Intracoastal 2012?
The Ranger Z21 Intracoastal 2012 is the longer of the two at 21,2 feet overall. The Ranger Boats RT178 RT Series 2023 comes in at 17,1 feet, making it roughly 4,1 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Ranger Boats RT178 RT Series 2023 or the Ranger Z21 Intracoastal 2012?
For trailering, the Ranger Boats RT178 RT Series 2023 has the edge at 1 210 lbs dry weight versus 1 875 lbs for the Ranger Z21 Intracoastal 2012. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Ranger Z21 Intracoastal 2012 is rated to a maximum of 225 hp, giving it the larger power ceiling. The Ranger Boats RT178 RT Series 2023 tops out at 75 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Ranger Boats RT178 RT Series 2023 is Coast Guard rated for 5 passengers, while the Ranger Z21 Intracoastal 2012 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 is wider, and does it affect trailering?
The Ranger Boats RT178 RT Series 2023 measures 1 104" wide, compared to 97" for the Ranger Z21 Intracoastal 2012. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
How do the fuel tanks compare on the Ranger Boats RT178 RT Series 2023 and Ranger Z21 Intracoastal 2012?
Both boats carry similar fuel loads — 22 gallons and 24 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Ranger Boats RT178 RT Series 2023 and Ranger Z21 Intracoastal 2012 from the same manufacturer?
Yes — both the Ranger Boats RT178 RT Series 2023 and the Ranger Z21 Intracoastal 2012 are built by Ranger. 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.