Mariah SX21 2010 vs Mariah Z280 2000 - Boat Spec Comparison

Q: Which is easier to trailer — the Mariah SX21 2010 or the Mariah Z280 2000?

For trailering, the Mariah SX21 2010 has the edge at 36 lbs dry weight versus 73 lbs for the Mariah Z280 2000. 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.

Q: What is the maximum horsepower rating for these boats?

The Mariah SX21 2010 has a documented max rating of 270 hp. Engine specifications for the Mariah Z280 2000 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Mariah SX21 2010 is Coast Guard rated for 1 passengers, while the Mariah Z280 2000 is certified for 12. 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.

Q: Which boat is wider, and does it affect trailering?

The Mariah Z280 2000 measures 105" wide, compared to 102" for the Mariah SX21 2010. 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.

Q: Which boat has the larger fuel tank — the Mariah SX21 2010 or the Mariah Z280 2000?

The Mariah Z280 2000 has the bigger tank at 116 gallons, versus 44 gallons on the Mariah SX21 2010. That 72-gallon difference translates to roughly 216–360 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Mariah SX21 2010 and Mariah Z280 2000 from the same manufacturer?

Yes — both the Mariah SX21 2010 and the Mariah Z280 2000 are built by Mariah. 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.

Boat Comparison

Mariah SX21 2010 vs Mariah Z280 2000

Mariah

Mariah SX21 2010

2010

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Mariah

Mariah Z280 2000

2000

View full specs →

Detailed Evaluation & Buyer Recommendation

Mariah SX21 2010 vs Mariah Z280 2000 — Same Brand, Different Boat

The Mariah SX21 2010 vs Mariah Z280 2000 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 Mariah SX21 2010 carries a rated maximum of 270 hp. Engine data for the Mariah Z280 2000 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Mariah Z280 2000 carries 116 gallons versus 44 gallons in the Mariah SX21 2010. 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 Mariah Z280 2000 is rated for 12 passengers, while the Mariah SX21 2010 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Mariah Z280 2000 could be the deciding factor.

Bottom line: Choose the Mariah Z280 2000 if your priority is putting more people on the water — it handles 12 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Mariah SX21 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.

General Boat Info

MakeMariah

ModelSX21

ModelZ28

Model Year201

Model Year2

Measurements / Dimensions

Beam8 ft. 6 in. (2.6 m)

Beam105"

Beam - Meters2.59

Beam - Meters2.67

Beam - Inches102

Beam - Inches105

Deadrise20℃

Deadrise20 degrees

Weight - Detail3,000 lbs. (1,361 kg) Maximum: 3,600 lbs. (1,633 kg)

Weight - Detail7300 lbs 3311kgs

Weight - kg1632.93

Weight - kg3311.22

Weight - lbs.36

Weight - lbs.73

Length - Meters6.3

Length - Metersnot available

Length - Feet20.75

Length - Feetnot available

Length overall - Detail20 ft. 9 in. (6.3 m)

Length overall - Detail27' 10"

Length overall - Meters6.32

Length overall - Meters8.23

Length overall - Inches249

Length overall - Inches324

Draft [drive up] - Detailnot available

Draft [drive up] - Detail26"

Draft [drive up] metersnot available

Draft [drive up] meters0.66

Draft [drive up] inchesnot available

Draft [drive up] inches26

Draft [max] - Detailnot available

Draft [max] - Detail42"

Draft [max] - Metersnot available

Draft [max] - Meters1.07

Draft [max] - Inchesnot available

Draft [max] - Inches42

Height - Detailnot available

Height - Detail77" Vertical Clearance

Height - Metersnot available

Height - Meters1.96

Height - Inchesnot available

Height - Inches77

Body / Hull

Hull materialFiberglass

Hull typeModified Vee

Hull typenot available

Engine and Drivetrain

Fuel tank capacity - Detail44 gal. (167 l)

Fuel tank capacity - Detail116 gal 439 ltr

Fuel tank capacity - Liters166.56

Fuel tank capacity - Liters439.11

Fuel tank capacity - Gal44

Fuel tank capacity - Gal116

Fuel typeGas

Fuel typenot available

Drive typeI/O

Drive typenot available

Engine max270 hp (201 kW)

Engine maxnot available

Performance

Maximum speed41-55 mph

Maximum speednot available

Operational Info

Maximum capacity1,750 lbs. (794 kg)

Maximum capacitynot available

Maximum people1

Maximum people12 person

Headnot available

HeadYes

Headroomnot available

Headroom72"

Water capacitynot available

Water capacity25 gal

Trailer Info

Trailer - Detailnot available

Trailer - DetailOptional

Mariah SX21 2010 vs Mariah Z280 2000 — Common Questions

Which is easier to trailer — the Mariah SX21 2010 or the Mariah Z280 2000?

For trailering, the Mariah SX21 2010 has the edge at 36 lbs dry weight versus 73 lbs for the Mariah Z280 2000. 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.

What is the maximum horsepower rating for these boats?

The Mariah SX21 2010 has a documented max rating of 270 hp. Engine specifications for the Mariah Z280 2000 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 Mariah SX21 2010 is Coast Guard rated for 1 passengers, while the Mariah Z280 2000 is certified for 12. 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 Mariah Z280 2000 measures 105" wide, compared to 102" for the Mariah SX21 2010. 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.

Which boat has the larger fuel tank — the Mariah SX21 2010 or the Mariah Z280 2000?

The Mariah Z280 2000 has the bigger tank at 116 gallons, versus 44 gallons on the Mariah SX21 2010. That 72-gallon difference translates to roughly 216–360 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Mariah SX21 2010 and Mariah Z280 2000 from the same manufacturer?

Yes — both the Mariah SX21 2010 and the Mariah Z280 2000 are built by Mariah. 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.

← Mariah SX21 2010 full specs ← Mariah Z280 2000 full specs