Crownline 21 SS 2009 vs Crownline 275 SS 2012 - Boat Spec Comparison

Q: Which is the larger boat — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

The Crownline 275 SS 2012 is the longer of the two at 28,3 feet overall. The Crownline 21 SS 2009 comes in at 2,0 feet, making it roughly 26,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which is easier to trailer — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

For trailering, the Crownline 21 SS 2009 has the edge at 37 lbs dry weight versus 55 lbs for the Crownline 275 SS 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.

Q: Which boat can handle a bigger outboard?

The Crownline 275 SS 2012 is rated to a maximum of 430 hp, giving it the larger power ceiling. The Crownline 21 SS 2009 tops out at 320 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.

Q: How many people can each boat hold?

The Crownline 21 SS 2009 is Coast Guard rated for 1 passengers, while the Crownline 275 SS 2012 is certified for 8. 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: Do these boats require an oversize trailer permit to tow on US highways?

Both the Crownline 21 SS 2009 and Crownline 275 SS 2012 share an 102 in. (2.59 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

Q: Which boat has the larger fuel tank — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

The Crownline 275 SS 2012 has the bigger tank at 84 gallons, versus 41 gallons on the Crownline 21 SS 2009. That 43-gallon difference translates to roughly 129–215 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Crownline 21 SS 2009 and Crownline 275 SS 2012 from the same manufacturer?

Yes — both the Crownline 21 SS 2009 and the Crownline 275 SS 2012 are built by Crownline. 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

Crownline 21 SS 2009 vs Crownline 275 SS 2012

Crownline

Crownline 21 SS 2009

2009

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Crownline

Crownline 275 SS 2012

2012

View full specs →

Detailed Evaluation & Buyer Recommendation

Crownline 21 SS 2009 vs Crownline 275 SS 2012 — Same Brand, Different Boat

Matching a modified vee Crownline 21 SS 2009 against a deep vee Crownline 275 SS 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

Size is the most obvious dividing line here. The Crownline 275 SS 2012 measures 28,3 feet overall (2012), giving it roughly 26,3 additional feet of deck space compared to the Crownline 21 SS 2009 at 2,0 feet (2009). At 37 lbs and 55 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 430 hp, the Crownline 275 SS 2012 has a 110-hp advantage over the Crownline 21 SS 2009's 320-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Crownline 275 SS 2012 carries 84 gallons versus 41 gallons in the Crownline 21 SS 2009. 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 Crownline 275 SS 2012 is rated for 8 passengers, while the Crownline 21 SS 2009 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crownline 275 SS 2012 could be the deciding factor.

Bottom line: Choose the Crownline 275 SS 2012 if your priority is putting more people on the water — it handles 8 passengers and at 28,3 ft it has the deck room to back that rating up comfortably. The Crownline 21 SS 2009 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

MakeCrownline

Model21 SS

Model275 SS

Model Year2009

Model Year2012

Measurements / Dimensions

Beam102 in. (2.59 m)

Beam - Meters2.59

Beam - Inches102

Bridge clearance - Detail49 in. (1.24 m)

Bridge clearance - Detail68 in. (1.73 m)

Bridge clearance - Meters1.24

Bridge clearance - Meters1.73

Bridge clearance - Inches49

Bridge clearance - Inches68

Deadrise16℃

Deadrise23℃

Draft [drive up] - Detail16 in. (41 cm)

Draft [drive up] - Detail21 in. (53 cm)

Draft [drive up] meters0.41

Draft [drive up] meters0.53

Draft [drive up] inches16

Draft [drive up] inches21

Draft [max] - Detail30 in. (76 cm)

Draft [max] - Detail38 in. (97 cm)

Draft [max] - Meters0.76

Draft [max] - Meters0.97

Draft [max] - Inches3

Draft [max] - Inches38

Weight - Detail3,500 - 3,700 lbs. (1,588 - 1,678 kg)

Weight - Detail5,300 - 5,500 lbs. (2,404 - 2,495 kg)

Weight - kg1678.29

Weight - kg2494.76

Weight - lbs.37

Weight - lbs.55

Length - Meters6.35

Length - Metersnot available

Length - Feet2

Length - Feet28.25

Length - Inches1

Length - Inchesnot available

Length overall - Detail20 ft. 10 in. (6.35 m)

Length overall - Detail28 ft. 3 in. (8.61 m)

Length overall - Meters6.35

Length overall - Meters8.61

Length overall - Inches25

Length overall - Inches339

Body / Hull

Hull materialFiberglass

Hull typeModified Vee

Hull typeDeep Vee

Engine and Drivetrain

Engine makeMercury

Engine makeMercruiser

Engine model5.0 l Alpha

Engine modelnot available

Fuel tank capacity - Detail41 gal. (155 l)

Fuel tank capacity - Detail84 gal. (318 l)

Fuel tank capacity - Liters155.2

Fuel tank capacity - Liters317.97

Fuel tank capacity - Gal41

Fuel tank capacity - Gal84

Fuel typeGas

Drive typeI/O

Horsepower220 php

Horsepowernot available

Engine max320 hp

Engine max430 hp

Operational Info

Maximum capacity1,442 lbs. (654 kg)

Maximum capacitynot available

Maximum people1

Maximum peoplenot available

Crownline 21 SS 2009 vs Crownline 275 SS 2012 — Common Questions

Which is the larger boat — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

The Crownline 275 SS 2012 is the longer of the two at 28,3 feet overall. The Crownline 21 SS 2009 comes in at 2,0 feet, making it roughly 26,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which is easier to trailer — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

For trailering, the Crownline 21 SS 2009 has the edge at 37 lbs dry weight versus 55 lbs for the Crownline 275 SS 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 Crownline 275 SS 2012 is rated to a maximum of 430 hp, giving it the larger power ceiling. The Crownline 21 SS 2009 tops out at 320 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 Crownline 21 SS 2009 is Coast Guard rated for 1 passengers, while the Crownline 275 SS 2012 is certified for 8. 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.

Do these boats require an oversize trailer permit to tow on US highways?

Both the Crownline 21 SS 2009 and Crownline 275 SS 2012 share an 102 in. (2.59 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

Which boat has the larger fuel tank — the Crownline 21 SS 2009 or the Crownline 275 SS 2012?

The Crownline 275 SS 2012 has the bigger tank at 84 gallons, versus 41 gallons on the Crownline 21 SS 2009. That 43-gallon difference translates to roughly 129–215 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Crownline 21 SS 2009 and Crownline 275 SS 2012 from the same manufacturer?

Yes — both the Crownline 21 SS 2009 and the Crownline 275 SS 2012 are built by Crownline. 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.

← Crownline 21 SS 2009 full specs ← Crownline 275 SS 2012 full specs