Crownline 21 SS 2007 vs Crownline 23 SS 2011 - Boat Spec Comparison

Q: Which is the larger boat — the Crownline 21 SS 2007 or the Crownline 23 SS 2011?

The Crownline 23 SS 2011 is the longer of the two at 23,3 feet overall. The Crownline 21 SS 2007 comes in at 2,0 feet, making it roughly 21,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which is easier to trailer — the Crownline 21 SS 2007 or the Crownline 23 SS 2011?

For trailering, the Crownline 21 SS 2007 has the edge at 37 lbs dry weight versus 42 lbs for the Crownline 23 SS 2011. 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 23 SS 2011 is rated to a maximum of 430 hp, giving it the larger power ceiling. The Crownline 21 SS 2007 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 2007 is Coast Guard rated for 1 passengers, while the Crownline 23 SS 2011 is certified for 11. 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 2007 and Crownline 23 SS 2011 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 2007 or the Crownline 23 SS 2011?

The Crownline 23 SS 2011 has the bigger tank at 62 gallons, versus 41 gallons on the Crownline 21 SS 2007. That 21-gallon difference translates to roughly 63–105 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Crownline 21 SS 2007 and Crownline 23 SS 2011 from the same manufacturer?

Yes — both the Crownline 21 SS 2007 and the Crownline 23 SS 2011 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 2007 vs Crownline 23 SS 2011

Crownline

Crownline 21 SS 2007

2007

View full specs →

Crownline

Crownline 23 SS 2011

2011

View full specs →

Detailed Evaluation & Buyer Recommendation

Crownline 21 SS 2007 vs Crownline 23 SS 2011 — Same Brand, Different Boat

The Crownline 21 SS 2007 vs Crownline 23 SS 2011 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 Crownline 23 SS 2011 measures 23,3 feet overall (2011), giving it roughly 21,3 additional feet of deck space compared to the Crownline 21 SS 2007 at 2,0 feet (2007). At 37 lbs and 42 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 23 SS 2011 has a 110-hp advantage over the Crownline 21 SS 2007'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 23 SS 2011 carries 62 gallons versus 41 gallons in the Crownline 21 SS 2007. 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 23 SS 2011 is rated for 11 passengers, while the Crownline 21 SS 2007 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crownline 23 SS 2011 could be the deciding factor.

Bottom line: Choose the Crownline 23 SS 2011 if your priority is putting more people on the water — it handles 11 passengers and at 23,3 ft it has the deck room to back that rating up comfortably. The Crownline 21 SS 2007 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

Model23 SS

Model Year2007

Model Year2011

Measurements / Dimensions

Beam102 in. (2.59 m)

Beam - Meters2.59

Beam - Inches102

Bridge clearance - Detail49.25 in. (1.3 m)

Bridge clearance - Detail53 in. (1.34 m)

Bridge clearance - Meters1.24

Bridge clearance - Meters1.35

Bridge clearance - Inches49.25

Bridge clearance - Inches53

Deadrise16℃

Deadrise18℃

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

Draft [drive up] - Detail18 in. (46 cm)

Draft [drive up] meters0.41

Draft [drive up] meters0.46

Draft [drive up] inches16

Draft [drive up] inches18

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

Draft [max] - Detail32 in. (81 cm)

Draft [max] - Meters0.76

Draft [max] - Meters0.81

Draft [max] - Inches3

Draft [max] - Inches32

Weight - Detail3,500 - 3,700 lbs. (1,587 - 1,678 kg)

Weight - Detail4,000 - 4,200 lbs. (1,814 - 1,905 kg)

Weight - kg1678.29

Weight - kg1905.09

Weight - lbs.37

Weight - lbs.42

Length - Meters6.35

Length - Metersnot available

Length - Feet2

Length - Feet23.25

Length - Inches1

Length - Inchesnot available

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

Length overall - Detail23 ft. 3 in. (7.1 m)

Length overall - Meters6.35

Length overall - Meters7.09

Length overall - Inches25

Length overall - Inches279

Engine and Drivetrain

Engine/s standardM5.0 L Alpha 220 php

Engine/s standardnot available

Fuel tank capacity - Detail41 gal. (155 l)

Fuel tank capacity - Detail62 gal. (235 l)

Fuel tank capacity - Liters155.2

Fuel tank capacity - Liters234.7

Fuel tank capacity - Gal41

Fuel tank capacity - Gal62

Fuel typeGas

Drive typeI/O

Engine max320 hp

Engine max430 php

Engine makenot available

Engine makeMercury

Engine modelnot available

Engine model5.0 l MPI Bravo III

Horsepowernot available

Horsepower260 php

Operational Info

Maximum capacity1,442 lbs. (654 kg)

Maximum capacity1,583 lbs. (718 kg)

Maximum people1

Maximum people11

Body / Hull

Hull materialnot available

Hull materialFiberglass

Hull typenot available

Hull typeModified Vee

Crownline 21 SS 2007 vs Crownline 23 SS 2011 — Common Questions

Which is the larger boat — the Crownline 21 SS 2007 or the Crownline 23 SS 2011?

The Crownline 23 SS 2011 is the longer of the two at 23,3 feet overall. The Crownline 21 SS 2007 comes in at 2,0 feet, making it roughly 21,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which is easier to trailer — the Crownline 21 SS 2007 or the Crownline 23 SS 2011?

For trailering, the Crownline 21 SS 2007 has the edge at 37 lbs dry weight versus 42 lbs for the Crownline 23 SS 2011. 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 23 SS 2011 is rated to a maximum of 430 hp, giving it the larger power ceiling. The Crownline 21 SS 2007 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 2007 is Coast Guard rated for 1 passengers, while the Crownline 23 SS 2011 is certified for 11. 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 2007 and Crownline 23 SS 2011 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 2007 or the Crownline 23 SS 2011?

The Crownline 23 SS 2011 has the bigger tank at 62 gallons, versus 41 gallons on the Crownline 21 SS 2007. That 21-gallon difference translates to roughly 63–105 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Crownline 21 SS 2007 and Crownline 23 SS 2011 from the same manufacturer?

Yes — both the Crownline 21 SS 2007 and the Crownline 23 SS 2011 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 2007 full specs ← Crownline 23 SS 2011 full specs