Detailed Evaluation & Buyer Recommendation
Crownline 21 Classic 2006 vs Crownline 236 LS 2006 — Same Brand, Different Boat
The Crownline 21 Classic 2006 vs Crownline 236 LS 2006 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 236 LS 2006 measures 24,0 feet overall (2006), giving it roughly 22,0 additional feet of deck space compared to the Crownline 21 Classic 2006 at 2,0 feet (2006). At 37 lbs and 44 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 425 hp, the Crownline 236 LS 2006 has a 105-hp advantage over the Crownline 21 Classic 2006'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 236 LS 2006 carries 59 gallons versus 41 gallons in the Crownline 21 Classic 2006. 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 236 LS 2006 is rated for 12 passengers, while the Crownline 21 Classic 2006 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crownline 236 LS 2006 could be the deciding factor.
Bottom line: Choose the Crownline 236 LS 2006 if your priority is putting more people on the water — it handles 12 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Crownline 21 Classic 2006 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
MakeCrownline
Model21 Classic
Model236 LS
Model Year2006
Model Year2006
Measurements / Dimensions
Beam102 in. (2.5 m)
Beam102 in. (2.59 m)
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Bridge clearance - Detail49.25 in. (1.3 m)
Bridge clearance - Detail60 in. (1.52 m)
Bridge clearance - Meters1.24
Bridge clearance - Meters1.52
Bridge clearance - Inches49.25
Bridge clearance - Inches6
Deadrise16℃
Deadrise19℃
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. (1,588 - 1,678 kg)
Weight - Detail4,200 - 4,400 lbs. (1,906 - 1,996 kg)
Weight - kg1678.29
Weight - kg1995.8
Weight - lbs.37
Weight - lbs.44
Length - Meters6.13
Length - Meters7.59
Length - Feet2
Length - Feet24
Length - Inches1
Length - Inches11
Length overall - Detail20 ft. 10 in. (6.13 m)
Length overall - Detail24 ft. 11 in. (7.59 m)
Length overall - Meters6.35
Length overall - Meters7.59
Length overall - Inches25
Length overall - Inches299
Engine and Drivetrain
Engine/s standardMercruiser 5.0 l Alpha 220 hp
Engine/s standard5.7 l Alpha 250 hp
Fuel tank capacity - Detail41 gal. (155 l)
Fuel tank capacity - Detail59 gal. (223 l)
Fuel tank capacity - Liters155.2
Fuel tank capacity - Liters223.34
Fuel tank capacity - Gal41
Fuel tank capacity - Gal59
Drive typeI/O
Drive typeI/O
Engine max320 hp
Engine max425 hp
Operational Info
Maximum capacity1,442 lbs. (654 kg)
Maximum capacity1,875 lbs. (850 kg)
Maximum people1
Maximum people12
Water capacitynot available
Water capacity10 gal