Detailed Evaluation & Buyer Recommendation
Seaswirl 1851 Center Console O/B 2006 vs Seaswirl 2601 Walk Around I/O 2006 — Same Brand, Different Boat
The Seaswirl 1851 Center Console O/B 2006 vs Seaswirl 2601 Walk Around I/O 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 Seaswirl 2601 Walk Around I/O 2006 measures 25,0 feet overall (2006), giving it roughly 7,0 additional feet of deck space compared to the Seaswirl 1851 Center Console O/B 2006 at 18,0 feet (2006). Weight tells a clearer story for trailering families: the Seaswirl 2601 Walk Around I/O 2006 tips the scales at 515 lbs — 270 lbs less than the Seaswirl 1851 Center Console O/B 2006 at 245 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 320 hp, the Seaswirl 2601 Walk Around I/O 2006 has a 145-hp advantage over the Seaswirl 1851 Center Console O/B 2006's 175-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Seaswirl 1851 Center Console O/B 2006 carries 62 gallons versus 16 gallons in the Seaswirl 2601 Walk Around I/O 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 Seaswirl 2601 Walk Around I/O 2006 is rated for 7 passengers, while the Seaswirl 1851 Center Console O/B 2006 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Seaswirl 2601 Walk Around I/O 2006 could be the deciding factor.
Bottom line: Choose the Seaswirl 2601 Walk Around I/O 2006 if your priority is putting more people on the water — it handles 7 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The Seaswirl 1851 Center Console O/B 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
Model1851 Center Console O/B
Model2601 Walk Around I/O
Model Year2006
Model Year2006
Measurements / Dimensions
Beam90 in. (2.29 m)
Beam102 in. (2.59 m)
Beam - Meters2.29
Beam - Meters2.59
Beam - Inches9
Beam - Inches102
Bridge clearance - Detail70 in. (1.78 m)
Bridge clearance - Detail81 in. (2.06 m)
Bridge clearance - Meters1.78
Bridge clearance - Meters2.06
Bridge clearance - Inches7
Bridge clearance - Inches81
Deadrise20℃
Deadrise20℃
Draft [drive up] - Detail14 in. (.35 m)
Draft [drive up] - Detail19 in. (.48 m)
Draft [drive up] meters0.36
Draft [drive up] meters0.48
Draft [drive up] inches14
Draft [drive up] inches19
Draft [max] - Detail30 in. (.76 m)
Draft [max] - Detail35 in. (.89 m)
Draft [max] - Meters0.76
Draft [max] - Meters0.89
Draft [max] - Inches3
Draft [max] - Inches35
Weight - Detailw/ standard engine: 2,450 lbs. (1,111 kg)
Weight - Detailw/ standard engine: 5,150 lbs. (2,336 kg)
Weight - kg1111.3
Weight - kg2336
Weight - lbs.245
Weight - lbs.515
Length - Meters5.64
Length - Meters7.8
Length - Feet18
Length - Feet25
Length - Inches6
Length - Inches7
Length overall - Detail18 ft. 6 in. (5.64 m)
Length overall - Detail25 ft. 7 in. (7.80 m)
Length overall - Meters5.64
Length overall - Meters7.8
Length overall - Inches222
Length overall - Inches307
Engine and Drivetrain
Fuel tank capacity - Detail62 gal. (235 l)
Fuel tank capacity - Detail160 gal. (606 l)
Fuel tank capacity - Liters234.7
Fuel tank capacity - Liters605.67
Fuel tank capacity - Gal62
Fuel tank capacity - Gal16
Fuel typeGas
Fuel typeGas or diesel
Drive typeOutboard
Drive typeI/O
Engine max175 hp (130 kw) Standard: 115 hp (86 kw)
Engine max320 hp (239 kw) Standard: 270 hp (201 kw)
Operational Info
Maximum capacity1,900 lbs. (862 kg)
Maximum capacity2,400 lbs. (1,089 kg)
Water capacitynot available
Water capacity13 gal. (49 l)