Detailed Evaluation & Buyer Recommendation
Seaswirl 175 Bow Rider O/B 2007 vs Seaswirl 1851 Walk Around I/O 2007 — Same Brand, Different Boat
The Seaswirl 175 Bow Rider O/B 2007 vs Seaswirl 1851 Walk Around I/O 2007 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.
On paper these two are close siblings in the size department — Seaswirl 175 Bow Rider O/B 2007 at 17,0 ft versus Seaswirl 1851 Walk Around I/O 2007 at 18,0 ft. Weight tells a clearer story for trailering families: the Seaswirl 1851 Walk Around I/O 2007 tips the scales at 325 lbs — 120 lbs less than the Seaswirl 175 Bow Rider O/B 2007 at 205 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 225 hp, the Seaswirl 1851 Walk Around I/O 2007 has a 85-hp advantage over the Seaswirl 175 Bow Rider O/B 2007's 140-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 Walk Around I/O 2007 carries 62 gallons versus 23 gallons in the Seaswirl 175 Bow Rider O/B 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 5 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
At this size, power-to-weight ratio matters more than outright horsepower. The Seaswirl 1851 Walk Around I/O 2007 comes in at 1 lbs per hp versus 2 lbs per hp for the Seaswirl 175 Bow Rider O/B 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Performance buyers should lean toward the Seaswirl 1851 Walk Around I/O 2007 and its 225-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Seaswirl 175 Bow Rider O/B 2007 with its 140-hp rating is the more economical daily driver.
General Boat Info
Model175 Bow Rider O/B
Model1851 Walk Around I/O
Model Year2007
Model Year2007
Measurements / Dimensions
Beam - Meters2.36
Beam - Meters2.29
Beam - Inches93
Beam - Inches9
Deadrise20℃
Deadrise20℃
Draft [max] - Detail30 in
Draft [max] - Detail31 in
Draft [max] - Meters0.76
Draft [max] - Meters0.79
Draft [max] - Inches3
Draft [max] - Inches31
Weight - Detail2,050 lbs. w/ standard engine
Weight - Detail3,250 lbs. w/ standard engine
Weight - kg929.86
Weight - kg1474.17
Weight - lbs.205
Weight - lbs.325
Length - Feet17
Length - Feet18
Length - Inches4
Length - Inches6
Length overall - Detail17 ft. 4 in
Length overall - Detail18 ft. 6 in
Length overall - Meters5.28
Length overall - Meters5.64
Length overall - Inches208
Length overall - Inches222
Bridge clearance - Detailnot available
Bridge clearance - Detail66 in
Bridge clearance - Metersnot available
Bridge clearance - Meters1.68
Bridge clearance - Inchesnot available
Bridge clearance - Inches66
Draft [drive up] - Detailnot available
Draft [drive up] - Detail15 in
Draft [drive up] metersnot available
Draft [drive up] meters0.38
Draft [drive up] inchesnot available
Draft [drive up] inches15
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Engine and Drivetrain
Engine/s standardYamaha F115 TLR
Engine/s standardVolvo 3.0 GL - 135 hp
Fuel tank capacity - Detail23 gal
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Liters87.06
Fuel tank capacity - Liters234.7
Fuel tank capacity - Gal23
Fuel tank capacity - Gal62
Drive typeOutboard
Drive typeI/O
Engine max140 hp Standard: 90 hp
Engine max225 hp Standard: 135 hp
Operational Info
Maximum capacity1,750 lbs
Maximum capacity1,400 lbs
Headroomnot available
Headroom4 ft. 8 in