Bayliner 180 2005 vs Bayliner 180 OB 2010 - Boat Spec Comparison

Q: Which is easier to trailer — the Bayliner 180 2005 or the Bayliner 180 OB 2010?

For trailering, the Bayliner 180 OB 2010 has the edge at 1 878 lbs dry weight versus 1 878 lbs for the Bayliner 180 2005. 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: What is the maximum horsepower rating for these boats?

The Bayliner 180 OB 2010 has a documented max rating of 125 hp. Engine specifications for the Bayliner 180 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Bayliner 180 2005 is Coast Guard rated for 6 passengers, while the Bayliner 180 OB 2010 is certified for 7. 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 Bayliner 180 2005 and Bayliner 180 OB 2010 share an 7 ft. 6 in. (2.29 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: How do the fuel tanks compare on the Bayliner 180 2005 and Bayliner 180 OB 2010?

Both boats carry similar fuel loads — 23 gallons and 23 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Q: Are the Bayliner 180 2005 and Bayliner 180 OB 2010 from the same manufacturer?

Yes — both the Bayliner 180 2005 and the Bayliner 180 OB 2010 are built by Bayliner. 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

Bayliner 180 2005 vs Bayliner 180 OB 2010

Bayliner

Bayliner 180 2005

2005

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Bayliner

Bayliner 180 OB 2010

2010

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Detailed Evaluation & Buyer Recommendation

Bayliner 180 2005 vs Bayliner 180 OB 2010 — Same Brand, Different Boat

The Bayliner 180 2005 vs Bayliner 180 OB 2010 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.

The Bayliner 180 OB 2010 tops out at 125 hp. Engine specs for the Bayliner 180 2005 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 23 gal and 23 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Bayliner 180 OB 2010 is rated for 7 passengers, while the Bayliner 180 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bayliner 180 OB 2010 could be the deciding factor.

Bottom line: Choose the Bayliner 180 OB 2010 if your priority is putting more people on the water — it handles 7 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Bayliner 180 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.

General Boat Info

MakeBayliner

Model18

Model180 OB

Model Year2005

Model Year201

Measurements / Dimensions

Beam7 ft. 6 in. (2.29 m)

Beam - Meters2.29

Beam - Inches9

Bridge clearance - Detail3 ft. 10 in. (1.17 m)

Bridge clearance - Meters1.17

Bridge clearance - Inches46

Deadrise17℃

Deadrise17°

Draft [max] - DetailHull: 1 ft. 2 in. (.36 m) Max: 2 ft. 7 in. (.79 m)

Draft [max] - Detail2 ft. 7 in. (0.79 m)

Draft [max] - Meters0.79

Draft [max] - Inches31

Weight - Detail1,878 lbs. (852 kg)

Weight - kg851.85

Weight - lbs.1878

Length overall - Detail18 ft. 0 in. (5.49 m) 19 ft. 10 in. (6.05 m)

Length overall - Detail18 ft. 0 in. (5.49 m)

Length overall - Meters6.05

Length overall - Meters5.49

Length overall - Inches238

Length overall - Inches216

Draft [drive up] - Detailnot available

Draft [drive up] - Detail1 ft. 2 in. (0.36 m)

Draft [drive up] metersnot available

Draft [drive up] meters0.36

Draft [drive up] inchesnot available

Draft [drive up] inches14

Height - Detailnot available

Height - Detail6 ft. 0 in. (1.83 m) rigged

Height - Metersnot available

Height - Meters1.83

Height - Inchesnot available

Height - Inches72

Length - Feetnot available

Length - Feet18

Engine and Drivetrain

Fuel tank capacity - Detail23 gal. (87 L)

Fuel tank capacity - Detail23 gal. (87 l)

Fuel tank capacity - Liters87.06

Fuel tank capacity - Gal23

Engine/s standardnot available

Engine/s standard90 hp

Fuel typenot available

Fuel typeGas

Drive typenot available

Drive typeOutboard

Engine maxnot available

Engine max125 hp

Trailer Info

Trailer - HeightRigged: 6 ft. 3 in. (1.91 m)

Trailer - Heightnot available

Trailer - Length over allStorage Length (Tongue Swung to Side): 20 ft. 9 in. (6.32 m) Rigged: 22 ft. 5 in. (6.83 m)

Trailer - Length over allnot available

Trailer - Weight2,491 lbs. (1,130 kg)

Trailer - Weightnot available

Trailer - Width7 ft. 11 in. (2.41 m)

Trailer - Widthnot available

Body / Hull

Hull materialnot available

Hull materialFiberglass

Hull typenot available

Hull typeModified Vee

Operational Info

Maximum peoplenot available

Maximum people7

Bayliner 180 2005 vs Bayliner 180 OB 2010 — Common Questions

Which is easier to trailer — the Bayliner 180 2005 or the Bayliner 180 OB 2010?

For trailering, the Bayliner 180 OB 2010 has the edge at 1 878 lbs dry weight versus 1 878 lbs for the Bayliner 180 2005. 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.

What is the maximum horsepower rating for these boats?

The Bayliner 180 OB 2010 has a documented max rating of 125 hp. Engine specifications for the Bayliner 180 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

How many people can each boat hold?

The Bayliner 180 2005 is Coast Guard rated for 6 passengers, while the Bayliner 180 OB 2010 is certified for 7. 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 Bayliner 180 2005 and Bayliner 180 OB 2010 share an 7 ft. 6 in. (2.29 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.

How do the fuel tanks compare on the Bayliner 180 2005 and Bayliner 180 OB 2010?

Both boats carry similar fuel loads — 23 gallons and 23 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the Bayliner 180 2005 and Bayliner 180 OB 2010 from the same manufacturer?

Yes — both the Bayliner 180 2005 and the Bayliner 180 OB 2010 are built by Bayliner. 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.

← Bayliner 180 2005 full specs ← Bayliner 180 OB 2010 full specs