Tiara Yachts 3900 Open 2009 vs Tiara Yachts 4800 Convertible 2010 - Boat Spec Comparison

Q: Which is the larger boat — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

The Tiara Yachts 4800 Convertible 2010 is the longer of the two at 51,4 feet overall. The Tiara Yachts 3900 Open 2009 comes in at 39,0 feet, making it roughly 12,4 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which is easier to trailer — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

For trailering, the Tiara Yachts 3900 Open 2009 has the edge at 245 lbs dry weight versus 45 012 lbs for the Tiara Yachts 4800 Convertible 2010. 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 Tiara Yachts 3900 Open 2009 has a documented max rating of 600 hp. Engine specifications for the Tiara Yachts 4800 Convertible 2010 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 Tiara Yachts 3900 Open 2009 is Coast Guard rated for 12 passengers, while the Tiara Yachts 4800 Convertible 2010 is certified for 15. 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: Which boat is wider, and does it affect trailering?

The Tiara Yachts 4800 Convertible 2010 measures 191" wide, compared to 18" for the Tiara Yachts 3900 Open 2009. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Q: Which boat has the larger fuel tank — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

The Tiara Yachts 3900 Open 2009 has the bigger tank at 535 gallons, versus 1 gallons on the Tiara Yachts 4800 Convertible 2010. That 534-gallon difference translates to roughly 1602–2670 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Tiara Yachts 3900 Open 2009 and Tiara Yachts 4800 Convertible 2010 from the same manufacturer?

Yes — both the Tiara Yachts 3900 Open 2009 and the Tiara Yachts 4800 Convertible 2010 are built by Tiara Yachts. 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

Tiara Yachts 3900 Open 2009 vs Tiara Yachts 4800 Convertible 2010

Tiara Yachts

Tiara Yachts 3900 Open 2009

2009

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Tiara Yachts

Tiara Yachts 4800 Convertible 2010

2010

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Detailed Evaluation & Buyer Recommendation

Tiara Yachts 3900 Open 2009 vs Tiara Yachts 4800 Convertible 2010 — Same Brand, Different Boat

Matching a modified vee Tiara Yachts 3900 Open 2009 against a deep vee Tiara Yachts 4800 Convertible 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

Size is the most obvious dividing line here. The Tiara Yachts 4800 Convertible 2010 measures 51,4 feet overall (2010), giving it roughly 12,4 additional feet of deck space compared to the Tiara Yachts 3900 Open 2009 at 39,0 feet (2009). Weight tells a clearer story for trailering families: the Tiara Yachts 4800 Convertible 2010 tips the scales at 45 012 lbs — 44 767 lbs less than the Tiara Yachts 3900 Open 2009 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 Tiara Yachts 3900 Open 2009 carries a rated maximum of 600 hp. Engine data for the Tiara Yachts 4800 Convertible 2010 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Tiara Yachts 3900 Open 2009 carries 535 gallons versus 1 gallons in the Tiara Yachts 4800 Convertible 2010. 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 Tiara Yachts 4800 Convertible 2010 is rated for 15 passengers, while the Tiara Yachts 3900 Open 2009 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Tiara Yachts 4800 Convertible 2010 could be the deciding factor.

Bottom line: Choose the Tiara Yachts 4800 Convertible 2010 if your priority is putting more people on the water — it handles 15 passengers and at 51,4 ft it has the deck room to back that rating up comfortably. The Tiara Yachts 3900 Open 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.

General Boat Info

MakeTiara Yachts

Model3900 Open

Model4800 Convertible

Model Year2009

Model Year201

Measurements / Dimensions

Beam15 ft. 0 in. (4.57 m)

Beam15 ft. 11 in. (4.85 m)

Beam - Meters4.57

Beam - Meters4.85

Beam - Inches18

Beam - Inches191

Deadrise18℃

Deadrise14.8℃

Draft [max] - Detail3 ft. 6 in. (1.06 m) with props

Draft [max] - Detail4 ft. (1.22 m) with props

Draft [max] - Meters1.07

Draft [max] - Meters1.22

Draft [max] - Inches42

Draft [max] - Inches48

Weight - Detail24,500 lbs. (11,113 kg)

Weight - Detail45,012 lbs. (20,417 kg)

Weight - kg11113

Weight - kg20417.08

Weight - lbs.245

Weight - lbs.45012

Height - Detail9 ft. 7 in. (2.92 m) from waterline to top of windshield 10 ft. 4 in. (3.15 m) from waterline to top of optional hardtop

Height - Detail17 ft. 5 in. (5.3 m) from waterline to top of optional hardtop

Height - Meters3.15

Height - Meters5.31

Height - Inches124

Height - Inches209

Length - Meters11.96

Length - Metersnot available

Length - Feet39

Length - Feet51.42

Length - Inches3

Length - Inchesnot available

Length overall - Detail39 ft. 3 in. (11.96 m) without standard pulpit 41 ft. 11 in. (12.77 m) with standard pulpit

Length overall - Detail48 ft. 5 in. (14.76 m) without standard pulpit 51 ft. 5 in. (15.67 m) with standard pulpit

Length overall - Meters12.78

Length overall - Meters15.67

Length overall - Inches503

Length overall - Inches617

Length [over all with swim platform]not available

Length [over all with swim platform]53 ft. 11 in. (16.43 m) with standard pulpit and optional 30 in. swim platform

Body / Hull

Hull materialFiberglass

Hull typeModified Vee

Hull typeDeep Vee

Engine and Drivetrain

Engine/s standardTwin Cummins? QSC, 550 hp

Engine/s standardTwin CAT? C18 ACERT, 885 hp

Fuel tank capacity - Detail535 gal. (2,025 l)

Fuel tank capacity - Detail1,000 gal. (3,785.41 l)

Fuel tank capacity - Liters2025.19

Fuel tank capacity - Liters3785.41

Fuel tank capacity - Gal535

Fuel tank capacity - Gal1

Fuel typeDiesel

Drive typeInboard - Twin

Engine max600 hp

Engine maxnot available

Battery12V 2-bank battery system with batteries and battery switches (3 engine batteries, 3 house batteries)

Batterynot available

Operational Info

Head1

HeadMaster and Guest

Sleeping capacity5

Sleeping capacity7

Water capacity120 gal. (454 l)

Water capacity150 gal. (567.81 l)

Holding tank capacity - Detail38 gal. (143.8 l)

Holding tank capacity - Detail50 gal. (189.27 l)

Holding tank capacity - Liters143.85

Holding tank capacity - Liters189.27

Holding tank capacity - Gal38

Holding tank capacity - Gal5

Tiara Yachts 3900 Open 2009 vs Tiara Yachts 4800 Convertible 2010 — Common Questions

Which is the larger boat — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

The Tiara Yachts 4800 Convertible 2010 is the longer of the two at 51,4 feet overall. The Tiara Yachts 3900 Open 2009 comes in at 39,0 feet, making it roughly 12,4 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which is easier to trailer — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

For trailering, the Tiara Yachts 3900 Open 2009 has the edge at 245 lbs dry weight versus 45 012 lbs for the Tiara Yachts 4800 Convertible 2010. 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 Tiara Yachts 3900 Open 2009 has a documented max rating of 600 hp. Engine specifications for the Tiara Yachts 4800 Convertible 2010 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 Tiara Yachts 3900 Open 2009 is Coast Guard rated for 12 passengers, while the Tiara Yachts 4800 Convertible 2010 is certified for 15. 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.

Which boat is wider, and does it affect trailering?

The Tiara Yachts 4800 Convertible 2010 measures 191" wide, compared to 18" for the Tiara Yachts 3900 Open 2009. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Which boat has the larger fuel tank — the Tiara Yachts 3900 Open 2009 or the Tiara Yachts 4800 Convertible 2010?

The Tiara Yachts 3900 Open 2009 has the bigger tank at 535 gallons, versus 1 gallons on the Tiara Yachts 4800 Convertible 2010. That 534-gallon difference translates to roughly 1602–2670 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Tiara Yachts 3900 Open 2009 and Tiara Yachts 4800 Convertible 2010 from the same manufacturer?

Yes — both the Tiara Yachts 3900 Open 2009 and the Tiara Yachts 4800 Convertible 2010 are built by Tiara Yachts. 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.

← Tiara Yachts 3900 Open 2009 full specs ← Tiara Yachts 4800 Convertible 2010 full specs