Detailed Evaluation & Buyer Recommendation
Riviera Yachts 51 Enclosed Flybridge SII 2008 vs Riviera Yachts 73 Motor Yacht 2011 — Same Brand, Different Boat
Matching a modified vee Riviera Yachts 51 Enclosed Flybridge SII 2008 against a deep vee Riviera Yachts 73 Motor Yacht 2011 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 Riviera Yachts 73 Motor Yacht 2011 measures 73,5 feet overall (2011), giving it roughly 19,5 additional feet of deck space compared to the Riviera Yachts 51 Enclosed Flybridge SII 2008 at 54,0 feet (2008). Weight tells a clearer story for trailering families: the Riviera Yachts 51 Enclosed Flybridge SII 2008 tips the scales at 4 806 lbs — 4 701 lbs more than the Riviera Yachts 73 Motor Yacht 2011 at 105 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 1 650 hp, the Riviera Yachts 51 Enclosed Flybridge SII 2008 has a 950-hp advantage over the Riviera Yachts 73 Motor Yacht 2011's 700-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Riviera Yachts 73 Motor Yacht 2011 is rated for 22 passengers, while the Riviera Yachts 51 Enclosed Flybridge SII 2008 caps at 16. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Riviera Yachts 73 Motor Yacht 2011 could be the deciding factor.
Bottom line: Choose the Riviera Yachts 73 Motor Yacht 2011 if your priority is putting more people on the water — it handles 22 passengers and at 73,5 ft it has the deck room to back that rating up comfortably. The Riviera Yachts 51 Enclosed Flybridge SII 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 16 that costs less to run day-to-day.
General Boat Info
MakeRiviera Yachts
MakeRiviera Yachts
Model51 Enclosed Flybridge SII
Model73 Motor Yacht
Model Year2008
Model Year2011
Measurements / Dimensions
Beam16 ft. 2 in. (4.93 m) including gunwale
Beam20 ft. (6.1 m) including gunwale
Beam - Meters4.93
Beam - Meters6.1
Beam - Inches194
Beam - Inches24
Draft [max] - Detail4 ft. 6 in. (1.38 m) including props
Draft [max] - Detail4 ft. 6 in. (1.37 m) including props
Draft [max] - Meters1.37
Draft [max] - Meters1.37
Draft [max] - Inches54
Draft [max] - Inches54
Weight - Detail48,060 lbs. (21,800 kg)
Weight - Detail110,500 lbs. (51,500 kg)
Weight - kg21799.63
Weight - kg4762.72
Weight - lbs.4806
Weight - lbs.105
Length - Meters16.67
Length - Metersnot available
Length - Feet54
Length - Feet73.5
Length - Inches8
Length - Inchesnot available
Length [over all with swim platform]58 ft. 2 in. (17.73 m)
Length [over all with swim platform]76 ft. 7 in. (23.35 m)
Length overall - Detail54 ft. 8 in. (16.67 m)
Length overall - Detail73 ft. 6 in. (22.26 m)
Length overall - Meters16.66
Length overall - Meters22.4
Length overall - Inches656
Length overall - Inches882
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Engine/s standardx2 MTU 825 hp (615 kW) each
Engine/s standardStandard: (2) MTU Series 60 Optional: Caterpillar C18 or MTU 8V
Fuel tank capacity - Detail713 gal. (2,700 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters2699
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal713
Fuel tank capacity - Galnot available
Fuel typeDiesel
Fuel typeDiesel
Drive typeInboard - Twin
Drive typeInboard - Twin
Engine max1,650 hp (1,230 kW)
Engine max700 hp (515 kW) each
Operational Info
Sleeping capacity6 to 8
Sleeping capacity8 - 12
Water capacity227 gal. (860 l)
Water capacitynot available
Holding tank capacity - Detail40 gal. (151 l)
Holding tank capacity - Detail100 gal. (378 l)
Holding tank capacity - Liters151.42
Holding tank capacity - Liters378.54
Holding tank capacity - Gal4
Holding tank capacity - Gal1