Detailed Evaluation & Buyer Recommendation
Sea Ray 300 Select EX 2008 vs Sea Ray 420 Sundancer® 2005 — Same Brand, Different Boat
The Sea Ray 300 Select EX 2008 vs Sea Ray 420 Sundancer® 2005 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 Sea Ray 300 Select EX 2008 carries a rated maximum of 320 hp. Engine data for the Sea Ray 420 Sundancer® 2005 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Sea Ray 420 Sundancer® 2005 carries 335 gallons versus 13 gallons in the Sea Ray 300 Select EX 2008. 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 Sea Ray 420 Sundancer® 2005 is rated for 13 passengers, while the Sea Ray 300 Select EX 2008 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 420 Sundancer® 2005 could be the deciding factor.
Bottom line: Choose the Sea Ray 420 Sundancer® 2005 if your priority is putting more people on the water — it handles 13 passengers and at 45,0 ft it has the deck room to back that rating up comfortably. The Sea Ray 300 Select EX 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
Model300 Select EX
Model420 Sundancer®
Model Year2008
Model Year2005
Measurements / Dimensions
Beam9 ft. 8 in. (2.95 m)
Beam14 ft. 0 in. (4.27 m)
Beam - Meters2.95
Beam - Meters4.27
Beam - Inches116
Beam - Inches168
Deadrise21℃
Deadrise19℃
Draft [drive up] - Detail23 in. (58.4 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.58
Draft [drive up] metersnot available
Draft [drive up] inches23
Draft [drive up] inchesnot available
Draft [max] - Detail38 in. (96.5 cm)
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Meters0.97
Draft [max] - Meters1.02
Draft [max] - Inches38
Draft [max] - Inches4
Length - Meters8.99
Length - Meters13.72
Length - Feet29
Length - Feet45
Length - Inches6
Length - Inchesnot available
Length [over all with swim platform]32 ft. 2 in. (9.80 m)
Length [over all with swim platform]not available
Length overall - Detail29 ft. 6 in. (8.99 m)
Length overall - Detail45 ft. 0 in. (13.72 m)
Length overall - Meters8.99
Length overall - Meters13.72
Length overall - Inches354
Length overall - Inches54
Weight - Detailnot available
Weight - Detail22,500 lbs. (10,205 kg)
Weight - kgnot available
Weight - kg10205.82
Weight - lbs.not available
Weight - lbs.225
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standard496 Magnum? Bravo? III MCM DTS - 375 hp (280 kW)
Engine/s standardT-VD-8.1 S Horizon MerCruiser? Gasoline Inboards (T-370 hp - 276 kw)
Fuel tank capacity - Detail130 gal. (492.1 l)
Fuel tank capacity - Detail335 gal. (1,268 l)
Fuel tank capacity - Liters492.1
Fuel tank capacity - Liters1268.11
Fuel tank capacity - Gal13
Fuel tank capacity - Gal335
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typeInboard
Engine maxTwin 320 hp (239 kW)
Engine maxnot available
Operational Info
Holding tank capacity - Detail20 gal. (75.7 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Liters75.71
Holding tank capacity - Liters158.99
Holding tank capacity - Gal2
Holding tank capacity - Gal42
Water capacitynot available
Water capacity100 gal. (378.5 l)