Boston Whaler  - 315 Conquest (2012-)

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Test Condition

Test Power: 2 x 300-hp Mercury Verado
Time To Plane 4.2 sec.
0 to 30 9.5 sec.
Test Power 2 x 300-hp Mercury Verado
Transmission N/A
Ratio 1.85 : 1
Props 14 5/8 x 17 Rev 4
Load Load: 2 persons, Fuel: 1/2 full, Water: none, Gear: 50 lbs.
Climate Temp: 85 deg., Humid: 89%, Wind: 5-10, Seas: light chop

Specifications
Length Overall 31' 3''
9.53 m
Beam 10' 8''
3.25 m
Draft 20''
0.51 m
Dry Weight 8,800 lbs.
3,392 kgs.
Tested Weight 11,426 lbs.
5,183 kg
Fuel Capacity 291 gal.
1,102 L
Water Capacity 46 gal.
174 L
Bridge Clearance 9' 0''
Deadrise/Transom 20 deg.
Max Headroom N/A
Prices, features, designs, and equipment are subject to change. Please see your local dealer or visit the builder’s website for the latest information available on this boat model.
 

Test Results

Test Power: 2 x 300-hp Mercury Verado
RPM MPH Knots Total GPH MPG NMPG Range NM Range dBA
550 2.6 2.3 0.95 2.74 2.38 717 623 62
1000 4.8 4.2 2.00 2.40 2.09 629 547 64
1500 7.3 6.3 3.55 2.06 1.79 539 468 69
2000 8.9 7.7 5.45 1.62 1.41 425 370 70
2500 10.4 9.0 9.00 1.15 1.00 301 262 73
3000 14.3 12.4 12.95 1.10 0.96 288 251 83
3500 16.7 14.5 15.80 1.06 0.92 277 241 81
4000 29.7 23.2 19.85 1.34 1.17 352 306 82
4500 33.2 28.8 24.55 1.35 1.17 354 308 82
5000 38.0 33.0 32.85 1.16 1.00 303 263 83
5500 42.5 37.0 42.90 0.99 0.86 259 226 85
6100 47.5 41.3 60.00 0.79 0.69 207 180 86

Performance Chart

Performance Chart

Speeds measured with Stalker ProSports radar gun. Fuel consumption (gallons per hour) measured with Floscan digital fuel-flow meter on gas inboards, sterndrives, and outboards, TechMate electronic scan tool on gas EFI inboards, Caterpillar digital fuel-flow meter on diesel engines, or permanently installed fuel-monitoring equipment. Range is based on 90% of published fuel capacity. Sound levels determined using Radio Shack digital decibel meter on A scale. 68 dBA is the level of normal conversation.