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Test Condition
Test Power: 1 x 220-hp MerCruiser 5.0L
| Time To Plane |
4.7 sec. |
| 0 to 30 |
10.9 sec. |
| Test Power |
1 x 220-hp MerCruiser 5.0L
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| Transmission |
Alpha One |
| Ratio |
N/A |
| Props |
N/A |
| Load |
2 persons, 3/8 fuel, no water, min. gear |
| Climate |
80 deg., 70% humid., wind: 5-10 mph; seas: minimal chop |
Overview
The 2009 GS 259 gets
redefined for 2009.
This on the water
getaway is one of
their twin cabin
models with runabout
performance and a
family-friendly
design. Glastron’s
intent was to
deliver a balance of
more value, more
comfort and more
performance than
expected. The
builder takes
advantage of every
bit of space and
still delivers over
41 mph with a
MerCruiser 5.0L
engine. There is 72”
of headroom below,
which is remarkable
for this size of
boat. Below you have
all the basic
comforts you may
want for a night on
the hook with the
family, especially
if you get the air
conditioning option
with a generator.
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.
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Test Results
Test Power: 1 x 220-hp MerCruiser 5.0L
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RPM
|
MPH |
Knots |
Total GPH |
MPG |
NMPG |
Range |
NM Range |
dBA |
| 650 |
3.8 |
3.3 |
0.9 |
4.22 |
3.67 |
213 |
185 |
61 |
| 1000 |
4.8 |
4.1 |
1.4 |
3.39 |
2.95 |
171 |
149 |
67 |
| 1500 |
6.3 |
5.4 |
2.4 |
2.66 |
2.31 |
134 |
117 |
70 |
| 2000 |
8.5 |
7.4 |
3.6 |
2.36 |
2.05 |
119 |
103 |
79 |
| 2500 |
10.6 |
9.2 |
6.8 |
1.57 |
1.37 |
79 |
69 |
78 |
| 3000 |
21.6 |
18.8 |
7.6 |
2.84 |
2.47 |
143 |
125 |
82 |
| 3500 |
27.7 |
24.0 |
9.2 |
3.01 |
2.61 |
151 |
132 |
83 |
| 4000 |
32.7 |
28.4 |
11.2 |
2.93 |
2.55 |
148 |
128 |
82 |
| 4500 |
34.3 |
29.8 |
13.7 |
2.50 |
2.18 |
126 |
110 |
84 |
| 5200 |
41.8 |
36.3 |
18.5 |
2.27 |
1.97 |
114 |
99 |
87 |
Performance Chart
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