Manufacturer Performance Comparison

Boat Information
Boat Manufacturer  Stingray  Glastron    Cobalt  Chaparral
Boat Model  208LR  GT 205 SF    200  21 H2O Ski & Fish
Length / ft in  20'8"  20'8"    20'5"  21'0"
Hull Type  Mono  Mono    Mono  Runabout
Fuel Cap/gals  35  35      40
Weight / lbs  3405  3310      3200
Power Type  SD  SD    SD  SD
Test Source  Trailer Boats  Boattest.com    Boating  Mercury
Test Date  04/2011  11/2010    08/2011  08/2013
Engine Information
Engine Make  MerCruiser  Volvo    MerCruiser  MerCruiser
Drive Type  Alpha  SX    Alpha  
Engine Model  Four-Cycle MPI  Four-Cycle MPI    Four-Cycle MPI  Four-Cycle MPI
Horse Power  220  225    220  220
Drive Ratio  1.81      1.62  
Motor Displacement  4.3L  4.3L    4.3L  4.3L
Prop Pitch  23  19    21  21
Performance
Top Speed @ WOT  54.2  49.4    47.6  47.1
MPG @ WOT  3.3  2.8    3.1  3.0
RPM @ WOT  5000  5000    4750  4580
GPH @ WOT  16.2  17.5    15.6  15.6
MPG @ 30 MPH  5.0  4.1    3.7  3.7
GPH @ 30 MPH  6.0  7.3    8.1  8.1
Range/ Miles @ 30 MPH  175.0  144.2      148.4
Run time/hrs @ 30 MPH  5.8Hrs  4.8Hrs      4.9Hrs
MPH@2000  9.1  8.9    9.1  9.8
MPG@2000  2.3  2.4    2.2  2.3
GPH@2000  3.9  3.7    4.2  4.2
MPH@2500  25.1  19.7    22.5  
MPG@2500  5.2  3.9    4.2  
GPH@2500  4.8  5.1    5.3  
MPH@3000  32.9  27.7    28.4  28.4
MPG@3000  5.1  4.3    3.9  3.8
GPH@3000  6.4  6.5    7.3  7.5
MPH@3500  39.2  32.8    34.2  34.9
MPG@3500  4.7  4.0    3.5  3.5
GPH@3500  8.4  8.3    9.8  10.1
MPH@4000  43.1  38.5    41.2  40.2
MPG@4000  4.0  3.7    3.5  3.0
GPH@4000  10.7  10.4    11.7  13.2
MPH@4500  49.3  43.7    47.2  46.8
MPG@4500  3.5  3.2    3.2  3.0
GPH@4500  13.9  13.5    14.9  15.5
MPH@5000  54.2  49.4      47.1
MPG@5000  3.3  2.8      3.0
GPH@5000  16.2  17.5      15.6