User guide

HOT ROD CALC™ — 55
APPENDIX A –
BODY STYLE AND DRAG COEFFICIENTS*
BODY STYLE DRAG COEFFICIENT
Open Convertible 0.5 – 0.7
Station Wagon and Van Body 0.5 – 0.6
Notchback or Sedan 0.4 – 0.55
Fastback 0.3 – 0.4
Fairings all around, streamlined shape 0.2 – 0.25
K-shape 0.23
Optimum streamliner 0.15 – 0.2
Motorcycles 0.6 – 0.7
Trucks 0.8 – 1.5
Buses 0.6 – 0.7
* Aerodynamic drag data from Bosch Automotive Handbook
.