Cd and FSA numbers for various cars

Cd = Coefficient of Drag (or Drag Coefficient)
FSA = Frontal Surface Area

The following cars are sorted from best to worst Cd. Some of the numbers might surprise you.

.20 - .29

Year(s) Car Cd
2002 Honda Insight .25
1969 Dodge Charger Daytona .28
2002 Chevrolet Corvette Z06 .29

.30 - .39

Year(s) Car Cd
2002 Chrysler 300M .31
2002 Porsche Boxster .31
2002 BMW 325i .31
2002 Chevrolet Monte Carlo SS .33
2002 Subaru Impreza WRX .33
2002 Porsche 911 Carrera Coupe .34
2002 Chevrolet Camaro Z28 SS .34
2002 Audi TT Coupe .34
2002 Dodge Viper GTS .35
2002 Chevrolet Monte Carlo LS .35
2002 Jaguar XK8 Coupe .35
2002 Ford Mustang GT .36
1986-1987 Chevrolet Monte Carlo SS Aerocoupe .36
1983-1988 Chevrolet Monte Carlo SS .37
1983 Dodge Shelby Charger .37
2002 Chrysler PT Cruiser .38
2002 VW New Beetle .38

.40 - .49

Year(s) Car Cd
2002 Ford Explorer 4x4 .41
2002 BMW Z3 Roadster .42
2002 Dodge Viper RT/10 Roadster (with top on) .45

.50 - .59

Year(s) Car Cd
2002 Dodge Viper RT/10 Roadster (with top removed) .50
2002 Dodge Dakota Club Cab 4x4 .52

References:

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