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Well, its not bad, but its not great either. Here are coefficients for a few vehicles:
Honda Insight .26
2nd gen Toyota Prius .27
Toyota Echo .29
93 Supra .31
03 Toyota Matrix .32
92 Camry LE .34
92 Tercel .36
91 Celica Convertible .38
94 Land Cruiser .45
93 T100 SR5 .45
The coefficient isn't the only number to worry about though. The coefficient is multiplied by the frontal area of the car to get the total amount of aerodynamic drag. So, a Tercel with coefficient of .36 and a frontal area of 19.99ft^2 has a total drag of 7.20. A Camry with a coefficient of .32 and a frontal area of 22.27ft^2 has a total drag of 7.57. Not much of a difference. So, a small change in the coefficient drastically changes how much aero drag the car makes. If the Tercel was as aerodynamic as an insight the drag would only be 5.20. This would allow a higher top speed to be achieved with the same amount of horsepower, faster acceleration, and better fuel economy. If I can drop that number down to say .32 like the 5th gens the total drag would be 6.40. Thats a 12% decrease in aero drag.
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Discussion area for Tercel, Paseo, Starlet, and Sera
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