Quote:
Originally Posted by G2TDI
weight trumps aerodynamics in an overall perspective, while yes aerodynamics does so on the highway at long higher speed constant stretches.
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It's a common misconception that aerodynamics are only an issue at highway speeds.
Enter your vehicle's stats into this tool...
Aerodynamic & rolling resistance, power & MPG calculator - EcoModder.com
... and you'll see that air drag consumes about
half of the power (fuel) needed to drive your car at speeds as low as around 35 mph.