Poor tire traction will not impact range as much as speed, however, it still plays a part in range loss. If you are driving an EV with tires that are at the end of their life and the roads are wet from rain, then you can expect the range to slightly decrease.Īdditionally, under-inflated tires will not only not perform as well, but will also not be as efficient. The three factors that contribute to tire traction are tire quality, tire inflation, and road conditions. Poor tire traction results in less efficiency. However, it is safe to say the more passengers and cargo you load into the vehicle, the less efficient the EV will be. There is minimal data to, again, quantify this as a percent decrease per payload weight. Like wind, the more payload the more the motor has to work to offset the weight. Unfortunately, there is not much data behind this yet to put a quantitative percent decrease per wind MPH. The higher the headwinds, the more resistance the vehicle experiences, therefore, the motor has to work harder to combat the negative effect. WindĪnother factor that affects electric vehicle range is wind–headwind that is. At speeds of 75 MPH I routinely see only 44 miles or so. The Volt is rated at 53 miles per charge (it’s a plug-in hybrid so there is another 350+ miles of gas range after the battery is depleted). This is consistent with my 2017 Chevy Volt. In essence, expect about 15% loss of range when driving at 75 MPH. However, at 70 and 75 MPH the range decreases to 232 and 213 miles, respectively. At 65 MPH the range is right at the current EPA rating. As you can see, the Model 3 Standard Range Plus with the aero wheels has an EPA rating of 240 miles–though currently it is now rated at 250 miles.
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