I discovered that selecting the 21" wheels instead of the 19" wheels reduces the claimed range by a stunning 50 kilometres while browsing the model configurator on the official website while feigning to be a car buyer. What precisely is happening in this instance?
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This happens because larger wheels typically increase rolling resistance and can affect efficiency, thus reducing the overall range of the vehicle. It’s a trade-off between aesthetics and practicality, where larger wheels might look sleek but could impact how far you can go on a single charge or tank of fuel.
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The “unsprung weight” has significant implications for performance and efficiency. If you choose a larger wheel, the wheel/tire combination will be heavier, requiring more power/torque to spin, reducing performance and economy. This is one of the reasons drag cars have smaller wheels and larger tires.