Spy photographers (source) have spotted a chassis mule of what appears to be an SUV-Coupé from Polestar, which is believed to become the Polestar 4. The test mule is currently driving around in a heavily modified Volvo XC40 body.
It is worth noting that the prototype that was spotted for the first time while testing in Spain also comes with sporty wheels, performance summer tyres from Michelin, and massive brake disks and brake calipers. With the latter elements taken into consideration, this model is expected to have a significant amount of power at its disposal.
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