The Polaris Slingshot is an odd vehicle because it’s a roofless trike. The lack of doors and the small windshield provide an open-air experience similar to riding a motorcycle. However, occupants sit ...
And now they've got a new challenger on their hands in the form of the Slingshot. The 2.4-liter GM ... reinforced drive belt to the solitary rear wheels. In true motorbike-manufacturer style ...