<P> The Polaris Slingshot is a three - wheeled motor vehicle . It was introduced in 2014 as a 2015 model . </P> <P> The Slingshot is manufactured by Polaris Industries, which claims that "It's a three - wheeled motorcycle!" It has a tilt - adjustable steering wheel, side - by - side bucket seats, and does not lean . It has no roof, doors, or side windows and the whole interior is waterproof so it can be hosed down and drained out using drain holes in the floor . The standard Slingshot has two 17" front wheels and a singular 18" wheel in the rear of the vehicle, while the Slingshot SL and SL LE Edition have two 18" forged aluminum front wheels with a 20" rear wheel . All models have a double - wishbone front suspension with a sway bar to control the front end . An optional five - speed automatic transmission is set to become available by April 2018 . A small windshield is an optional extra on the base model, and fitted as standard on the SL model . There is also an optional fiberglass wind and sun cover which Polaris calls a "Slingshade" that features inset polycarbonate windows and snaps right to the Slingshot's tube frame, acting somewhat like a hardtop roof . The steering wheel, gear stick, and brake, clutch, and throttle pedals have a conventional automobile layout . </P> <P> Depending on which state the Slingshot is registered in, it will either be registered as a motorcycle, or as an autocycle . It's classified as an Autocycle in 41 states and Hawaii is the only state still legislating on vehicle classification . Three - point seat belts are fitted; however, it has no airbags or crumple zone, and in certain jurisdictions the driver and passenger must wear motorcycle helmets . </P> <P> The Slingshot weighs 1,743 pounds (791 kg) and is powered by a 2.4 liter inline four cylinder GM Ecotec . engine . It produces 173 hp (129 kW) at 6200 rpm and 166 lb - ft (225 nm) of torque 4700 rpm . This engine was formerly used by GM in the Pontiac Solstice and Saturn Sky sports cars . </P>

Is the polaris slingshot a motorcycle or car
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