The Speedtail is the fastest production vehicle ever produced by McLaren, but in the U.S., it won’t be legal for use on public roads.

Approximately one-third of the 106 Speedtails bound for the production line have been sold to buyers who will eventually bring them to the United States.

However, when contacted, McLaren revealed that it won’t be importing or selling the Speedtail to the U.S. That’s because the Speedtail’s three-seat layout, like the F1, doesn’t allow for side-mounted airbags which are needed for all new vehicles to comply with U.S. safety regulations.

What’s more, the fact that the Speedtail doesn’t have traditional wing mirrors and uses cameras and screens in the cockpit means it doesn’t fulfill the requirements to be street-legal in the States.

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Carscoops asked McLaren’s Vice President, Communications & PR for North Americas, Roger Ormisher, and he told us that those cars will indeed make it to the States, but that will be done by the owners themselves under the ‘Show or Display’ legislation.

“Speedtail owners will have to import them individually under the Show and Display ruling,” Ormisher said. “McLaren NA will not be officially importing or selling the car. Despite this, we believe around one-third of the production run will be heading Stateside at some stage.”

According to this, the National Highway Traffic Administration only requires a single application from a Speedtail buyer to have all vehicles considered for use under Show or Display, meaning not all U.S. customers will have to go through the process.

The current rules allow for certain special vehicles to be imported and exempted from some road regulations. The vehicles can also only be driven up to 2500 miles (4000 km) on public roads. Since most hypercar owners don’t put much more miles in their ultra-exclusive rides, we guess this should be good enough.

Powering the McLaren Speedtail is a hybrid powertrain delivering a combined 1036 hp. This allows the hyper-GT to reach 186 mph (300 km/h) in 12.8 seconds before topping out at 250 mph (403 km/h).