Pontiac Fiero
The Pontiac Fiero was a mid-engine sports car built on Earth during the late 20th century.

When the  crew went back in time to 1986, in effort to return humpback whales to the 23rd century, a Fiero was seen in traffic as the crew crossed the street, around the time that Captain Kirk was nearly run down by a car. Another Fiero was seen on the street near the plastics factory where Scotty introduced transparent aluminum to the 20th century. ()

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Earth vehicles
Ground vehicles