Steel Driver

The Steel Driver is a kart in the Mario Kart series. Its name is based on the game . In fact, its Japanese and Italian names are the Steel Diver. It is a submarine-like vehicle with a dark blue top and a red underside. When the kart goes underwater, the propeller appears in the rear guard, much like an actual submarine. The emblem is located on the sides of the kart.

Mario Kart 8 / Mario Kart 8 Deluxe
The Steel Driver debuts in Mario Kart 8 as an unlockabke kart body. It has the same stats as the Badwagon, the Tri-Speeder, the Standard ATV, and the GLA. It boosts weight and traction, but lowers acceleration and handling.

In Mario Kart 8 Deluxe, it is now available from the start. In this game, it boosts speed and weight, but lowers acceleration and handling. It now shares stats with only the Tri-Speeder and Bone Rattler. CPU Iggy, Koopa Troopa, and Dry Bones are occasionally seen using this kart, paired with the Metal tires.

Mario Kart Tour
The Steel Driver returns in Mario Kart Tour, where it is classified as a High-End kart. It was added at the start of the Mario vs. Luigi Tour. The kart increases the duration of slipstreams and the points earned for performing one. It uses the Pirate Sushi Racer's tires.

Since its introduction in the Mario vs. Luigi Tour, the Steel Driver has appeared in the First Pipe and Second Pipe of each tour. In said tour, it was also available in the Penguin Luigi Pack between November 25 and December 2, 2020 for $39.99.

Names in other languages
Steel Driver U-Kart