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Hybrid and turbocharged engines are becoming abundant in the automotive world. Stricter emissions and efficiency standards are pushing many large engines out the door in favor of smaller hybrid and turbocharged engines. This could signal the end of some supercars, such as the Lamborghini Huracan. A recent trademark filing unveiled the name Huracan STJ reserved by the Lamborghini brand, which could signal the end of an era.

What is the Lamborghini Huracan STJ?

Lamborghini filed two trademarks with the European Intellectual Property Office. Carbuzz reported the brand filed trademarks for “Huracan STJ” and “STJ” on February 27, 2024. The filing is only a hint at what this new model could be. The STJ could be the last version of the Huracan and a fitting sendoff for the V-10 engine that’s powered this incredible supercar for nearly a decade.

Not much is known about this final Huracan, but a track-only special edition with more power than the current Huracan STO is likely.

The “J” signifies special models in Lamborghini vernacular

The letter J at the end of Lamborghini models signifies special versions of supercars. The Aventador J was a nod to the Miura Jota. This letter was also used for the Diablo Jota. This car came in only 28 track-only models with the street-legal equipment stripped from it.

The Aventador J was a roofless car based on the traditional Aventador. It appeared in 2012, with the Aventador SVJ making its appearance in 2018.

Lamborghini Huracan STO supercar on a track.
Lamborghini Huracan STO | Lamborghini

Going from STO to STJ

How can the Lamborghini Huracan evolve from the current STO to the STJ model? Using the J at the end signals a more hardcore, track-ready version, which would remove the road-legal equipment. The move from the STO to the STJ could mean lower weight and increased power from the 5.2-liter V10 engine.

Currently, the Huracan STO includes:

  • A one-piece clamshell hood
  • A wide rear wing
  • A faux roof scoop
  • An engine that delivers 631 horsepower

The STO is one of three versions of the Huracan Evo sending this incredible supercar toward the sunset. The other two are the Huracan Sterrato and Huracan Tecnica.

The Lamborghini Huracan STJ could turn things up

Although we only know of the trademark filings that reveal the name and logo for this new track-ready supercar, the new STJ could dial things up as far as they can go. This means it could be a wild and impressive supercar.

Expect the new Lamborghini Huracan STJ to be a limited prouction model, if produced.