The term referred GT1:

  • A racing car from Porsche, Porsche 911 GT1 see
  • A racing car from Nissan, Nissan R390 GT1 see
  • A racing car from Lotus, Lotus Elise GT1 see
  • A racing version of the Lamborghini Diablo
  • The group GT1, a set of regulations for Gran Turismo racing car
  • The Gran Turismo racing series FIA GT1 World Championship
  • Russian gas turbine locomotive
  • Disambiguation