GT1
GT1 stands for:
- Gran Turismo racing series FIA GT1 World Championship
- Group GT1 , a set of rules for Gran Turismo racing cars
- Porsche 911 GT1 , racing car from Porsche
- Nissan R390 GT1 , Nissan racing car
- Lotus Elise GT1 , Lotus racing car
- Racing version of the Lamborghini Diablo
- RŽD class ГT1 (GT1), Russian gas turbine locomotive
- Global Tech I offshore wind farm, offshore wind farm in the German North Sea
GT-1 stands for:
- Tweed GT-1 , American sailplane in the open class, see competition class #Open class
- Gemini-Titan 1 , launch of a Gemini spaceship with the Titan launch vehicle on April 8, 1964
GT-One stands for:
- Toyota GT-One , Japanese racing car
