- GTA
-
A model of automobile from Alfa-Romeo
- GTL
- Acronym for Gas to liquid
- GTO
-
- Acronym for Gran Turismo Omologato.
- A model of automobile manufactured by Pontiac division of General Motors
- GTP
- Acronym for Grand Touring Prototype.
Also see
- GTW
- Acronym for Gross train weight.

