| Term | Definition / Meaning / Stand for |
| G |
Automotive & Transportation Abbreviations |
| GFM |
Gas Flow Meter |
| GDV |
Gasoline Direct Valve |
| GFE |
Gasoline Fuel Efficiency |
| GHC |
Gasoline Hydrocarbon Control |
| GLP |
Gasoline Low Pressure |
| GNC |
Gasoline Nitrogen Control |
| GOF |
Gasoline Over Fuel |
| GTEV |
Gasoline Turbo Electric Vehicle |
| GTE |
Gasoline Turbo Electric |
| GZM |
Gasoline Zoning Mechanism |
| GD |
Gear Drive |
| GES |
Gear Engagement Sensor |
| GXN |
Gear Exchange Network |
| GFS |
Gear Friction System |
| GFMU |
Gear Function Management Unit |
| GGA |
Gear Gap Adjustment |
| GGD |
Gear Grip Differential |
| GGR |
Gear Grip Ratio |
| GGP |
Gear Gripping Pressure |
| GGV |
Gear Gripping Valve |
| GHD |
Gear Handling Device |
| GIF |
Gear Indicator Function |
| GIC |
Gear Input Control |
| GKC |
Gear Kick Control |
| GMS |
Gear Monitoring System |
| GMB |
Gear Motor Brake |
| GNS |
Gear Navigation System |
| GNP |
Gear Noise Prevention |
| GOT |
Gear Over Torque |
| GPC |
Gear Position Control |
| GR |
Gear Ratio |
| GRS |
Gear Rotational Sensor |
| GSA |
Gear Shift Actuator |
| GSF |
Gear Shift Fork |
| GSG |
Gear Shift Grid |
| GSI |
Gear Shift Indicator |
| GSD |
Gear Speed Differential |
| GSI |
Gear Speed Indicator |
| GSU |
Gear Speed Unit |
| GSB |
Gear Stability Brake |
| GST |
Gear Synchronization Technology |
| GTB |
Gear Torque Balance |
| GTD |
Gear Torque Differential |
| GVL |
Gear Variable Load |
| GVF |
Gear Vibration Factor |
| GWS |
Gear Warning System |
| GW |
Gear Warning |
| GWS |
Gear Wheel Sensor |
| GYB |
Gear Yield Balance |
| GYD |
Gear Yield Differential |
| GYS |
Gear Yield Sensor |
| GZS |
Gear Zero Start |
| GZT |
Gear Zero Torque |
| GZB |
Gear Zone Braking |
| GRM |
Gearbox Resistance Module |
| GEM |
Generic Electronic Module |
| GMR |
Giant Magnetoresistance (used in vehicle sensors) |
| GDS |
Global Diagnostic System |
| GPA |
Global Positioning Accuracy |
| GOV |
Government Oversight Vehicle |
| GSR |
Government Safety Regulation |
| GOP |
Government-Owned Public Transport |
| GT |
Gran Turismo (used for high-performance vehicles) |
| GTX |
Grand Touring Xtreme |
| GXP |
Grand Xtreme Performance |
| GHG |
Greenhouse Gas Emissions |
| GCF |
Ground Clearance Factor |
| GCB |
Ground Contact Brake |
| GCT |
Ground Control Transmission |