| G.P. | General Practitioner |
| gal | gallon |
| GATS | Global Automotive Telematics |
| GC | Gaschromatographensäule |
| GDI | Gasoline Direct Injection |
| GIDAS | German In-Depth Accident Study |
| GLP | Glow Plug |
| GM | |
| GMA | Giermomentaufbauverzögerung |
| GND | Ground |
| GOT | Gaswechsel-OT |
| GPRS | General Packet Radio Service |
| GPS | Global Positioning System |
| GRM | Geschaltete Reluktanzmaschine |
| GSM | Global System for Mobile Communication |
| GtL | Gas to Liquids |
| GTO | Gate Turn Off |
| GUI | Graphical User Interface |
| GWP | Global Warning Potential |
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