| GMC CCKW 2 1/2 ton 6x6 truck “Deuce and a Half” 1941-1945 | GMC |
| GMC Chevette 1992-1995 | GMC |
| GMC Hummer EV 2022-current (SUT & SUV) | GMC |
| GMC Jimmy 1995-2005 | GMC |
| GMC Sierra Banks Sidewinder racing truck | GMC, racing-vehicles |
| GMC Sierra HD 2500 2020-current | GMC |
| GMC Syclone 1991 | fh5-roster, GMC |
| GMC TopKick 2007-2010 | GMC |
| GMC Typhoon 1992-1993 | fh5-roster, GMC |
| GMC Vandura G-1500 1983-1990 | GMC |
| Gordini T24S 1953 | racing-vehicles |
| Gordon Murray T.33 2024-current | Gordon-Murray |
| Gordon Murray T.50S Niki Lauda 2020-current | Gordon-Murray, racing-vehicles |
| Graf & Stift Bois de Boulogne double phaeton 1910 | Graf |
| GreenGT LMPH2G 2013 | ADESS, concepts-prototypes, LMP-racing, racing-vehicles |
| Greening Auto Company Ford Maverick | custom-builds, Ford |
| Grumman LLV 1987-1994 | Grumman |
| Gumpert Apollo 2005-2012 | Gumpert |
| Gumpert Nathalie 2018-current | concepts-prototypes, Gumpert |