2018 GMC Sierra 1500 Specifications | 
				|
|---|---|
| 2018 GMC Sierra 1500 Sub Models | |
| Crew Cab 4WD | 0.3% | 
| Denali Crew Cab 4WD | 15.8% | 
| Double Cab 4WD | 1.3% | 
| Double Cab 4x4 | 0.3% | 
| Elevation Double Cab 4WD | 5.5% | 
| Regular Cab | 0.5% | 
| Regular Cab 4WD | 2.8% | 
| SLE Crew Cab | 0.8% | 
| SLE Crew Cab 4WD | 7.3% | 
| SLE Double Cab 4WD | 18.3% | 
| SLE Regular Cab 4WD | 0.5% | 
| SLT Crew Cab | 1.5% | 
| SLT Crew Cab 4WD | 36.9% | 
| SLT Double Cab 4WD | 8.3% | 
| 2018 GMC Sierra 1500 Engines | |
| 4.3 Liter DI OHV 12-Valve VVT EcoTec3 V6 | 2.3% | 
| 5.3 Liter DI OHV 16-Valve VVT EcoTec3 V8 | 82.2% | 
| 6.2 Liter DI OHV 16-Valve VVT EcoTec3 V8 | 15.6% | 
| 2018 GMC Sierra 1500 Transmissions | |
| 6 Speed Automatic | 48.2% | 
| 8 Speed Automatic | 51.8% | 
| 2018 GMC Sierra 1500 Colors | |
| Cardinal Red | 2.0% | 
| Dark Slate Metallic | 10.6% | 
| Deep Mahogany Metallic | 4.0% | 
| Mineral Metallic | 0.8% | 
| Onyx Black | 28.1% | 
| Quicksilver Metallic | 12.6% | 
| Red Quartz Tintcoat | 12.3% | 
| Stone Blue Metallic | 4.3% | 
| Summit White | 16.3% | 
| White Frost Tricoat | 9.0% | 
| 2018 GMC Sierra 1500 Interiors | |
| Cocoa/Dark Sand | 5.3% | 
| Cocoa/Dune | 17.3% | 
| Dark Ash/Jet Black | 14.8% | 
| Jet Black | 57.8% | 
| Jet Black/Spice Red | 4.8% |