2026 GMC Sierra 3500HD Colors
The 2026 GMC Sierra 3500HD is listed in 15 exterior colors across 6,256 US new listings. The most common is Summit White (30.2% of inventory); the scarcest with real inventory is Gray (0.1%). Shares are live market data — what dealers actually stock, not just the brochure palette.
Updated 2026-10-22 from live US new-car inventory.
All 2026 Sierra 3500HD colors, ranked by availability
| Rank | Color | Share of listings | Availability |
|---|---|---|---|
| 1 | Summit White | 30.2% | |
| 2 | Onyx Black | 20.9% | |
| 3 | Sterling Metallic | 17.2% | |
| 4 | Glacier White Tricoat | 12.8% | |
| 5 | Downpour Metallic | 4.8% | |
| 6 | Coastal Dune | 4% | |
| 7 | Titanium Rush Metallic | 3.7% | |
| 8 | Volcanic Red Tintcoat | 3.2% | |
| 9 | Cardinal Red | 1.3% | |
| 10 | White | 0.5% | |
| 11 | Black | 0.4% | |
| 12 | Silver | 0.1% | |
| 13 | Glacier White | 0.1% | |
| 14 | Blue | 0.1% | |
| 15 | Gray | 0.1% |
By color family
White · 43.7%Black · 21.3%Silver · 17.3%Red · 4.6%Beige · 4%Gray · 3.9%Blue · 0.1%
Buying a specific Sierra 3500HD? Verify its factory color on the window sticker.
A listing's “color” field is dealer-entered. The original window sticker shows the exact factory paint line for that VIN — plus every option the car shipped with, so repaints and mis-listed cars show themselves.