2026 GMC Sierra 3500 Chassis Cab Colors
The 2026 GMC Sierra 3500 Chassis Cab is listed in 6 exterior colors across 973 US new listings. The most common is Summit White (88.2% of inventory); the scarcest with real inventory is Coastal Dune (0.7%). 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 3500 Chassis Cab colors, ranked by availability
| Rank | Color | Share of listings | Availability |
|---|---|---|---|
| 1 | Summit White | 88.2% | |
| 2 | Cardinal Red | 3% | |
| 3 | Sterling Metallic | 2.9% | |
| 4 | Onyx Black | 2.5% | |
| 5 | White | 1.5% | |
| 6 | Coastal Dune | 0.7% |
By color family
White · 90.1%Red · 3.1%Silver · 3.1%Black · 2.5%Beige · 0.7%
Buying a specific Sierra 3500 Chassis Cab? 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.