Verified year comparison
What changed on the GMC Sierra?
Compare only the features our editors have verified. A blank cell does not prove the vehicle lacks a feature—it means the cited guide does not cover that year.
Official configuration changes
Powertrain and efficiency by researched year.
This table compares the complete EPA-tested configuration set for each researched year, independently of feature-guide coverage.
Documentation matrix
Verified feature coverage
Scroll horizontally on a phone. Select two years above to highlight them and see the documented differences.
| Feature and equipment note | 2026 | 2023 |
|---|---|---|
| Keep the 2026 Sierra EV in Neutral for a Conveyor Car Wash2026 Sierra EV Elevation, 2026 Sierra EV AT4, 2026 Sierra EV Denali | Covered by this guide | Not covered by this guide |
| Keep the Sierra EV On for a Timed, Attended Stop2026 Sierra EV Elevation, 2026 Sierra EV AT4, 2026 Sierra EV Denali | Covered by this guide | Not covered by this guide |
| Lower and Securely Raise the Sierra EV MultiPro MidgateVerified for 2026 Sierra EV models fitted with the available MultiPro Midgate. GMC lists the feature as available across the Elevation, AT4 and Denali lineup; confirm the truck's package. | Covered by this guide | Not covered by this guide |
| Play Audio Through the MultiPro KICKER System2023 Sierra 1500 AT4X and Denali Ultimate | Not covered by this guide | Covered by this guide |
| Remove and Secure the Sierra EV Midgate Rear GlassVerified for 2026 Sierra EV trucks equipped with MultiPro Midgate and its removable rear-glass panel; this equipment is available on Elevation, AT4 and Denali configurations. | Covered by this guide | Not covered by this guide |
| Turn On and Adjust One-Pedal Driving in the 2026 Sierra EV2026 Sierra EV Elevation, 2026 Sierra EV AT4, 2026 Sierra EV Denali | Covered by this guide | Not covered by this guide |
| Turn the MultiPro Tailgate Into a Full-Width Step2023 Sierra HD SLE, SLT, AT4 and Denali | Not covered by this guide | Covered by this guide |
| Use the Sierra EV Regen on Demand PaddleVerified for the electric 2026 Sierra EV owner-manual scope when equipped with Regen on Demand; Variable Regen behavior depends on equipment. | Covered by this guide | Not covered by this guide |
Important: this matrix compares published documentation coverage, not every factory option. The equipment/trim control filters the scope labels recorded on guides; it is not a factory build matrix. Confirm an individual vehicle in its window sticker, owner portal or dealer build record.