The 2025 GMC Sierra EV is an all-electric vehicle EPA-certified for 390 miles of driving range per charge across 1 certified configuration. Efficiency ratings reach up to 64 MPGe combined.
Laboratory certification test values across engine, transmission, and drivetrain permutations
| Configuration / Model | Powertrain | Drivetrain | Transmission | City | Highway | Combined | EV Range | Annual Fuel Cost | CO2 (g/mi) |
|---|---|---|---|---|---|---|---|---|---|
| Sierra EV Electricity | Electric (BEV) | 4-Wheel Drive | Automatic (A1) | 70 MPGe | 59 MPGe | 64 MPGe | 390 mi | $1,200 | — |
Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles
Based on $0.16 per kWh electricity
Estimated annual energy units needed for 15,000 miles
Compared to the average new vehicle over 5 years
Cross-reference safety ratings, owner defect complaints, and recall campaigns
Vehicle summary, specifications, and primary KPI metrics.
NHTSA 5-Star NCAP crash tests, rollover risk, and active driver assistance.
NHTSA consumer defect complaint filings by affected component.
Official safety recall notices, defects, and free repair instructions.
Direct, deterministic answers synthesized from verified United States government databases for the 2025 GMC Sierra EV
The all-electric 2025 GMC Sierra EV delivers an EPA-certified driving range of 390 miles per full battery charge across 1 certified configuration(s).
Combined energy efficiency reaches up to 64 MPGe under EPA dynamometer laboratory test cycles.
Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $1,200 for the 2025 GMC Sierra EV.
Calculated under AutoUtility's standardized methodology (15,000 miles per year, 55% city / 45% highway driving, $3.50/gallon regular gasoline, $0.16/kWh electricity) using official EPA dynamometer consumption ratings.
Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database under 40 CFR Part 600.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.