The 2015 GMC Savana is certified across 8 configurations with 6L 8-Cylinder Engine, 4.8L 8-Cylinder Engine powertrain options. Available drivetrain layouts include Rear-Wheel Drive paired with Automatic 6-spd. EPA classified under the Vans, Passenger Type / Vans, Cargo Type size category.
Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation
| Configuration / Model | Engine & Displacement | Cylinders | Induction / Tech | Transmission | Drivetrain | Fuel System |
|---|---|---|---|---|---|---|
| Savana 2500 2WD (Passenger) Vans, Passenger Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Gasoline or E85 |
| Savana 2500 2WD (Passenger) Vans, Passenger Type | 4.8L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Regular |
| Savana 3500 2WD (Passenger) Vans, Passenger Type | 4.8L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Regular |
| Savana 2500 2WD (Passenger) Vans, Passenger Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Regular |
| Savana 3500 2WD (Passenger) Vans, Passenger Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Regular |
| Savana 2500 2WD Conversion (cargo) Vans, Cargo Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Gasoline or E85 |
| Savana 2500 2WD Conversion (cargo) Vans, Cargo Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Regular |
| Savana 3500 2WD (Passenger) Vans, Passenger Type | 6L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic 6-spd | Rear-Wheel Drive | Gasoline or E85 |
Federal classification standards and standard active driver assistance system capabilities
Vans, Passenger Type, Vans, Cargo Type
Standard passenger body configuration
Evaluated under federal safety compliance standards.
Cross-reference fuel economy, safety ratings, owner defect complaints, and recall notices
Vehicle summary, key performance indicators, and primary reliability metrics.
EPA certified city/highway fuel economy, electric battery range, and annual fuel costs.
NHTSA 5-Star NCAP crash tests, rollover risk, and active driver assistance.
NHTSA consumer defect complaint filings by affected vehicle component.
Official safety recall notices, defect descriptions, and free dealer remedies.
Direct, deterministic answers synthesized from verified United States government databases for the 2015 GMC Savana
The 2015 GMC Savana is certified with 6L and 4.8L 8-Cylinder engine options across factory configurations.
Certified specifications reflect official EPA emissions and fuel economy filings under 40 CFR Part 600.
Official EPA certification records list the 2015 GMC Savana with Rear-Wheel Drive layout(s).
Drivetrain layout affects vehicle curb weight, traction capabilities, and EPA-certified fuel economy ratings.
Factory certification records list Automatic 6-spd transmission architectures for the 2015 GMC Savana.
Transmission specifications represent factory certified equipment tested for emissions and fuel economy compliance.
Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries under 40 CFR Part 600.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.