2015 Buick LaCrosse Specifications Overview
The 2015 Buick LaCrosse is certified across 4 configurations with 3.6L 6-Cylinder Engine, 2.4L Gas-Electric Hybrid Engine powertrain options. Available drivetrain layouts include Front-Wheel Drive, All-Wheel Drive paired with Automatic (S6). EPA classified under the Midsize Cars size category.
Certified Powertrain & Transmission Configurations (4)
Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation
| Configuration / Model | Engine & Displacement | Cylinders | Induction / Tech | Transmission | Drivetrain | Fuel System |
|---|---|---|---|---|---|---|
| LaCrosse Midsize Cars | 3.6L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Regular |
| LaCrosse Midsize Cars | 3.6L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Gasoline or E85 |
| LaCrosse AWD Midsize Cars | 3.6L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S6) | All-Wheel Drive | Gasoline or E85 |
| LaCrosse eAssist Midsize Cars | 2.4L Gas-Electric Hybrid Engine | 4 | Hybrid Electric Assist | Automatic (S6) | Front-Wheel Drive | Regular |
Regulatory Classification & Safety Architecture
Federal classification standards and standard active driver assistance system capabilities
EPA Regulatory Size Class
- Midsize Cars
NHTSA NCAP Body Formats
- 2015 Buick Lacrosse 4 DR FWD
- 2015 Buick Lacrosse 4 DR AWD
Active Safety Technology
Evaluated under federal safety compliance standards.
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.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.