2025 BMW 8 Series Specifications Overview
The 2025 BMW 8 Series is certified across 10 configurations with 3L 6-Cylinder Engine, 4.4L 8-Cylinder Engine powertrain options. Available drivetrain layouts include Rear-Wheel Drive, All-Wheel Drive paired with Automatic (S8). EPA classified under the Subcompact Cars / Midsize Cars size category.
Certified Powertrain & Transmission Configurations (10)
Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation
| Configuration / Model | Engine & Displacement | Cylinders | Induction / Tech | Transmission | Drivetrain | Fuel System |
|---|---|---|---|---|---|---|
| 840i Coupe Subcompact Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | Rear-Wheel Drive | Premium |
| 840i xDrive Coupe Subcompact Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| 840i Convertible Subcompact Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | Rear-Wheel Drive | Premium |
| 840i xDrive Convertible Subcompact Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| 840i Gran Coupe Midsize Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | Rear-Wheel Drive | Premium |
| 840i xDrive Gran Coupe Midsize Cars | 3L 6-Cylinder Engine | 6 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| M850i xDrive Coupe Subcompact Cars | 4.4L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| M850i xDrive Convertible Subcompact Cars | 4.4L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| M850i xDrive Gran Coupe Midsize Cars | 4.4L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
| Alpina B8 Gran Coupe Midsize Cars | 4.4L 8-Cylinder Engine | 8 | Naturally Aspirated | Automatic (S8) | All-Wheel Drive | Premium |
Regulatory Classification & Safety Architecture
Federal classification standards and standard active driver assistance system capabilities
EPA Regulatory Size Class
- Subcompact Cars
- Midsize Cars
NHTSA NCAP Body Formats
Standard passenger body configuration
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.