The 2023 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.
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 |
Federal classification standards and standard active driver assistance system capabilities
Subcompact Cars, Midsize Cars
2023 BMW 8 Series Convertible C AWD, 2023 BMW 8 Series Coupe 2 DR AWD, 2023 BMW 8 Series Gran Coupe 4 DR AWD, 2023 BMW 8 Series Convertible C RWD, 2023 BMW 8 Series Coupe 2 DR RWD, 2023 BMW 8 Series Gran Coupe 4 DR RWD
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 2023 BMW 8 Series
The 2023 BMW 8 Series is certified with 3L and 4.4L 6-Cylinder / 8-Cylinder engine options across factory configurations.
Certified specifications reflect official EPA emissions and fuel economy filings under 40 CFR Part 600.
Yes. The 2023 BMW 8 Series is available with Rear-Wheel Drive and All-Wheel Drive configurations depending on trim package.
Drivetrain layout affects vehicle curb weight, traction capabilities, and EPA-certified fuel economy ratings.
Factory certification records list Automatic (S8) transmission architectures for the 2023 BMW 8 Series.
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.