With 11 distinct models in the 2026 BMW 8 Series family, choosing the right configuration begins with selecting your ideal powertrain. The lineup is divided into three distinct performance tiers, offering everything from refined daily drivability to track-dominating power. Sharpe BMW provides this technical breakdown to help West Michigan drivers evaluate the engineering differences across the 840i, M850i, and M8 Competition models.
The entry point is the 840i, equipped with a highly efficient 3.0-liter inline-6 engine producing 335 horsepower. This model is available in both rear-wheel drive and xDrive all-wheel drive. Stepping up to the M850i xDrive introduces a 4.4-liter V8 engine generating 523 horsepower. At the absolute pinnacle sits the M8 Competition, which utilizes an M-tuned 4.4-liter V8 to unleash a staggering 617 horsepower.
| Performance Tier | Engine Configuration | Horsepower | 0-60 MPH Acceleration |
|---|---|---|---|
| 840i / 840i xDrive | 3.0L Inline-6 TwinPower Turbo | 335 hp | 4.4 seconds (xDrive) |
| M850i xDrive | 4.4L V8 TwinPower Turbo | 523 hp | 3.5 seconds |
| M8 Competition | 4.4L V8 M TwinPower Turbo | 617 hp | 3.0 seconds |
For drivers prioritizing year-round stability on snow-covered roads like US-131, models equipped with the BMW xDrive system are essential. The intelligent all-wheel-drive system is available on the 840i and comes standard on both the M850i and the M8 Competition. The M8 Competition further enhances traction with the M xDrive system, allowing drivers to select a rear-wheel-drive mode for traditional rear-wheel performance dynamics during dry summer months.
Experience these distinct performance profiles firsthand. Browse our new BMW 8 Series inventory, learn more about our facility on our Why Buy from Sharpe BMW page, or return to our comprehensive 2026 BMW 8 Series Model Review for an overarching look at the lineup.