BMW Alpina B8 Gran Coupe vs Mercedes-Benz S63 AMG E Performance
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz S63 AMG E Performance
Overview
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| Selected trim | ALPINA B8 Gran Coupe Sedan | AMG S 63 E PERFORMANCE |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | plug-in hybrid |
| Model year | 2025 | 2026 |
Pricing & market
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| MSRP | $151,500 (best) | $189,800 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| Combined MPG | 19 MPG (best) | 18 MPG |
| City MPG | 17 MPG (best) | 15 MPG |
| Highway MPG | 24 MPG (best) | 23 MPG |
| Combined MPGe | — | 49 MPGe (best) |
| Electric range | — | 16 mi (best) |
| 240V charge time | — | 2.8 hr (best) |
| Fuel tank | 18 gal | 20.1 gal (best) |
Performance
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| Horsepower | 612 hp | 791 hp (best) |
| Torque | 590 lb-ft | 1055 lb-ft (best) |
| Engine size | 4.4 L (best) | 4 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 15.5 cu ft (best) | 10.7 cu ft |
| Payload | 869 lbs (best) | — |
| Curb weight | 4,831 lbs (best) | 5,831 lbs |
| Ground clearance | 5.3 in (best) | 5.1 in |
| Wheelbase | 119 in | 126.6 in (best) |
| Length | 200.5 in | 210.1 in (best) |
| Width | 76.1 in (best) | 75.6 in |
| Height | 56 in | 59.2 in (best) |
Safety & recalls
| Spec | BMW Alpina B8 Gran CoupeALPINA B8 Gran Coupe Sedan | Mercedes-Benz S63 AMG E PerformanceAMG S 63 E PERFORMANCE |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | BMW Alpina B8 Gran Coupe | Mercedes-Benz S63 AMG E Performance |
|---|---|---|
| 1 | ALPINA B8 Gran Coupe Sedan $151,500 MSRP(Currently comparing) | AMG S 63 E PERFORMANCE $189,800 MSRP(Currently comparing) |