BMW i8 vs Mercedes-Benz S550
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2017 Mercedes-Benz S550
Overview
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| Selected trim | Base | S 550 |
| Body style | Coupe | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 6-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | plug-in hybrid | gas |
| Model year | 2020 | 2017 |
Pricing & market
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| MSRP | $147,500 | $96,600 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| Combined MPG | 27 MPG (best) | 21 MPG |
| City MPG | 26 MPG (best) | 18 MPG |
| Highway MPG | 29 MPG (best) | 26 MPG |
| Combined MPGe | 69 MPGe (best) | — |
| Electric range | 18 mi (best) | — |
| 240V charge time | 3 hr (best) | — |
| Fuel tank | 11.1 gal | 23 gal (best) |
Performance
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| Horsepower | 369 hp | 449 hp (best) |
| Torque | 420 lb-ft | 516 lb-ft (best) |
| Engine size | 1.5 L | 4.7 L (best) |
| Cylinders | I3 | V8 |
Size & capability
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| Seating | 4 seats | 5 seats (best) |
| Doors | 2 | 4 (best) |
| Cargo volume | 4.7 cu ft | 16.3 cu ft (best) |
| Payload | 620 lbs (best) | — |
| Curb weight | 3,501 lbs (best) | 4,663 lbs |
| Ground clearance | 4.6 in (best) | — |
| Wheelbase | 110.2 in | 124.6 in (best) |
| Length | 184.9 in | 206.5 in (best) |
| Width | 76.5 in (best) | — |
| Height | 50.8 in | 58.7 in (best) |
Safety & recalls
| Spec | BMW i8Base | Mercedes-Benz S550S 550 |
|---|---|---|
| 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 i8 | Mercedes-Benz S550 |
|---|---|---|
| 1 | Base $147,500 MSRP(Currently comparing) | S 550 $96,600 MSRP(Currently comparing) |
| 2 | Base $163,300 MSRP | S 550 $131,400 MSRP |
| 3 | — | S 550 4MATIC $99,600 MSRP |
| 4 | — | S 550 4MATIC $122,750 MSRP |
| 5 | — | AMG S 63 4MATIC $164,750 MSRP |