BMW M5 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 M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| Selected trim | Sedan | S 550 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | plug-in hybrid | gas |
| Model year | 2027 | 2017 |
Pricing & market
| Spec | BMW M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| MSRP | $123,300 | $96,600 (best) |
| Lowest listing price | $137,972 (best) | — |
| Median listing price | $143,660 (best) | — |
| Highest listing price | $149,347 (best) | — |
| For sale now | 2 (best) | 0 |
Fuel economy & range
| Spec | BMW M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| Combined MPG | 14 MPG | 21 MPG (best) |
| City MPG | 12 MPG | 18 MPG (best) |
| Highway MPG | 19 MPG | 26 MPG (best) |
| Combined MPGe | 47 MPGe (best) | — |
| Electric range | 29 mi (best) | — |
| 240V charge time | 2 hr (best) | — |
| Fuel tank | 15.9 gal | 23 gal (best) |
Performance
| Spec | BMW M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| Horsepower | 717 hp (best) | 449 hp |
| Torque | 738 lb-ft (best) | 516 lb-ft |
| Engine size | 4.4 L | 4.7 L (best) |
| Cylinders | V8 | V8 |
Size & capability
| Spec | BMW M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 16.5 cu ft (best) | 16.3 cu ft |
| Payload | 1,003 lbs (best) | — |
| Curb weight | 5,390 lbs | 4,663 lbs (best) |
| Ground clearance | 5 in (best) | — |
| Wheelbase | 118.3 in | 124.6 in (best) |
| Length | 200.6 in | 206.5 in (best) |
| Width | 77.6 in (best) | — |
| Height | 59.4 in (best) | 58.7 in |
Safety & recalls
| Spec | BMW M5Sedan | Mercedes-Benz S550S 550 |
|---|---|---|
| Open recalls (YMM scope) | None reported (best) | 10 |
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 M5 | Mercedes-Benz S550 |
|---|---|---|
| 1 | Sedan $123,300 MSRP(Currently comparing) | S 550 $96,600 MSRP(Currently comparing) |
| 2 | — | 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 |
Live inventory
BMW M5 vs Mercedes-Benz S550 FAQ
- Which is better: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- It depends on priorities. OpenDealer compares 2027 BMW M5 vs 2017 Mercedes-Benz S550 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- Based on starting MSRP, the 2017 Mercedes-Benz S550 starts lower at $96,600. Live BMW M5 listings start at $137,972.
- Which has better startingMsrp: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- The 2017 Mercedes-Benz S550 leads on startingMsrp in this comparison (96,600).
- Which has better combinedMpg: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- The 2017 Mercedes-Benz S550 leads on combinedMpg in this comparison (21).
- Which has better electricRangeMi: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- The 2027 BMW M5 leads on electricRangeMi in this comparison (29).
- Which has better horsepower: 2027 BMW M5 or 2017 Mercedes-Benz S550?
- The 2027 BMW M5 leads on horsepower in this comparison (717).