Mercedes-Benz S550 vs Porsche Panamera
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Porsche Panamera
Overview
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| Selected trim | S 550 | 4dr Sedan (2.9L 6cyl Turbo 8AM) |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed shiftable automatic | 8-speed automated manual |
| Engine type | gas | gas |
| Model year | 2017 | 2026 |
Pricing & market
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| MSRP | $96,600 (best) | $113,000 |
| Lowest listing price | — | $133,132 (best) |
| Median listing price | — | $133,332 (best) |
| Highest listing price | — | $133,532 (best) |
| For sale now | 0 | 2 (best) |
Fuel economy & range
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| Combined MPG | 21 MPG | 21 MPG |
| City MPG | 18 MPG | 18 MPG |
| Highway MPG | 26 MPG (best) | 25 MPG |
| Fuel tank | 23 gal | 23.7 gal (best) |
Performance
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| Horsepower | 449 hp (best) | 348 hp |
| Torque | 516 lb-ft (best) | 368 lb-ft |
| Engine size | 4.7 L (best) | 2.9 L |
| Cylinders | V8 | V6 |
Size & capability
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| Seating | 5 seats (best) | 4 seats |
| Doors | 4 | 4 |
| Cargo volume | 16.3 cu ft | 46.9 cu ft (best) |
| Payload | — | 1,228 lbs (best) |
| Curb weight | 4,663 lbs | 4,295 lbs (best) |
| Wheelbase | 124.6 in (best) | 116.1 in |
| Length | 206.5 in (best) | 198.9 in |
| Width | — | 76.3 in (best) |
| Height | 58.7 in (best) | 56 in |
Safety & recalls
| Spec | Mercedes-Benz S550S 550 | Porsche Panamera4dr Sedan (2.9L 6cyl Turbo 8AM) |
|---|---|---|
| Open recalls (YMM scope) | None reported (best) | 2 |
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 | Mercedes-Benz S550 | Porsche Panamera |
|---|---|---|
| 1 | S 550 $96,600 MSRP(Currently comparing) | 4dr Sedan (2.9L 6cyl Turbo 8AM) $113,000 MSRP(Currently comparing) |
| 2 | S 550 $131,400 MSRP | 4 $120,400 MSRP |
| 3 | S 550 4MATIC $99,600 MSRP | 4 E-Hybrid $127,200 MSRP |
| 4 | S 550 4MATIC $122,750 MSRP | 4S E-Hybrid $139,100 MSRP |
| 5 | AMG S 63 4MATIC $164,750 MSRP | GTS $166,900 MSRP |
| 6 | — | Turbo E-Hybrid $207,900 MSRP |
| 7 | — | Turbo S E-Hybrid $245,200 MSRP |
