Mercedes-Benz S550 vs Porsche 911
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Porsche 911
Overview
| Spec | Mercedes-Benz S550S 550 | Porsche 911Carrera |
|---|---|---|
| Selected trim | S 550 | Carrera |
| Body style | Sedan | Coupe |
| 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 911Carrera |
|---|---|---|
| MSRP | $96,600 (best) | $135,500 |
| Lowest listing price | — | $167,652 (best) |
| Median listing price | — | $205,362 (best) |
| Highest listing price | — | $304,322 (best) |
| For sale now | 0 | 5 (best) |
Fuel economy & range
| Spec | Mercedes-Benz S550S 550 | Porsche 911Carrera |
|---|---|---|
| Combined MPG | 21 MPG | 21 MPG |
| City MPG | 18 MPG | 18 MPG |
| Highway MPG | 26 MPG (best) | 25 MPG |
| Fuel tank | 23 gal (best) | 16.6 gal |
Performance
| Spec | Mercedes-Benz S550S 550 | Porsche 911Carrera |
|---|---|---|
| Horsepower | 449 hp (best) | 388 hp |
| Torque | 516 lb-ft (best) | 331 lb-ft |
| Engine size | 4.7 L (best) | 3 L |
| Cylinders | V8 | flat 6 |
Size & capability
| Spec | Mercedes-Benz S550S 550 | Porsche 911Carrera |
|---|---|---|
| Seating | 5 seats (best) | 2 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 16.3 cu ft (best) | 4.8 cu ft |
| Payload | — | 758 lbs (best) |
| Curb weight | 4,663 lbs | 3,342 lbs (best) |
| Wheelbase | 124.6 in (best) | 96.5 in |
| Length | 206.5 in (best) | 178.8 in |
| Width | — | 72.9 in (best) |
| Height | 58.7 in (best) | 51.3 in |
Safety & recalls
| Spec | Mercedes-Benz S550S 550 | Porsche 911Carrera |
|---|---|---|
| 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 | Mercedes-Benz S550 | Porsche 911 |
|---|---|---|
| 1 | S 550 $96,600 MSRP(Currently comparing) | Carrera $135,500 MSRP(Currently comparing) |
| 2 | S 550 $131,400 MSRP | Carrera $149,400 MSRP |
| 3 | S 550 4MATIC $99,600 MSRP | Carrera T $148,000 MSRP |
| 4 | S 550 4MATIC $122,750 MSRP | Carrera T $161,900 MSRP |
| 5 | AMG S 63 4MATIC $164,750 MSRP | Carrera S $156,200 MSRP |
| 6 | — | Carrera S $170,100 MSRP |
| 7 | — | Carrera 4S $164,500 MSRP |
| 8 | — | Carrera 4S $178,400 MSRP |
| 9 | — | Targa 4S $180,200 MSRP |
| 10 | — | Carrera GTS $181,000 MSRP |
| 11 | — | Carrera GTS $194,900 MSRP |
| 12 | — | Carrera 4 GTS $189,300 MSRP |
| 13 | — | Carrera 4 GTS $203,300 MSRP |
| 14 | — | Targa 4 GTS $203,300 MSRP |
| 15 | — | GT3 $235,800 MSRP |
| 16 | — | GT3 with Touring Package $235,800 MSRP |
| 17 | — | Spirit 70 $254,300 MSRP |
| 18 | — | Turbo S $270,300 MSRP |
| 19 | — | Turbo S $284,300 MSRP |
| 20 | — | GT3 90 F.A. Porsche $387,000 MSRP |
Live inventory
Porsche 9115 for sale
See all- New
2026 Porsche 911
Carrera T
Aventurine Green•Black$167,65210 miPorsche Santa Barbara
Santa Barbara, CA
- New
2026 Porsche 911
GT3
White•Black$304,3228 miPorsche Santa Barbara
Santa Barbara, CA
New2026 Porsche 911
Carrera 4S
Ice Gray•Dark Night Blue$205,3629 miPorsche Santa Barbara
Santa Barbara, CA
- New
2026 Porsche 911
Carrera GTS
White•Dark Night Blue$199,1228 miPorsche Santa Barbara
Santa Barbara, CA
- New
2026 Porsche 911
Turbo S
Vanadium Gray$288,4025 miPorsche Santa Barbara
Santa Barbara, CA