Mercedes-Benz GLS550 vs Porsche Cayenne
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Porsche Cayenne
Overview
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| Selected trim | GLS 550 4MATIC | Base |
| Body style | SUV | SUV |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2019 | 2026 |
Pricing & market
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| MSRP | $95,750 | $89,900 (best) |
| Lowest listing price | — | $99,762 (best) |
| Median listing price | — | $115,212 (best) |
| Highest listing price | — | $134,462 (best) |
| For sale now | 0 | 5 (best) |
Fuel economy & range
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| Combined MPG | 16 MPG | 19 MPG (best) |
| City MPG | 14 MPG | 17 MPG (best) |
| Highway MPG | 19 MPG | 23 MPG (best) |
| Fuel tank | 26.4 gal (best) | 23.7 gal |
Performance
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| Horsepower | 449 hp (best) | 348 hp |
| Torque | 516 lb-ft (best) | 368 lb-ft |
| Engine size | 4.7 L (best) | 3 L |
| Cylinders | V8 | V6 |
Size & capability
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| Seating | 7 seats (best) | 5 seats |
| Doors | 5 (best) | 4 |
| Cargo volume | 93.8 cu ft (best) | 60.3 cu ft |
| Towing capacity | 7,500 lbs | 7,716 lbs (best) |
| Payload | — | 1,572 lbs (best) |
| Curb weight | 5,578 lbs | 4,678 lbs (best) |
| Wheelbase | 121.1 in (best) | 114 in |
| Length | 202 in (best) | 194.1 in |
| Width | 78 in | 78.1 in (best) |
| Height | 72.8 in (best) | 66.9 in |
Safety & recalls
| Spec | Mercedes-Benz GLS550GLS 550 4MATIC | Porsche CayenneBase |
|---|---|---|
| Open recalls (YMM scope) | None reported (best) | 1 |
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 GLS550 | Porsche Cayenne |
|---|---|---|
| 1 | GLS 550 4MATIC $95,750 MSRP(Currently comparing) | Base $89,900 MSRP(Currently comparing) |
| 2 | — | Coupe $95,100 MSRP |
| 3 | — | E-Hybrid $103,100 MSRP |
| 4 | — | E-Hybrid Coupe $107,300 MSRP |
| 5 | — | S $108,300 MSRP |
| 6 | — | Electric $109,000 MSRP |
| 7 | — | S E-Hybrid $111,600 MSRP |
| 8 | — | Electric $113,800 MSRP |
| 9 | — | S Coupe $114,900 MSRP |
| 10 | — | S E-Hybrid Coupe $117,100 MSRP |
| 11 | — | S Electric $126,300 MSRP |
| 12 | — | S Electric $131,200 MSRP |
| 13 | — | GTS $132,400 MSRP |
| 14 | — | GTS Coupe $137,100 MSRP |
| 15 | — | Turbo Electric $163,000 MSRP |
| 16 | — | Turbo Electric $168,000 MSRP |
| 17 | — | Turbo E-Hybrid $164,500 MSRP |
| 18 | — | Turbo E-Hybrid Coupe $169,100 MSRP |
| 19 | — | Turbo GT Coupe $214,800 MSRP |
Live inventory
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