Mercedes-Benz ML55 AMG 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 ML55 AMGML55 AMG | Porsche CayenneBase |
|---|---|---|
| Selected trim | ML55 AMG | Base |
| Body style | SUV | SUV |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 5-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2003 | 2026 |
Pricing & market
| Spec | Mercedes-Benz ML55 AMGML55 AMG | Porsche CayenneBase |
|---|---|---|
| MSRP | $65,900 (best) | $89,900 |
| Lowest listing price | — | $23,421 (best) |
| Median listing price | — | $105,879 (best) |
| Highest listing price | — | $154,522 (best) |
| For sale now | 0 | 46 (best) |
Fuel economy & range
| Spec | Mercedes-Benz ML55 AMGML55 AMG | Porsche CayenneBase |
|---|---|---|
| Combined MPG | 14 MPG | 19 MPG (best) |
| City MPG | 13 MPG | 17 MPG (best) |
| Highway MPG | 17 MPG | 23 MPG (best) |
| Fuel tank | 24.5 gal (best) | 23.7 gal |
Performance
| Spec | Mercedes-Benz ML55 AMGML55 AMG | Porsche CayenneBase |
|---|---|---|
| Horsepower | 342 hp | 348 hp (best) |
| Torque | 376 lb-ft (best) | 368 lb-ft |
| Engine size | 5.5 L (best) | 3 L |
| Cylinders | V8 | V6 |
Size & capability
| Spec | Mercedes-Benz ML55 AMGML55 AMG | Porsche CayenneBase |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 5 (best) | 4 |
| Cargo volume | 71 cu ft (best) | 60.3 cu ft |
| Towing capacity | 5,000 lbs | 7,716 lbs (best) |
| Payload | 1,422 lbs | 1,572 lbs (best) |
| Curb weight | 5,072 lbs | 4,678 lbs (best) |
| Ground clearance | 8.4 in (best) | — |
| Wheelbase | 111 in | 114 in (best) |
| Length | 182.5 in | 194.1 in (best) |
| Width | 74.6 in | 78.1 in (best) |
| Height | 71.1 in (best) | 66.9 in |
Safety & recalls
| Spec | Mercedes-Benz ML55 AMGML55 AMG | 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 ML55 AMG | Porsche Cayenne |
|---|---|---|
| 1 | ML55 AMG $65,900 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
Porsche Cayenne46 for sale
See all
Used2019 Porsche Cayenne
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Biscay Blue Metallic•Slate Grey120,620 mi$23,421Drive Appeal
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Used2019 Porsche Cayenne
Base
Carrara White Metallic•Black85,032 mi$23,663Gulliver Auto Group
Plano, TX
Used2022 Porsche Cayenne
S Platinum Edition
White•Truffle Brown52,307 mi$56,907Velocity Autohaus
Hasbrouck Heights, NJ
Used2021 Porsche Cayenne
S
Black61,780 mi$42,689Land Rover Ocala
Ocala, FL
Certified2026 Porsche Cayenne
S
Montego Blue Metallic•Black3,621 mi$127,561Porsche Oklahoma City
Oklahoma City, OK
Certified2025 Porsche Cayenne
S
Carrara White Metallic•Black/Blackberry10,544 mi$118,578Porsche Oklahoma City
Oklahoma City, OK
Mercedes-Benz ML55 AMG vs Porsche Cayenne FAQ
- Which is better: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- It depends on priorities. OpenDealer compares 2003 Mercedes-Benz ML55 AMG vs 2026 Porsche Cayenne on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- Based on starting MSRP, the 2003 Mercedes-Benz ML55 AMG starts lower at $65,900. Live Porsche Cayenne listings start at $23,421.
- Which has better startingMsrp: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- The 2003 Mercedes-Benz ML55 AMG leads on startingMsrp in this comparison (65,900).
- Which has better combinedMpg: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- The 2026 Porsche Cayenne leads on combinedMpg in this comparison (22).
- Which has better electricRangeMi: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- The 2026 Porsche Cayenne leads on electricRangeMi in this comparison (29).
- Which has better horsepower: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- The 2026 Porsche Cayenne leads on horsepower in this comparison (1,139).
- Which has better maxTowingLbs: 2003 Mercedes-Benz ML55 AMG or 2026 Porsche Cayenne?
- The 2026 Porsche Cayenne leads on maxTowingLbs in this comparison (7,716).