2025 Porsche Cayenne vs 2026 Mercedes-Benz Amg Gt

$84,700 · Crossover

$102,100 · Wagon

Comparison Overview

Torn between German luxury SUVs? That $17,400 gap between the 2025 Porsche Cayenne and the 2026 Mercedes-Benz AMG GT is a big one, and your decision hinges on priorities. The Cayenne starts at $84,700 with 348 hp, offering a practical 27.3 cubic feet of cargo space and a reasonable 19 MPG combined. Conversely, the longer 2026 AMG GT, priced at $102,100, boasts slightly more power at 362 hp and a marginally better 21 MPG combined, though its utility suffers with only 16.1 cubic feet of cargo area. While both require premium fuel and offer AWD, the Cayenne prioritizes usable space and lower initial cost, whereas the AMG GT aims for a slightly sportier, wagon-like feel despite sacrificing significant hauling capacity for the daily grind. Choosing means balancing immediate savings and utility against premium performance margins.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche Cayenne

The 2025 Porsche Cayenne wins for commuters due to its superior combined fuel economy of 19 MPG versus the AMG GT's 21 MPG, making frequent driving less expensive.

👨‍👩‍👧‍👦 Best for Families

2025 Porsche Cayenne

With 27.3 cu ft of cargo space compared to the AMG GT's 16.1 cu ft, the Cayenne easily accommodates family gear and groceries.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz Amg Gt

The 2026 Mercedes-Benz AMG GT edges out the win by offering marginally higher output with 362 hp and a more engaging 9-speed automatic transmission.

💰 Best Value

2025 Porsche Cayenne

The 2025 Porsche Cayenne is the better value, saving you $17,400 upfront while providing more horsepower than many mainstream SUVs.

Choose the Porsche Cayenne if...

You need maximum utility, as the Cayenne offers 27.3 cu ft of cargo capacity.
You are sensitive to the initial outlay and want to save $17,400 on the sticker price.
Your driving mix includes more city miles, where the overall size difference might feel more manageable.

Choose the Mercedes-Benz Amg Gt if...

You appreciate the slightly increased power figures, delivering 362 hp from the AMG GT.
You prefer the slightly lower profile and length, opting for the wagon body style over a traditional crossover look.
You prioritize the 9-speed automatic transmission over the Cayenne's 8-speed unit.

Key Dimensions

Dimension	Porsche Cayenne	Mercedes-Benz Amg Gt
Length	194.1"	199.0"
Width	78.1"	76.9"
Height	66.9"	57.3"
Wheelbase	114.0"	116.2"

Features Comparison

Safety

Feature	Porsche	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	✓
Daytime Running Lights	✓	✓
Cornering Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Multi-Adjustable Headrests	✓	—
Rear Headrests	3	2
Rear Multi-Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Front Power Adjustable Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Porsche	Mercedes-Benz
Base Engine Displacement	3.0 L	3.0 L
Number of Cylinders	V6	inline 6
Base Engine Type	gas	mild hybrid
Horsepower	348 hp @ 5400 rpm	362 hp @ 5500 rpm
Torque	368 lb-ft @ 1450 rpm	369 lb-ft @ 1800 rpm
Number of Valves	24	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Porsche	Mercedes-Benz
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
Center Differential Type	Limited Slip	—
Hill Descent Control	✓	—
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Porsche	Mercedes-Benz
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	17/23 MPG	19/24 MPG
EPA Fuel Economy (Combined)	19 MPG	21 MPG
EPA Driving Range (City/Highway)	402.9/545.1 mi.	400.9/506.4 mi.
Fuel Tank Capacity	23.7 gal.	21.1 gal.

Comfort & Convenience

Feature	Porsche	Mercedes-Benz
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Automatic Parking Assist	✓	✓
Wireless Charging Pad	✓	✓
Cruise Control	✓	✓
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cooled Storage Compartment	✓	—
Cruise Control on Steering Wheel	—	✓
Sun Sensor	—	✓

In Car Entertainment

Feature	Porsche	Mercedes-Benz
Infotainment Display	12.3 in	12.3 in
AM/FM Stereo	✓	✓
Stereo Power	150W	640W
Speaker System	10	14
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Premium Brand Stereo System	—	Burmester
Premium Speaker Brand	—	Burmester
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Porsche	Mercedes-Benz
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass

Frontseats

Feature	Porsche	Mercedes-Benz
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Memory Settings	3	3
Passenger Seat Power Adjustments	8-way	10-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Head Room	—	40.8 in.
Front Leg Room	—	41.7 in.
Front Shoulder Room	—	57.8 in.
Seat Material: Leatherette/Sueded Microfiber	—	✓
Driver Seat Lumbar Support	—	Power
Driver Seat Thigh Extension	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	Porsche	Mercedes-Benz
Split-Folding Rear Seatback	✓	—
Reclining Rear Seats	✓	—
Folding Center Armrest	✓	—
Rear Head Room	—	38.2 in.
Rear Shoulder Room	—	57.2 in.

Tires and Wheels

Feature	Porsche	Mercedes-Benz
Wheel Material	Alloy	Alloy
Wheel Size	20 x 10.5 in.	19 x 11.0 in.
Tire Type	All Season	Performance
Tire Size	295/45R20	285/40R19
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—

Suspension

Feature	Porsche	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Porsche	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Porsche Cayenne and 2026 Mercedes-Benz Amg Gt.

How significant is the difference in fuel economy between these two vehicles?

The 2026 Mercedes-Benz AMG GT is slightly more efficient, achieving a combined 21 MPG compared to the 2025 Porsche Cayenne's 19 MPG. Both vehicles require the higher cost of premium unleaded fuel.

Will the smaller cargo area of the AMG GT affect everyday usability?

Yes, significantly. The Cayenne provides 27.3 cubic feet of cargo space, while the AMG GT only offers 16.1 cubic feet. This nearly 11 cubic foot difference means the Cayenne is far better suited for large shopping trips or hauling sports equipment.

Is the $17,400 price difference justified by the performance upgrades in the AMG GT?

The AMG GT costs $17,400 more, offering only 14 more horsepower (362 hp vs. 348 hp) and slightly better MPG. For most drivers, this difference is difficult to justify based purely on performance gains.

Do both vehicles handle adverse weather conditions equally well?

Both come standard with All-Wheel Drive (AWD), suggesting competence in poor weather. However, the Cayenne’s taller stance (Height: 66.9 inches) might offer marginally better ground clearance than the lower-slung AMG GT wagon (Height: 57.3 inches).

Which car is technically larger overall?

The 2026 Mercedes-Benz AMG GT is longer at 199.0 inches compared to the Cayenne’s 194.1 inches. Interestingly, the Cayenne is wider and significantly taller than the AMG GT.

Are there any transmission differences that matter for driving feel?

The AMG GT utilizes a 9-speed shiftable automatic transmission, which often implies smoother or quicker shifts than the Cayenne’s 8-speed unit, aligning with its enthusiast focus.