2025 Porsche Cayenne Coupe vs 2026 Mercedes-Benz Amg Gt

$89,800 · Crossover

$102,100 · Wagon

Comparison Overview

The 2025 Porsche Cayenne Coupe bursts onto the scene defined by aggressive SUV dynamics, delivering a potent 348 hp and 368 lb-ft of torque from its AWD platform, wrapped in a taut 194.0-inch frame. Contrasting this sporty utility is the 2026 Mercedes-Benz AMG GT, a rare blend of speed and wagon utility, boasting a slightly higher 362 hp and 369 lb-ft, managed by a smoother 9-speed automatic. While the Porsche demands a starting price of $89,800, the AMG GT commands a premium at $102,100. Performance metrics are closely matched, with the Mercedes offering a slight edge in efficiency (21 combined MPG vs. 19 MPG). However, the Cayenne provides significantly more utility with 20.9 cubic feet of cargo space compared to the AMG GT's 16.1 cubic feet, showcasing a classic trade-off between raw sporting intent and practical application.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz Amg Gt

The 2026 Mercedes-Benz AMG GT achieves slightly better fuel economy at 21 combined MPG, making the daily drive marginally cheaper.

👨‍👩‍👧‍👦 Best for Families

2025 Porsche Cayenne Coupe

The 2025 Porsche Cayenne Coupe wins for families due to its substantial 20.9 cubic feet of cargo capacity, beating the AMG GT's 16.1 cubic feet.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz Amg Gt

The 2026 Mercedes-Benz AMG GT offers superior drivetrain refinement with its 9-speed automatic and a slight horsepower advantage (362 hp vs. 348 hp).

💰 Best Value

2025 Porsche Cayenne Coupe

The 2025 Porsche Cayenne Coupe offers better overall utility and comparable power for $12,300 less than the AMG GT.

Choose the Porsche Cayenne Coupe if...

You need maximum practicality, as the Cayenne Coupe offers 20.9 cu ft of cargo space versus 16.1 cu ft.
You want comparable AWD performance without paying the $102,100 entry point of the AMG GT.
Your driving involves frequent city excursions where the slightly smaller 194.0-inch length might prove beneficial.

Choose the Mercedes-Benz Amg Gt if...

You prioritize a slightly more powerful output, boasting 362 horsepower and 369 lb-ft of torque.
You appreciate the refinement of a 9-speed shiftable automatic transmission over the Cayenne's 8-speed unit.
A slight bump in fuel efficiency is important, as the AMG GT achieves 21 combined MPG compared to the Cayenne's 19.

Key Dimensions

Dimension	Porsche Cayenne Coupe	Mercedes-Benz Amg Gt
Length	194.0"	199.0"
Width	78.1"	76.9"
Height	66.1"	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 Integrated Headrests	✓	—
Rear Headrests	2	2
Rear Height Adjustable Headrests	✓	—
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
AM/FM Stereo	✓	✓
Stereo Power	150W	640W
Speaker System	10	14
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Infotainment Display	—	12.3 in
Premium Brand Stereo System	—	Burmester
Premium Speaker Brand	—	Burmester
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
USB Port with External Media Control	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	Porsche	Mercedes-Benz
Seat Material: Leather	✓	—
Front Seat Type: Sport	✓	—
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	—	✓
Front Seat Type: Bucket	—	✓
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	✓	—
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.
EV Battery Warranty	8 yr./ 100000 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 Coupe and 2026 Mercedes-Benz Amg Gt.

What is the main difference in size between the two vehicles?

The 2026 Mercedes-Benz AMG GT is substantially longer at 199.0 inches compared to the 2025 Porsche Cayenne Coupe's 194.0 inches, although the Cayenne is notably taller at 66.1 inches versus the AMG GT's low 57.3 inches.

Which vehicle offers better space for luggage and gear?

The 2025 Porsche Cayenne Coupe is the clear winner for cargo capacity, providing 20.9 cubic feet behind the rear seats, significantly eclipsing the 2026 Mercedes-Benz AMG GT's 16.1 cubic feet.

How does the cost of entry compare for these two premium models?

There is a substantial $12,300 price gap; the 2025 Porsche Cayenne Coupe starts at $89,800 MSRP, while the 2026 Mercedes-Benz AMG GT is listed at $102,100 MSRP.

Are both cars as thirsty for fuel?

Both require premium unleaded fuel, but the AMG GT offers slightly better efficiency with 21 combined MPG (19 city/24 highway) than the Cayenne Coupe's 19 combined MPG (17 city/23 highway).

Does the AMG GT's wagon body style affect its driving dynamics compared to the Coupe?

Yes, the AMG GT’s lower height (57.3 inches vs. 66.1 inches) suggests a lower center of gravity, typically favoring pure handling dynamics over the Cayenne Coupe's commanding crossover stance.

How do the power outputs compare between the two AWD vehicles?

The AMG GT holds a marginal performance lead with 362 horsepower and 369 lb-ft of torque, slightly edging out the Cayenne Coupe's 348 hp and 368 lb-ft.