2025 Mercedes-Benz Amg Gt vs 2025 Porsche Cayenne Coupe

$101,100 · Wagon

$89,800 · Crossover

Comparison Overview

Trying to decide between a sophisticated European performance wagon (Car 1) and a sportier coupe-style crossover (Car 2) often comes down to balancing practical volume against outright power and heritage. The 2025 Mercedes-AMG GT Wagon starts at a higher MSRP of $101,100 compared to the Porsche Cayenne Coupe's $89,800, creating an immediate $11,300 gap. However, the AMG GT leads in output, delivering 362 hp versus the Cayenne Coupe's 348 hp, although torque figures are nearly identical at 369 lb-ft versus 368 lb-ft. For efficiency, the AMG GT holds a slight edge with 21 combined MPG versus the Cayenne Coupe's 19 combined MPG. Despite its lower profile (57.3 inches high vs 66.1 inches high), the AMG GT offers a smaller 16.1 cu ft cargo area compared to the Cayenne Coupe's 20.9 cu ft, presenting a clear trade-off for city maneuverability versus luggage space.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz Amg Gt

The 2025 Mercedes-AMG GT provides slightly better fuel economy, achieving 21 combined MPG compared to the Cayenne Coupe's 19 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Porsche Cayenne Coupe

The Porsche Cayenne Coupe offers significantly more usable space with 20.9 cu ft of cargo capacity against the AMG GT's 16.1 cu ft.

🏎️ Best for Enthusiasts

2025 Mercedes-Benz Amg Gt

The 2025 Mercedes-AMG GT boasts a higher output with 362 horsepower versus the 348 horsepower offered by the Cayenne Coupe.

💰 Best Value

2025 Porsche Cayenne Coupe

The 2025 Porsche Cayenne Coupe is the superior value proposition, coming in $11,300 less expensive than the AMG GT while still offering competitive performance metrics.

Choose the Mercedes-Benz Amg Gt if...

You prioritize the higher horsepower rating of 362 hp in your daily drive.
You prefer the lower overall profile and height of 57.3 inches for a more car-like feel.
You need the marginally better fuel economy, netting 24 highway MPG compared to Car 2's 23 MPG.

Choose the Porsche Cayenne Coupe if...

Your budget is tighter, as Car 2 saves you $11,300 off the initial MSRP.
Maximum hauling capability is key, given its 20.9 cu ft of cargo space versus Car 1's 16.1 cu ft.
You prefer a taller stance, as the Cayenne Coupe stands 66.1 inches high, offering better road presence.

Key Dimensions

Dimension	Mercedes-Benz Amg Gt	Porsche Cayenne Coupe
Length	199.0"	194.0"
Width	76.9"	78.1"
Height	57.3"	66.1"
Wheelbase	116.2"	114.0"

Features Comparison

Safety

Feature	Mercedes-Benz	Porsche
Blind Spot Monitor	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front 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
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	2	2
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Lane Keeping Assist System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Cornering Lights	—	✓
Front Integrated Headrests	—	✓
Rear Height Adjustable Headrests	—	✓

Engine

Feature	Mercedes-Benz	Porsche
Base Engine Displacement	3.0 L	3.0 L
Number of Cylinders	inline 6	V6
Base Engine Type	mild hybrid	gas
Horsepower	362 hp @ 5500 rpm	348 hp @ 5400 rpm
Torque	369 lb-ft @ 1800 rpm	368 lb-ft @ 1450 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	Mercedes-Benz	Porsche
Transmission Type	9-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Center Differential Type	—	Limited Slip
Hill Descent Control	—	✓

Fuel

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

Comfort & Convenience

Feature	Mercedes-Benz	Porsche
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control 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	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cooled Storage Compartment	—	✓

In Car Entertainment

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

Power Feature

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

Frontseats

Feature	Mercedes-Benz	Porsche
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 Power Adjustments	10-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	—
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	3	3
Passenger Seat Power Adjustments	10-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	3	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leather	—	✓
Front Seat Type: Sport	—	✓

Rearseats

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

Tires and Wheels

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

Suspension

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

Warranty

Feature	Mercedes-Benz	Porsche
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	6 yr./ 62000 mi.	—
Corrosion/Rust Warranty	4 yr./ 50000 mi.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 50000 mi.
EV Battery Warranty	—	8 yr./ 100000 mi.

Frequently Asked Questions

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

Which vehicle is easier to parallel park in tight city spaces?

The 2025 Mercedes-AMG GT is likely easier due to its significantly shorter length of 199.0 inches compared to the Cayenne Coupe's 194.0 inches, although the Cayenne is wider at 78.1 inches.

Is the extra cost of the Mercedes-AMG GT justified by its performance upgrades?

The AMG GT costs $11,300 more and offers 14 more horsepower (362 hp vs 348 hp). Whether that marginal power increase justifies the price hike depends on how much you value that specific boost in performance pedigree.

Do both models require premium fuel, and how does consumption compare?

Yes, both the 2025 Mercedes-AMG GT and the 2025 Porsche Cayenne Coupe require premium unleaded fuel. The AMG GT is slightly more efficient with 21 combined MPG versus the Cayenne Coupe's 19 combined MPG.

Which vehicle offers a better automatic transmission setup?

The Mercedes-AMG GT comes equipped with a 9-speed shiftable automatic transmission, while the Porsche Cayenne Coupe utilizes an 8-speed automatic; the AMG GT offers one extra gear ratio.

If I frequently travel on the highway, which car maintains better efficiency?

The 2025 Mercedes-AMG GT achieves 24 MPG on the highway, slightly edging out the Cayenne Coupe's 23 MPG highway rating.

How does the cargo capacity differ between this wagon and this crossover?

Despite being classified as a wagon, the AMG GT has significantly less cargo space at 16.1 cu ft; the taller Cayenne Coupe crossover offers a much larger 20.9 cu ft behind the rear seats.