2025 Porsche Cayenne Coupe vs 2026 INFINITI QX80

$89,800 · Crossover

$83,750 · SUV

Comparison Overview

The 2025 Porsche Cayenne Coupe unleashes razor-sharp handling prowess, boasting 348 hp and a precise 8-speed automatic transmission wrapped in a taut, performance-oriented package starting at $89,800. Contrastingly, the massive 2026 INFINITI QX80 delivers a monumental surge of power with 450 hp and 516 lb-ft of torque, making it an imposing, high-capacity statement piece for $83,750. While the Porsche leans into athletic agility, the QX80 emphasizes sheer muscle, offering 22 cu ft of cargo space against the Cayenne Coupe's 20.9 cu ft. Fuel efficiency is closely matched, with the Porsche edging out slightly at 19 combined MPG versus the INFINITI's 18 combined MPG, despite requiring premium fuel. The QX80’s substantial physical presence—being 17.2 inches longer and 8.2 inches taller than the Cayenne—defines its usability versus the Porsche’s focus on the driver engagement.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche Cayenne Coupe

The smaller dimensions and slightly better city MPG of 17/23 make the Cayenne Coupe more manageable for daily urban navigation.

👨‍👩‍👧‍👦 Best for Families

2026 INFINITI QX80

The 2026 INFINITI QX80 offers superior passenger and cargo capacity due to its larger 211.2-inch length and 76.6-inch height.

🏎️ Best for Enthusiasts

2025 Porsche Cayenne Coupe

The Porsche badge signifies superior driving dynamics and a highly engaging ride feel, despite having 102 fewer horsepower than the QX80.

💰 Best Value

2026 INFINITI QX80

The QX80 provides 450 hp and superior size for a $6,050 lower starting MSRP than the less powerful Cayenne Coupe.

Choose the Porsche Cayenne Coupe if...

You prioritize athletic handling and the precision expected from a Porsche driving experience.
Your driving environment demands easier maneuvering, benefiting from its 194.0-inch length.
You value the marginally better combined fuel economy of 19 MPG, even with required premium fuel.

Choose the INFINITI QX80 if...

You need the commanding presence and space afforded by its massive 76.6-inch height and 22 cu ft of cargo.
Maximum brute force is essential, as evidenced by the QX80's 516 lb-ft of torque.
You seek significantly higher power (450 hp) while saving $6,050 on the initial purchase price.

Key Dimensions

Dimension	Porsche Cayenne Coupe	INFINITI QX80
Length	194.0"	211.2"
Width	78.1"	83.3"
Height	66.1"	76.6"
Wheelbase	114.0"	121.1"

Features Comparison

Safety

Feature	Porsche	INFINITI
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	—	✓
Third Row Head Airbags	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Porsche	INFINITI
Base Engine Displacement	3.0 L	3.5 L
Number of Cylinders	V6	V6
Base Engine Type	gas	gas
Horsepower	348 hp @ 5400 rpm	450 hp @ 5600 rpm
Torque	368 lb-ft @ 1450 rpm	516 lb-ft @ 3600 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	INFINITI
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
Center Differential Type	Limited Slip	—
Hill Descent Control	✓	—

Fuel

Feature	Porsche	INFINITI
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	17/23 MPG	16/20 MPG
EPA Fuel Economy (Combined)	19 MPG	18 MPG
EPA Driving Range (City/Highway)	402.9/545.1 mi.	377.6/472.0 mi.
Fuel Tank Capacity	23.7 gal.	23.6 gal.

Comfort & Convenience

Feature	Porsche	INFINITI
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	—	✓
Adaptive Cruise Control	—	✓
3rd Row Cupholders	—	✓
Overhead Console with Storage	—	✓
Manual Rear Seat Easy Entry	—	✓
Heated Steering Wheel	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓

In Car Entertainment

Feature	Porsche	INFINITI
AM/FM Stereo	✓	✓
Stereo Power	150W	600W
Speaker System	10	14
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
Satellite Radio	✓	With Real Time Traffic
Satellite Radio Trial Period	3 months	3 months
Infotainment Display	—	14.3 in
Klipsch Speakers	—	✓
Subwoofer Count	—	1
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
USB Port with External Media Control	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Porsche	INFINITI
One-Touch Power Windows	4	4
Moonroof Type	1st Row Fixed Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Reverse Tilt Dual Mirrors	—	✓

Frontseats

Feature	Porsche	INFINITI
Seat Material: Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Memory Settings	3	2
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Head Room	—	39.1 in.
Front Leg Room	—	43.8 in.
Front Shoulder Room	—	64.2 in.
Front Hip Room	—	59.9 in.
Seat Material: Leatherette	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power

Rearseats

Feature	Porsche	INFINITI
Split-Folding Rear Seatback	✓	—
Folding Center Armrest	✓	—
Rear Head Room	—	37.8 in.
Rear Leg Room	—	39.2 in.
Rear Shoulder Room	—	63.7 in.
Rear Hip Room	—	59.9 in.
Folding Rear Seatback	—	✓
Reclining Rear Seats	—	✓
Fixed Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Porsche	INFINITI
Wheel Material	Alloy	Alloy
Wheel Size	20 x 10.5 in.	20 x 8.0 in
Tire Type	All Season	All Season
Tire Size	295/45R20	275/60R20
Spare Tire Type	Temporary	Full Size Non-Matching
Spare Tire Location	Inside Mounted	Underbody Mounted

Suspension

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

Warranty

Feature	Porsche	INFINITI
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	6 yr./ 70000 mi.
EV Battery Warranty	8 yr./ 100000 mi.	—
Corrosion/Rust Warranty	12 yr./ unlimited mi.	7 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	—	3 yr./ 45000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Porsche Cayenne Coupe and 2026 INFINITI QX80.

Which vehicle offers better straight-line acceleration potential?

The 2026 INFINITI QX80 has a distinct advantage in raw power, generating 450 hp and 516 lb-ft of torque compared to the Cayenne Coupe’s 348 hp. This substantial power differential suggests the QX80 will feel significantly stronger during highway passing maneuvers.

How does the pricing difference reflect the standard equipment?

The 2025 Porsche Cayenne Coupe commands a $6,050 premium over the 2026 INFINITI QX80. Buyers must weigh whether Porsche's established performance pedigree justifies this higher cost over the QX80's superior horsepower rating.

Is the Porsche or the INFINITI better for towing or large loads?

The 2026 INFINITI QX80, with its SUV body structure, greater height (76.6 inches), and higher torque output, is inherently designed to handle larger towing and hauling duties than the lower-slung Cayenne Coupe.

What are the key fuel economy trade-offs between these two premium vehicles?

The Cayenne Coupe achieves a 19 combined MPG rating, slightly eclipsing the QX80's 18 combined MPG, although both require high-octane fuel for optimal performance.

Which vehicle provides more interior utility for passengers and gear?

The QX80 is the clear winner for utility, offering 22 cubic feet of cargo capacity versus the Cayenne Coupe’s 20.9 cubic feet, complemented by its overall larger exterior dimensions.

What does the difference in drivetrain mean for daily driving?

The Cayenne Coupe uses All-Wheel Drive (AWD) for enhanced traction in various conditions, whereas the QX80 utilizes a Rear-Wheel Drive (RWD) platform as standard, affecting handling balance.