2025 INFINITI QX80 vs 2025 Porsche Cayenne

$82,450 · SUV

$84,700 · Crossover

Comparison Overview

The 2025 INFINITI QX80 arrives with a commanding presence and brute force, boasting a staggering 450 hp and 516 lb-ft of torque from its large engine, promising effortless highway pulls despite its substantial 211.2-inch length. Contrast this with the agile 2025 Porsche Cayenne, which delivers a more focused, engaging drive, sacrificing raw output (348 hp) for efficiency, achieving 19 MPG combined versus the QX80's 18 MPG. The Cayenne, being a smaller crossover at 194.1 inches, offers superior utility with 27.3 cu ft of cargo space compared to the QX80's 22 cu ft. While the QX80 features a more robust 9-speed automatic transmission, the Cayenne’s standard All-Wheel Drive setup suggests better stability in varied conditions, though it starts at a slightly higher $84,700 MSRP against the QX80's $82,450 entry price. This comparison pits monumental, luxury-focused power against precision-tuned driving dynamics.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche Cayenne

The Porsche Cayenne wins for commuting due to its slightly better 19 MPG combined rating and smaller footprint, making navigation easier.

👨‍👩‍👧‍👦 Best for Families

2025 Porsche Cayenne

The Cayenne offers more usable space with 27.3 cu ft of cargo capacity compared to the QX80's 22 cu ft.

🏎️ Best for Enthusiasts

2025 INFINITI QX80

The QX80 appeals more to brute force enthusiasts with 450 hp and 516 lb-ft of torque, significantly overshadowing the Cayenne's output.

💰 Best Value

2025 INFINITI QX80

The INFINITI QX80 delivers substantially more power (450 hp vs. 348 hp) for a lower starting MSRP of $82,450.

Choose the INFINITI QX80 if...

You prioritize maximum engine output, benefiting from the 450 hp and 516 lb-ft of torque.
You prefer a rear-wheel-drive architecture for traditional luxury SUV handling characteristics.
You want a lower starting price point at $82,450 while still obtaining top-tier horsepower.

Choose the Porsche Cayenne if...

Superior handling and all-weather stability are crucial, thanks to standard All-Wheel Drive.
You need the extra utility offered by 27.3 cu ft of cargo capacity, beating the QX80's 22 cu ft.
You seek better fuel economy, managing 19 MPG combined versus the QX80's 18 MPG.

Key Dimensions

Dimension	INFINITI QX80	Porsche Cayenne
Length	211.2"	194.1"
Width	83.3"	78.1"
Height	76.6"	66.9"
Wheelbase	121.0"	114.0"

Features Comparison

Safety

Feature	INFINITI	Porsche
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
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	✓	✓
Third Row 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 Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Fog Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	2	3
Rear Height Adjustable Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Dual Rear Side-Mounted Airbags	—	✓
Adaptive Headlights	—	✓
Cornering Lights	—	✓
Front Multi-Adjustable Headrests	—	✓
Rear Multi-Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

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

Fuel

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

Comfort & Convenience

Feature	INFINITI	Porsche
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	—
Electric Power Steering	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
3rd Row Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	—
Front Seatback Storage	✓	✓
Manual Rear Seat Easy Entry	✓	—
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Transmission Controls on Steering Wheel	—	✓
Automatic Parking Assist	—	✓
Cruise Control	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓
Cooled Storage Compartment	—	✓

In Car Entertainment

Feature	INFINITI	Porsche
Infotainment Display	14.3 in	12.3 in
AM/FM Stereo	✓	✓
Klipsch Speakers	✓	—
Stereo Power	600W	150W
Speaker System	14	10
Subwoofer Count	1	—
Android Auto (Wireless)	✓	—
Apple CarPlay (Wireless)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	With Real Time Traffic	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	—
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓

Power Feature

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

Frontseats

Feature	INFINITI	Porsche
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 Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	—
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leather	—	✓

Rearseats

Feature	INFINITI	Porsche
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	✓	—
Split-Folding Rear Seatback	—	✓
Folding Center Armrest	—	✓

Tires and Wheels

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

Suspension

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

Warranty

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

Frequently Asked Questions

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

How significant is the power difference between the two SUVs?

The difference is massive; the 2025 INFINITI QX80 offers 450 hp, which is 102 more horsepower than the 2025 Porsche Cayenne's 348 hp. This results in the QX80 having significantly higher torque at 516 lb-ft versus the Cayenne's 368 lb-ft.

Which vehicle is better equipped for highway cruising and road trips?

While both use premium fuel, the Cayenne has a slight edge in efficiency with 23 highway MPG compared to the QX80's 20 highway MPG. However, the QX80's commanding dimensions (211.2 inches long) may provide a more isolating ride experience.

Is the Porsche Cayenne noticeably smaller than the INFINITI QX80?

Yes, the physical dimensions highlight a difference in purpose; the Cayenne is substantially shorter at 194.1 inches long compared to the QX80's 211.2 inches. This also contributes to the Cayenne's slightly better maneuverability in urban settings.

Does the QX80 or Cayenne offer better utility for hauling cargo?

The Porsche Cayenne is the clear winner for cargo volume, providing 27.3 cubic feet behind the rear seats. The larger, body-on-frame QX80 only provides 22 cubic feet of space, indicating the Cayenne's crossover design prioritizes usable storage.

What is the core mechanical difference in the standard drivetrain setup?

The QX80 comes standard with Rear Wheel Drive and uses a 9-speed automatic transmission, whereas the Cayenne comes standard with All-Wheel Drive paired to an 8-speed automatic transmission.