2025 Porsche Cayenne vs 2026 Audi RS 6

$84,700 · Crossover

$130,700 · Wagon

Comparison Overview

The most significant numerical difference between the 2025 Porsche Cayenne and the 2026 Audi RS 6 lies in performance, with the RS 6 boasting an enormous 273 horsepower advantage (621 hp vs. 348 hp) and 259 lb-ft more torque (627 lb-ft vs. 368 lb-ft). This performance gap is reflected in the pricing, as the RS 6 commands an MSRP of $130,700, representing a $46,000 premium over the Cayenne's $84,700 base price. While both vehicles utilize AWD and 8-speed automatics, the Cayenne offers a better fuel economy rating at 19 combined MPG compared to the RS 6's 16 combined MPG, using required premium unleaded fuel. Dimensionally, the Cayenne is shorter in length (194.1 inches vs. 196.7 inches) and taller (66.9 inches vs. 58.6 inches), although the RS 6 wagon provides slightly more maximum cargo capacity at 29.9 cu ft versus the Cayenne's 27.3 cu ft.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche Cayenne

The Porsche Cayenne is the superior commuter due to its better efficiency, achieving 19 combined MPG versus the Audi RS 6's 16 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi RS 6

Despite the higher price, the Audi RS 6 offers a slight utility advantage with 29.9 cubic feet of cargo capacity compared to the Cayenne's 27.3 cubic feet.

🏎️ Best for Enthusiasts

2026 Audi RS 6

The Audi RS 6 delivers vastly superior performance metrics, generating 621 horsepower and 627 lb-ft of torque.

💰 Best Value

2025 Porsche Cayenne

The Cayenne offers a much lower entry barrier at $84,700 compared to the RS 6's $130,700 MSRP, saving $46,000.

Choose the Porsche Cayenne if...

Your budget dictates a maximum spend near $85,000, given the $46,000 price gap.
Fuel efficiency is a priority, as the Cayenne achieves 19 combined MPG versus 16 combined MPG.
You prefer a traditional crossover height (66.9 inches) over the lower stance of a high-performance wagon.

Choose the Audi RS 6 if...

Maximum attainable power is the goal, highlighted by 621 hp and 627 lb-ft of torque.
You require the highest available cargo volume, where the RS 6 offers 29.9 cu ft.
The added cost is justified by the substantial performance difference of 273 more horsepower.

Key Dimensions

Dimension	Porsche Cayenne	Audi RS 6
Length	194.1"	196.7"
Width	78.1"	76.8"
Height	66.9"	58.6"
Wheelbase	114.0"	115.3"

Features Comparison

Safety

Feature	Porsche	Audi
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	3
Rear Multi-Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Headlight Washers	—	✓
Front Integrated Headrests	—	✓
Rear Fixed Headrests	—	✓

Engine

Feature	Porsche	Audi
Base Engine Displacement	3.0 L	4.0 L
Number of Cylinders	V6	V8
Base Engine Type	gas	mild hybrid
Horsepower	348 hp @ 5400 rpm	621 hp
Torque	368 lb-ft @ 1450 rpm	627 lb-ft
Number of Valves	24	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Porsche	Audi
Transmission Type	8-speed shiftable automatic	8-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	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	17/23 MPG	14/21 MPG
EPA Fuel Economy (Combined)	19 MPG	16 MPG
EPA Driving Range (City/Highway)	402.9/545.1 mi.	270.2/405.3 mi.
Fuel Tank Capacity	23.7 gal.	19.3 gal.

Comfort & Convenience

Feature	Porsche	Audi
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	✓	—
Heated Steering Wheel	—	✓
Four Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓

In Car Entertainment

Feature	Porsche	Audi
Infotainment Display	12.3 in	10.1 in
AM/FM Stereo	✓	✓
Stereo Power	150W	—
Speaker System	10	—
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Premium Brand Speakers	—	Bang & Olufsen
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

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

Frontseats

Feature	Porsche	Audi
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Memory Settings	3	2
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	—	38.3 in.
Front Leg Room	—	41.3 in.
Front Shoulder Room	—	57.8 in.
Seat Material: Premium Leather	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Porsche	Audi
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	—
Folding Center Armrest	✓	—
Rear Head Room	—	39.5 in.
Rear Leg Room	—	37.4 in.
Rear Shoulder Room	—	56.5 in.
Folding Rear Seat Feature	—	✓
Pass-Thru Center Armrest	—	✓

Tires and Wheels

Feature	Porsche	Audi
Wheel Material	Alloy	Alloy
Wheel Size	20 x 10.5 in.	21 in
Tire Type	All Season	Performance
Tire Size	295/45R20	275/35R21
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—

Suspension

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

Warranty

Feature	Porsche	Audi
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.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 30000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Porsche Cayenne and 2026 Audi RS 6.

What is the main powertrain difference between the 2025 Cayenne and the 2026 RS 6?

The Audi RS 6 significantly outperforms the Porsche Cayenne in engine output. The RS 6 produces 621 horsepower and 627 lb-ft of torque, whereas the Cayenne delivers 348 hp and 368 lb-ft of torque.

How do the overall operating costs compare based on the provided fuel economy data?

The Cayenne is more economical for daily driving, offering 19 combined MPG. Conversely, the high-performance RS 6 is rated slightly lower at 16 combined MPG, though both require premium unleaded fuel.

Is the Audi RS 6 significantly larger than the Porsche Cayenne?

The RS 6 wagon is slightly longer at 196.7 inches compared to the Cayenne's 194.1 inches. However, the Cayenne is substantially taller at 66.9 inches, while the RS 6 sits much lower at 58.6 inches.

What is the exact price difference between these two models?

There is a substantial $46,000 price variance based on MSRP figures. The 2025 Porsche Cayenne starts at $84,700, while the 2026 Audi RS 6 commands a starting price of $130,700.

Which vehicle provides better usability regarding storage capacity?

The Audi RS 6 wagon body style translates to a marginal advantage in cargo space, offering 29.9 cubic feet versus the Cayenne's 27.3 cubic feet.

Are the driving dynamics drastically different due to the body style?

Yes, the 8.3-inch difference in height (66.9" vs 58.6") indicates the Cayenne sits much higher as a standard crossover, while the RS 6 adopts a lower, more aggressive wagon profile which typically translates to a lower center of gravity.