2025 Porsche Cayenne Coupe vs 2026 Audi RS 6

$89,800 · Crossover

$130,700 · Wagon

Comparison Overview

Choosing between a premium crossover and a high-performance wagon often boils down to balancing practicality against sheer driving thrills and budget. If you are eyeing the 2025 Porsche Cayenne Coupe ($89,800) and the forthcoming 2026 Audi RS 6 ($130,700), the financial gulf is substantial: a $40,900 difference. While the Cayenne Coupe offers a respectable 348 hp and 19 MPG combined, the RS 6 leaps ahead with a staggering 621 hp, giving it 273 more horsepower to play with. Although the Cayenne is slightly shorter in length at 194.0 inches compared to the RS 6's 196.7 inches, the wagon style gives the Audi superior utility, boasting 29.9 cu ft of cargo space versus the Porsche's 20.9 cu ft. Ultimately, the choice hinges on whether you prioritize accessible luxury performance or cutting-edge speed, knowing the Audi demands significantly higher upfront costs and returns slightly lower fuel economy at 16 MPG combined.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche Cayenne Coupe

The 2025 Porsche Cayenne Coupe is the better commuter due to its superior fuel efficiency, achieving 19 MPG combined versus the RS 6's 16 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi RS 6

The 2026 Audi RS 6 wins for families by offering substantially more utility with 29.9 cu ft of cargo space compared to the Cayenne Coupe's 20.9 cu ft.

🏎️ Best for Enthusiasts

2026 Audi RS 6

The 2026 Audi RS 6 clearly dominates the enthusiast category with 621 hp and 627 lb-ft of torque, easily outpacing the Cayenne Coupe's 348 hp.

💰 Best Value

2025 Porsche Cayenne Coupe

The 2025 Porsche Cayenne Coupe provides a significantly better value proposition, costing $40,900 less than the Audi RS 6.

Choose the Porsche Cayenne Coupe if...

You need to keep the initial purchase price under $100,000, as the Cayenne Coupe starts at $89,800.
Fuel economy is a moderate concern, as the Cayenne Coupe achieves 19 MPG combined versus 16 MPG for the RS 6.
You prefer the slightly higher driving position of a crossover over a low-slung wagon.

Choose the Audi RS 6 if...

You demand maximum power, as the RS 6 offers an immense 273 more horsepower (621 hp total).
You frequently haul bulky items, benefiting from the RS 6's 29.9 cu ft of standard cargo capacity.
You value the low center of gravity provided by the RS 6's wagon body style, which is lower at 58.6 inches compared to the Cayenne's 66.1 inches.

Key Dimensions

Dimension	Porsche Cayenne Coupe	Audi RS 6
Length	194.0"	196.7"
Width	78.1"	76.8"
Height	66.1"	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 Integrated Headrests	✓	✓
Rear Headrests	2	3
Rear Height Adjustable Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Headlight Washers	—	✓
Rear Fixed Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

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

Power Feature

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

Frontseats

Feature	Porsche	Audi
Seat Material: Leather	✓	—
Front Seat Type: Sport	✓	✓
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	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Porsche	Audi
Split-Folding Rear Seatback	✓	✓
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.
EV Battery Warranty	8 yr./ 100000 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 Coupe and 2026 Audi RS 6.

How much more power does the Audi RS 6 have over the Porsche Cayenne Coupe?

The 2026 Audi RS 6 is significantly more potent, generating 621 hp compared to the 2025 Porsche Cayenne Coupe's 348 hp. This results in an impressive 273 horsepower advantage for the RS 6.

Is the price difference between these two vehicles significant?

Yes, the difference is substantial; the 2026 Audi RS 6 starts at $130,700, making it $40,900 more expensive than the $89,800 base MSRP for the 2025 Porsche Cayenne Coupe.

Which vehicle is more practical for large grocery runs or luggage?

The 2026 Audi RS 6 is superior for hauling, offering 29.9 cu ft of cargo space. The 2025 Porsche Cayenne Coupe provides less utility with only 20.9 cu ft available.

Are there any substantial differences in fuel efficiency?

Both require premium fuel, but the Cayenne Coupe is slightly more efficient, achieving 19 MPG combined versus the RS 6's 16 MPG combined rating.

How do their dimensions compare, specifically height and length?

The RS 6 is slightly longer at 196.7 inches versus the Cayenne's 194.0 inches, but the RS 6 sits much lower at 58.6 inches compared to the Cayenne Coupe's 66.1 inches.