2025 Audi RS 6 vs 2025 Porsche Cayenne
Comparison Overview
The most significant numerical disparity between the 2025 Audi RS 6 and the 2025 Porsche Cayenne is the power output, with the Audi delivering a massive 621 hp compared to the Cayenne's 348 hp, a 273 hp advantage. This performance gap is directly reflected in the MSRP difference of $41,900, with the RS 6 commanding $126,600 versus the Cayenne's $84,700. Despite its power deficit, the Cayenne achieves marginally better efficiency, posting a combined 19 MPG against the RS 6's 17 MPG. In terms of utility, the RS 6 wagon body style offers slightly more cargo capacity at 30 cu ft versus the Cayenne's 27.3 cu ft. Both utilize an 8-speed shiftable automatic transmission and require premium fuel, but the Audi's high-performance focus dictates its significant premium in both price and sheer output metrics.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Porsche Cayenne
The 2025 Porsche Cayenne offers better fuel economy at 19 combined MPG, which is crucial for daily driving costs.
2025 Audi RS 6
The 2025 Audi RS 6 provides superior luggage capacity with 30 cu ft compared to the Cayenne's 27.3 cu ft.
2025 Audi RS 6
The Audi RS 6 dominates performance metrics with 621 hp and 627 lb-ft of torque against the Cayenne's 348 hp.
2025 Porsche Cayenne
The Porsche Cayenne costs $41,900 less while still providing an AWD platform and adequate power.
Choose the Audi RS 6 if...
- Absolute straight-line performance and 621 hp are the highest priorities for the purchase.
- The user requires the maximum available cargo space, totaling 30 cu ft in the wagon configuration.
- The budget accommodates the significant $126,600 MSRP for a top-tier performance wagon.
Choose the Porsche Cayenne if...
- Cost efficiency is paramount, evidenced by the $41,900 lower starting price.
- The buyer prioritizes slightly better fuel economy, achieving 19 combined MPG versus 17 MPG.
- A taller ride height is preferred, as the Cayenne is 6.3 inches taller than the RS 6 (66.9 in vs 58.6 in).
Key Dimensions
| Dimension | Audi RS 6 | Porsche Cayenne |
|---|---|---|
| Length | 196.7" | 194.1" |
| Width | 76.8" | 78.1" |
| Height | 58.6" | 66.9" |
| Wheelbase | 115.3" | 114.0" |
Features Comparison
Safety
| Feature | Audi | Porsche |
|---|---|---|
| Lane Departure Warning | ✓ | ✓ |
| 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 | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Headlight Washers | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Integrated Headrests | ✓ | — |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Blind Spot Monitor | — | ✓ |
| Lane Keeping Assist System | — | ✓ |
| Rear Cross Traffic Alert | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
| Front Multi-Adjustable Headrests | — | ✓ |
| Rear Multi-Adjustable Headrests | — | ✓ |
Engine
| Feature | Audi | Porsche |
|---|---|---|
| Base Engine Displacement | 4.0 L | 3.0 L |
| Number of Cylinders | V8 | V6 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 621 hp | 348 hp @ 5400 rpm |
| Torque | 627 lb-ft | 368 lb-ft @ 1450 rpm |
| Number of Valves | 32 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Audi | Porsche |
|---|---|---|
| Transmission Type | 8-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 | Audi | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 14/21 MPG | 17/23 MPG |
| EPA Fuel Economy (Combined) | 17 MPG | 19 MPG |
| EPA Driving Range (City/Highway) | 270.2/405.3 mi. | 402.9/545.1 mi. |
| Fuel Tank Capacity | 19.3 gal. | 23.7 gal. |
Comfort & Convenience
| Feature | Audi | Porsche |
|---|---|---|
| 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 | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Heated Steering Wheel | ✓ | — |
| Four Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Automatic Parking Assist | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
| Cooled Storage Compartment | — | ✓ |
In Car Entertainment
| Feature | Audi | Porsche |
|---|---|---|
| Infotainment Display | 10.1 in | 12.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Premium Brand Speakers | Bang & Olufsen | — |
| Surround Audio | Discrete | — |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
| Stereo Power | — | 150W |
| Speaker System | — | 10 |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
Power Feature
| Feature | Audi | Porsche |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Audi | Porsche |
|---|---|---|
| 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 Power Adjustments | 10-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Memory Settings | 2 | 3 |
| Passenger Seat Power Adjustments | 10-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 |
| Driver Seat Ventilation | ✓ | — |
| Passenger Seat Ventilation | ✓ | — |
| Seat Material: Leather | — | ✓ |
| Front Seat Type: Bucket | — | ✓ |
Rearseats
| Feature | Audi | Porsche |
|---|---|---|
| Rear Head Room | 39.5 in. | — |
| Rear Leg Room | 37.4 in. | — |
| Rear Shoulder Room | 56.5 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Reclining Rear Seats | — | ✓ |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Audi | Porsche |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 21 in | 20 x 10.5 in. |
| Tire Type | Performance | All Season |
| Tire Size | 275/35R21 | 295/45R20 |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | Audi | Porsche |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Audi | Porsche |
|---|---|---|
| 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./ unlimited mi. | 4 yr./ 50000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Audi RS 6 and 2025 Porsche Cayenne.
What is the primary difference in physical size between the RS 6 and the Cayenne?
The 2025 Porsche Cayenne is significantly taller at 66.9 inches compared to the Audi RS 6's 58.6 inches, suggesting a higher driving position. However, the Audi wagon is slightly longer at 196.7 inches versus the Cayenne's 194.1 inches.
How much more power does the Audi RS 6 generate over the standard Cayenne?
The Audi RS 6 produces 621 horsepower, which is 273 horsepower more than the 348 horsepower generated by the 2025 Porsche Cayenne.
Do both vehicles require the same type of fuel?
Yes, both the 2025 Audi RS 6 and the 2025 Porsche Cayenne explicitly require premium unleaded fuel for optimal operation.
Which vehicle offers better practical cargo volume?
The 2025 Audi RS 6, being a wagon, offers 30 cubic feet of cargo capacity, edging out the 2025 Porsche Cayenne which provides 27.3 cubic feet.
What is the exact MSRP gap between the two models?
There is a substantial price difference of $41,900 separating the two vehicles, with the RS 6 starting at $126,600 and the Cayenne listed at $84,700.
Comparing highway fuel efficiency, which model is superior?
The 2025 Porsche Cayenne is more efficient on the highway, rated at 23 MPG, while the high-performance Audi RS 6 trails slightly at 21 MPG.
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