2025 Audi RS Q8 vs 2025 Porsche Cayenne
Comparison Overview
The most significant numerical divergence between the 2025 Audi RS Q8 and the 2025 Porsche Cayenne is the $51,500 MSRP gap, starting at $136,200 for the Audi versus $84,700 for the Porsche. This price accounts for a substantial 283 horsepower disparity; the RS Q8 produces 631 hp and 627 lb-ft of torque, while the Cayenne delivers 348 hp and 368 lb-ft of torque. Efficiency figures also favor the less potent Cayenne, achieving a combined 19 MPG compared to the RS Q8's 16 MPG. While both vehicles utilize AWD and 8-speed automatics, the larger RS Q8 offers slightly more utility with 33.0 cu ft of cargo space versus the Cayenne's 27.3 cu ft. The performance-focused nature of the RS Q8 justifies its premium cost for buyers prioritizing outright speed and power figures.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Porsche Cayenne
The Porsche Cayenne wins for commuting due to its superior fuel economy, achieving 19 combined MPG versus the Audi's 16 combined MPG.
2025 Audi RS Q8
The Audi RS Q8 offers marginally greater practicality for families with 33.0 cu ft of cargo space compared to the Cayenne's 27.3 cu ft.
2025 Audi RS Q8
The Audi RS Q8 is the clear choice for performance enthusiasts, boasting 631 hp and 627 lb-ft of torque.
2025 Porsche Cayenne
The Porsche Cayenne presents significantly better value by offering substantial performance at an MSRP that is $51,500 less than the RS Q8.
Choose the Audi RS Q8 if...
- Absolute maximum power is required, evidenced by its 631 hp output.
- You need the maximum available utility, featuring 33.0 cu ft of cargo capacity.
- The requirement for superior torque (627 lb-ft) outweighs budgetary constraints.
Choose the Porsche Cayenne if...
- Fuel economy is a priority, as indicated by its 19 combined MPG rating.
- The $84,700 base MSRP provides better overall value.
- Adequate performance (348 hp) is sufficient without the high running costs of the top-tier engine.
Key Dimensions
| Dimension | Audi RS Q8 | Porsche Cayenne |
|---|---|---|
| Length | 197.7" | 194.1" |
| Width | 79.0" | 78.1" |
| Height | 67.5" | 66.9" |
| Wheelbase | 117.9" | 114.0" |
Features Comparison
Safety
| Feature | Audi | Porsche |
|---|---|---|
| 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 |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| 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 | ✓ | ✓ |
| Front Ventilated Disc Brakes | — | ✓ |
| Rear Ventilated Disc Brakes | — | ✓ |
| 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 | 631 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] | ✓ | — |
| Hill Descent Control | ✓ | ✓ |
| Center Differential Type | — | Limited Slip |
Fuel
| Feature | Audi | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 14/20 MPG | 17/23 MPG |
| EPA Fuel Economy (Combined) | 16 MPG | 19 MPG |
| EPA Driving Range (City/Highway) | 315.0/450.0 mi. | 402.9/545.1 mi. |
| Fuel Tank Capacity | 22.5 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 with Side Sensing | ✓ | — |
| Wireless Charging Pad | ✓ | ✓ |
| Adaptive 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 | ✓ | ✓ |
| Rear Parking Sensors | — | ✓ |
| Automatic Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| 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 | — |
| Stereo Power | 730W | 150W |
| Speaker System | 17 | 10 |
| 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 |
| 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 | 37.1 in. | — |
| Front Leg Room | 41.3 in. | — |
| Front Shoulder Room | 59.5 in. | — |
| Seat Material: Premium Leather | ✓ | — |
| Front Seat Type: Sport | ✓ | — |
| 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 | — |
| Passenger Seat Memory Settings | 2 | — |
| 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 | 38.1 in. | — |
| Rear Leg Room | 40.2 in. | — |
| Rear Shoulder Room | 58.4 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
Tires and Wheels
| Feature | Audi | Porsche |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Diameter | 22 in | — |
| Tire Type | Performance | All Season |
| Tire Size | 295/40R22 | 295/45R20 |
| Wheel Size | — | 20 x 10.5 in. |
| 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 Q8 and 2025 Porsche Cayenne.
What is the specific power difference between the 2025 Audi RS Q8 and the 2025 Porsche Cayenne?
The Audi RS Q8 generates 631 horsepower and 627 lb-ft of torque, creating a substantial 283 hp difference over the Porsche Cayenne, which produces 348 hp and 368 lb-ft of torque.
How much more does the 2025 Audi RS Q8 cost compared to the 2025 Porsche Cayenne?
The Audi RS Q8 has a significantly higher MSRP of $136,200, resulting in a $51,500 price premium over the base 2025 Porsche Cayenne, listed at $84,700.
Which crossover is more fuel-efficient for daily driving?
The Porsche Cayenne is more efficient, achieving 19 combined MPG (17 City/23 Highway), while the performance-focused Audi RS Q8 is rated for only 16 combined MPG (14 City/20 Highway).
Do these crossovers offer comparable interior space?
The Audi RS Q8 is physically larger overall and provides more storage, offering 33.0 cu ft of cargo capacity, whereas the Cayenne has 27.3 cu ft.
Are there differences in drivetrain specifications for these two models?
No, both vehicles utilize an All-Wheel Drive (AWD) system paired with an 8-speed shiftable automatic transmission.
Are both vehicles required to use premium fuel?
Yes, based on the provided specifications, both the 2025 Audi RS Q8 and the 2025 Porsche Cayenne require premium unleaded fuel for operation.
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