2025 Audi A6 vs 2025 Porsche 718 Cayman
Comparison Overview
The 2025 Audi A6 explodes onto the scene with sophisticated AWD capability, offering a refined blend of luxury and practicality, boasting 261 hp and 273 lb-ft of torque while achieving 26 MPG combined. Contrast this with the razor-sharp focus of the 2025 Porsche 718 Cayman, a purebred sports coupe delivering a thrilling 300 hp and 280 lb-ft of torque to its rear wheels. While the Audi commands a more accessible starting MSRP of $58,100, the Cayman commands a premium at $72,800, reflecting its dedicated performance pedigree. The A6 is the larger, more mature sedan at 194.4 inches long, contrasting with the Cayman’s tight, low stance at just 51.0 inches high. For buyers prioritizing daily usability and slightly better fuel economy (24 MPG city vs. Cayman's 21 MPG city), the A6 shines; however, enthusiasts craving the ultimate RWD track connection will favor the significantly more potent Porsche, despite its smaller 13.7 cu ft cargo space compared to the Audi's 14.7 cu ft.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Audi A6
The Audi A6 is the clear winner for commuters due to its superior combined fuel economy of 26 MPG and the inherent comfort of a larger sedan body.
2025 Audi A6
As a four-door sedan with a larger 14.7 cu ft cargo area compared to the two-seat Cayman's 15 cu ft (which is impractical for carrying passengers), the A6 serves families better.
2025 Porsche 718 Cayman
The Porsche 718 Cayman offers 39 more horsepower (300 hp vs. 261 hp) and a dedicated Rear Wheel Drive layout essential for pure driving dynamics.
2025 Audi A6
The Audi A6 offers substantially more daily usability and AWD security for a $14,700 lower starting price than the Porsche.
Choose the Audi A6 if...
- You require all-weather confidence provided by its standard all-wheel drive system.
- Your budget is under $60,000, as the MSRP starts significantly lower at $58,100.
- You prioritize maximizing range with a 26 MPG combined efficiency rating compared to the Cayman.
Choose the Porsche 718 Cayman if...
- You demand the surgical handling and engagement of a rear-wheel-drive sports coupe.
- You are willing to pay the $14,700 premium for an additional 39 horsepower and superior performance metrics.
- You prefer a low, aggressive stance, evidenced by its mere 51.0-inch height.
Key Dimensions
| Dimension | Audi A6 | Porsche 718 Cayman |
|---|---|---|
| Length | 194.4" | 172.4" |
| Width | 74.3" | 70.9" |
| Height | 57.4" | 51.0" |
| Wheelbase | 115.1" | 97.4" |
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 | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | — |
| Front Headrests | 2 | 2 |
| Front Multi-Adjustable Headrests | ✓ | — |
| Rear Headrests | 3 | — |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Brake Preparation System | — | ✓ |
| Xenon High-Intensity Discharge Headlights | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
| Headlight Washers | — | ✓ |
| Front Integrated Headrests | — | ✓ |
Engine
| Feature | Audi | Porsche |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | flat 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 261 hp @ 5000 rpm | 300 hp @ 6500 rpm |
| Torque | 273 lb-ft @ 1600 rpm | 280 lb-ft @ 1950 rpm |
| Number of Valves | 16 | 16 |
| 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 | 7-speed automated manual | 7-speed automated manual |
| Drivetrain Type | all wheel drive | rear wheel drive |
| Center Differential Type | Limited Slip | — |
Fuel
| Feature | Audi | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 24/31 MPG | 21/27 MPG |
| EPA Fuel Economy (Combined) | 26 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 463.2/598.3 mi. | 298.2/383.4 mi. |
| Fuel Tank Capacity | 19.3 gal. | 14.2 gal. |
Comfort & Convenience
| Feature | Audi | Porsche |
|---|---|---|
| Push Button Start | ✓ | — |
| Power Tilt and Telescopic Steering Wheel | ✓ | — |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | — |
| Audio Controls on Steering Wheel | ✓ | — |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Front Seatback Storage | ✓ | — |
| Leather 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 | ✓ | — |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
In Car Entertainment
| Feature | Audi | Porsche |
|---|---|---|
| Infotainment Display | 10.1 in | — |
| AM/FM Stereo | ✓ | ✓ |
| Stereo Power | 180W | 150W |
| Speaker System | 10 | 8 |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
| Speed Sensitive Volume Control | ✓ | — |
| Apple CarPlay (Wired) | — | ✓ |
| Memory Card Slot | — | ✓ |
Power Feature
| Feature | Audi | Porsche |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Audi | Porsche |
|---|---|---|
| Front Head Room | 38.0 in. | — |
| Front Leg Room | 41.3 in. | — |
| Front Shoulder Room | 57.8 in. | — |
| Seat Material: Leather | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Power Adjustments | 8-way | 2-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Memory Settings | 2 | — |
| Passenger Seat Power Adjustments | 8-way | 2-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Front Seat Type: Sport | — | ✓ |
| Driver Seat Manual Adjustments | — | 4-way |
| Passenger Seat Manual Adjustments | — | 4-way |
Rearseats
| Feature | Audi | Porsche |
|---|---|---|
| Rear Head Room | 38.1 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 | ✓ | — |
Tires and Wheels
| Feature | Audi | Porsche |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Diameter | 19 in | — |
| Tire Type | All Season | Performance |
| Tire Size | 245/45R H | 265/45R Z |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Material | — | Alloy |
| Wheel Size | — | 18 x 9.5 in. |
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 A6 and 2025 Porsche 718 Cayman.
What is the primary difference in powertrain philosophy between the 2025 A6 and the 718 Cayman?
The Audi A6 employs an All-Wheel Drive system paired with 261 horsepower for balanced, all-weather traction and cruising ease. Conversely, the Porsche 718 Cayman utilizes a more potent 300 horsepower output directed exclusively through Rear Wheel Drive for focused, driver-centric performance.
How does the fuel economy compare for daily driving in these two premium vehicles?
The Audi A6 holds a measurable advantage in efficiency, achieving 26 MPG combined, while the higher-output Porsche 718 Cayman is rated at 24 MPG combined. Both require premium unleaded fuel for optimal performance.
Is the $14,700 price difference between the vehicles justified by performance gains?
The Cayman is significantly more expensive at $72,800 compared to the A6's $58,100. This price jump buys you 39 more horsepower and a dedicated sports car chassis, which is crucial if maximizing speed is your top priority.
Which vehicle offers more usable space for luggage or groceries?
Despite the A6 being a sedan and the Cayman a coupe, the A6 offers 13.7 cu ft, slightly edging out the Cayman’s 15 cu ft in total cargo volume, although the sedan format typically provides better access for loading.
Which car features the more advanced transmission setup?
Both the 2025 Audi A6 and the 2025 Porsche 718 Cayman utilize a sophisticated 7-speed automated manual transmission, suggesting quick, crisp shifts in both machines.
Is the Audi A6 significantly larger than the Porsche 718 Cayman?
Yes, the Audi A6 is noticeably larger, measuring 194.4 inches in length compared to the Cayman's 172.4 inches, giving it a more substantial presence on the road.
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