2025 Porsche 718 Cayman vs 2026 Audi A6
Comparison Overview
The most significant numerical difference between the 2025 Porsche 718 Cayman and the 2026 Audi A6 is the combined fuel economy, with the Cayman achieving 24 MPG compared to the A6’s unlisted figure (which we assume is lower given the power difference and sedan body). The A6 starts at a substantial MSRP advantage of $8,700 less ($64,100 vs. $72,800). However, the A6 counters with superior output, delivering 362 hp and 406 lb-ft of torque—a 62 hp and 126 lb-ft advantage over the Cayman’s 300 hp and 280 lb-ft. Both utilize a 7-speed automated manual transmission, but the Audi benefits from standard All-Wheel Drive versus the Cayman’s Rear-Wheel Drive. Dimensionally, the A6 is significantly longer at 196.8 inches compared to the Cayman’s 172.4 inches, offering a wider cabin experience.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Audi A6
The 2026 Audi A6, despite being larger, is expected to offer better real-world commuting efficiency and practicality as a sedan over the specialized coupe.
2026 Audi A6
The Audi A6 is fundamentally a sedan with greater length (196.8 inches) and width (73.8 inches) to accommodate four or more passengers compared to the two-seater Cayman coupe.
2026 Audi A6
The 2026 Audi A6 provides 362 hp and 406 lb-ft of torque, significantly outmuscling the 300 hp and 280 lb-ft output of the Porsche 718 Cayman.
2026 Audi A6
The 2026 Audi A6 has an $8,700 lower MSRP and offers higher baseline power figures, presenting a superior dollar-per-horsepower ratio.
Choose the Porsche 718 Cayman if...
- You prioritize the compact dimensions (172.4 inches in length) and low height (51.0 inches) of a dedicated sports coupe.
- Your driving preference is strictly Rear Wheel Drive performance dynamics.
- You can commit to using only premium unleaded fuel for the 300 hp engine while accepting the $72,800 starting price.
Choose the Audi A6 if...
- Maximum power output is critical, as the A6 delivers 362 hp and 406 lb-ft of torque.
- All-Wheel Drive security and higher cargo volume (implied by larger sedan size vs. 15 cu ft Cayman) are necessary.
- A lower entry cost of $64,100 is preferred for a vehicle with significantly higher base power figures.
Key Dimensions
| Dimension | Porsche 718 Cayman | Audi A6 |
|---|---|---|
| Length | 172.4" | 196.8" |
| Width | 70.9" | 73.8" |
| Height | 51.0" | 57.4" |
| Wheelbase | 97.4" | 115.1" |
Features Comparison
Safety
| Feature | Porsche | Audi |
|---|---|---|
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | ✓ |
| Brake Preparation System | ✓ | — |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | — |
| Xenon High-Intensity Discharge Headlights | ✓ | — |
| Adaptive Headlights | ✓ | — |
| Daytime Running Lights | ✓ | ✓ |
| Cornering Lights | ✓ | — |
| Headlight Washers | ✓ | — |
| Front Headrests | 2 | 2 |
| Front Integrated Headrests | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Blind Spot Monitor | — | ✓ |
| Lane Departure Warning | — | ✓ |
| Lane Keeping Assist System | — | ✓ |
| Front Cross Traffic Alert | — | ✓ |
| Rear Cross Traffic Alert | — | ✓ |
| Pre-Collision Safety System | — | ✓ |
| Dual Rear Side-Mounted Airbags | — | ✓ |
| Rear Head Airbags | — | ✓ |
| LATCH System | — | ✓ |
| Rear Door Child Safety Locks | — | ✓ |
| LED Headlights | — | ✓ |
| Rear Headrests | — | 3 |
| Rear Height Adjustable Headrests | — | ✓ |
| Rear Center 3-Point Seatbelt | — | ✓ |
Engine
| Feature | Porsche | Audi |
|---|---|---|
| Base Engine Displacement | 2.0 L | 3.0 L |
| Number of Cylinders | flat 4 | V6 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 300 hp @ 6500 rpm | 362 hp @ 5500 rpm |
| Torque | 280 lb-ft @ 1950 rpm | 406 lb-ft @ 1700 rpm |
| Number of Valves | 16 | 24 |
| 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 | 7-speed automated manual | 7-speed automated manual |
| Drivetrain Type | rear wheel drive | all wheel drive |
| Center Differential Type | — | Limited Slip |
Fuel
| Feature | Porsche | Audi |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 21/27 MPG | — |
| EPA Fuel Economy (Combined) | 24 MPG | — |
| EPA Driving Range (City/Highway) | 298.2/383.4 mi. | 0/0 mi. |
| Fuel Tank Capacity | 14.2 gal. | 19.3 gal. |
Comfort & Convenience
| Feature | Porsche | Audi |
|---|---|---|
| Tilt and Telescopic Steering Wheel | ✓ | — |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Cruise Control | ✓ | — |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Push Button Start | — | ✓ |
| Power Tilt and Telescopic Steering Wheel | — | ✓ |
| Audio Controls on Steering Wheel | — | ✓ |
| Wireless Charging Pad | — | ✓ |
| Adaptive Cruise Control | — | ✓ |
| Rear Cupholders | — | ✓ |
| Rear Door Pockets | — | ✓ |
| Front Seatback Storage | — | ✓ |
| Three Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts with Fan Control | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
In Car Entertainment
| Feature | Porsche | Audi |
|---|---|---|
| AM/FM Stereo | ✓ | ✓ |
| Stereo Power | 150W | — |
| Speaker System | 8 | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Memory Card Slot | ✓ | — |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
| Infotainment Display | — | 14.5 in |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | Porsche | Audi |
|---|---|---|
| One-Touch Power Windows | 2 | 4 |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Moonroof Type | — | 1st Row Fixed Electrochromatic Glass |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Porsche | Audi |
|---|---|---|
| Seat Material: Leather | ✓ | ✓ |
| Front Seat Type: Sport | ✓ | ✓ |
| Driver Seat Power Adjustments | 2-way | 8-way |
| Driver Seat Manual Adjustments | 4-way | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Power Adjustments | 2-way | 8-way |
| Passenger Seat Manual Adjustments | 4-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Front Head Room | — | 40.0 in. |
| Front Leg Room | — | 41.3 in. |
| Front Shoulder Room | — | 57.1 in. |
| Driver Seat Lumbar Support | — | Power |
| Driver Seat Memory Settings | — | 2 |
| Passenger Seat Lumbar Support | — | Power |
| Driver Seat Ventilation | — | ✓ |
| Passenger Seat Ventilation | — | ✓ |
Rearseats
| Feature | Porsche | Audi |
|---|---|---|
| Rear Head Room | — | 37.8 in. |
| Rear Leg Room | — | 37.2 in. |
| Rear Shoulder Room | — | 55.4 in. |
| Split-Folding Rear Seatback | — | ✓ |
| Folding Rear Seat Feature | — | ✓ |
| Pass-Thru Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Porsche | Audi |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 18 x 9.5 in. | — |
| Tire Type | Performance | — |
| Tire Size | 265/45R Z | 245/45R H |
| Wheel Finish | — | Painted Alloy |
| Wheel Diameter | — | 19 in |
| Run Flat Tires | — | ✓ |
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. |
Frequently Asked Questions
Common questions about comparing the 2025 Porsche 718 Cayman and 2026 Audi A6.
Is the Porsche 718 Cayman more fuel-efficient than the Audi A6?
Based on the provided data, the Porsche 718 Cayman has a listed combined MPG of 24. Since the Audi A6 specifications do not list MPG, and it has significantly more horsepower (362 hp vs 300 hp) and AWD, it is likely less efficient than the Cayman.
What is the price difference between the 2025 Porsche 718 Cayman and the 2026 Audi A6?
The 2025 Porsche 718 Cayman has an MSRP of $72,800, while the 2026 Audi A6 starts at $64,100. This results in a direct price difference of $8,700 favoring the Audi.
Which vehicle offers superior outright performance specs?
The 2026 Audi A6 leads in raw output with 362 horsepower and 406 lb-ft of torque. The 2025 Porsche 718 Cayman produces 300 hp and 280 lb-ft of torque, giving the A6 a measurable advantage in power.
How do the drivetrains compare between these two vehicles?
The Porsche 718 Cayman uses a Rear Wheel Drive setup, whereas the 2026 Audi A6 comes standard with All Wheel Drive. Both models share a 7-speed automated manual transmission.
Is the Audi A6 larger than the Porsche Cayman?
Yes, the 2026 Audi A6 sedan is substantially larger, measuring 196.8 inches in length, compared to the 172.4-inch length of the 2025 Porsche 718 Cayman coupe.
Do both vehicles require premium fuel?
Yes, according to the specifications provided, both the 2025 Porsche 718 Cayman and the 2026 Audi A6 mandate the use of premium unleaded fuel.
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