2025 Audi RS 5 vs 2025 Porsche 718 Cayman
Comparison Overview
The 2025 Audi RS 5 explodes onto the scene as the practical powerhouse, boasting a muscular 444 hp and a substantial 21.8 cu ft of cargo space in its sleek Hatchback form. It demands a $79,900 investment for that brute force, though its 20 MPG combined economy reflects that output. In striking contrast, the 2025 Porsche 718 Cayman champions focused, purist driving dynamics, offering 300 hp and superior agility in its smaller, RWD Coupe package for only $72,800. While the Cayman sips premium fuel for 24 MPG combined, the Audi requires more pit stops due to its higher consumption, trailing by 4 MPG. The Cayman’s smaller footprint (172.4 inches long versus the RS 5's 188.3 inches) emphasizes its intent as an agile sports machine, whereas the Audi blends usability with overwhelming straight-line speed.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Porsche 718 Cayman
The Porsche 718 Cayman wins for daily commuting due to its better fuel economy (24 MPG combined) and smaller dimensions.
2025 Audi RS 5
The Audi RS 5 is the clear choice for families, offering significantly more utility with 21.8 cu ft of cargo capacity compared to the Cayman's 15 cu ft.
2025 Audi RS 5
Enthusiasts seeking maximum power will gravitate toward the RS 5's massive 144 hp advantage over the standard Cayman.
2025 Porsche 718 Cayman
The Porsche 718 Cayman offers a more compelling entry point into premium sports motoring at a $7,100 lower MSRP.
Choose the Audi RS 5 if...
- You require substantial, all-weather grip provided by its standard all-wheel drive system.
- You need daily practicality, utilizing the generous 21.8 cu ft of cargo space.
- Straight-line speed is paramount, demanding the 444 hp engine.
Choose the Porsche 718 Cayman if...
- Your focus is on tactile, driver-focused handling afforded by its rear-wheel drive layout.
- You prioritize fuel efficiency, achieving 24 MPG combined versus the RS 5's 20 MPG.
- You prefer a lower initial outlay, saving $7,100 off the base MSRP.
Key Dimensions
| Dimension | Audi RS 5 | Porsche 718 Cayman |
|---|---|---|
| Length | 188.3" | 172.4" |
| Width | 73.5" | 70.9" |
| Height | 55.1" | 51.0" |
| Wheelbase | 111.3" | 97.4" |
Features Comparison
Safety
| Feature | Audi | Porsche |
|---|---|---|
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Pre-Collision Safety System | ✓ | — |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front 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 Preparation System | ✓ | ✓ |
| 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 | — |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Xenon High-Intensity Discharge Headlights | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
Engine
| Feature | Audi | Porsche |
|---|---|---|
| Base Engine Displacement | 2.9 L | 2.0 L |
| Number of Cylinders | V6 | flat 4 |
| Base Engine Type | gas | gas |
| Horsepower | 444 hp @ 6700 rpm | 300 hp @ 6500 rpm |
| Torque | 442 lb-ft @ 4700 rpm | 280 lb-ft @ 1950 rpm |
| Number of Valves | 24 | 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 | 8-speed shiftable automatic | 7-speed automated manual |
| Drivetrain Type | all wheel drive | rear wheel drive |
| [object Object] | ✓ | — |
| [object Object] | ✓ | — |
Fuel
| Feature | Audi | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 18/25 MPG | 21/27 MPG |
| EPA Fuel Economy (Combined) | 20 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 275.4/382.5 mi. | 298.2/383.4 mi. |
| Fuel Tank Capacity | 15.3 gal. | 14.2 gal. |
Comfort & Convenience
| Feature | Audi | Porsche |
|---|---|---|
| Push Button Start | ✓ | — |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | — |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| 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 | ✓ | — |
| Three Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | — |
| Cargo Floor Mats | ✓ | — |
| Cruise Control | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Interior Air Filtration | — | ✓ |
In Car Entertainment
| Feature | Audi | Porsche |
|---|---|---|
| Infotainment Display | 10.1 in | — |
| AM/FM Stereo | ✓ | ✓ |
| Premium Brand Speakers | Bang & Olufsen | — |
| Stereo Power | 755W | 150W |
| Speaker System | 19 | 8 |
| Surround Audio | Discrete | — |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| 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 | 37.8 in. | — |
| Front Leg Room | 41.3 in. | — |
| Front Shoulder Room | 55.7 in. | — |
| Seat Material: Premium Leather | ✓ | — |
| Front Seat Type: Sport | ✓ | ✓ |
| 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 | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Massage Function | ✓ | — |
| Seat Material: Leather | — | ✓ |
| Driver Seat Manual Adjustments | — | 4-way |
| Passenger Seat Manual Adjustments | — | 4-way |
Rearseats
| Feature | Audi | Porsche |
|---|---|---|
| Rear Head Room | 37.0 in. | — |
| Rear Leg Room | 35.1 in. | — |
| Rear Shoulder Room | 54.5 in. | — |
| Split-Folding Rear Seatback | ✓ | — |
| Folding Center Armrest | ✓ | — |
| Heated Rear Seats (Multi-Level) | ✓ | — |
Tires and Wheels
| Feature | Audi | Porsche |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 19 x 9.0 in | 18 x 9.5 in. |
| Tire Type | Performance | Performance |
| Tire Size | 265/35R19 | 265/45R Z |
| 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 5 and 2025 Porsche 718 Cayman.
What is the primary driving difference between the Audi RS 5 and the Porsche 718 Cayman?
The Audi RS 5 uses an all-wheel drive system paired with 444 hp for relentless, stable acceleration, while the 718 Cayman uses a rear-wheel drive setup with 300 hp, emphasizing direct steering feel and driver input.
Is the 2025 Porsche 718 Cayman practical for carrying luggage?
The Cayman is a dedicated sports coupe with a tight 15 cu ft of cargo capacity, significantly less than the Audi RS 5's 21.8 cu ft hatchback area, making the Audi better for longer trips or more gear.
How much more expensive is the high-performance Audi?
The 2025 Audi RS 5 commands a premium price of $79,900, which is $7,100 more than the base MSRP of $72,800 for the 2025 Porsche 718 Cayman.
Which vehicle offers better fuel economy for consistent driving?
The Porsche 718 Cayman provides superior fuel economy, achieving a combined 24 MPG compared to the Audi RS 5's 20 MPG combined rating, saving on trips requiring premium unleaded fuel.
Does the difference in horsepower greatly affect the driving feel?
Yes, the 144 hp disparity means the RS 5 pulls much harder in all gears, delivering immense pace, whereas the Cayman requires careful management of its 300 hp through its engaging 7-speed automated manual transmission.
Are there differences in size that matter for urban driving?
The Porsche 718 Cayman is considerably smaller and more nimble, measuring 172.4 inches long, while the Audi RS 5 is longer at 188.3 inches, which can affect maneuverability in tight city spaces.
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