2025 Genesis G80 vs 2025 Porsche 718 Cayman
Comparison Overview
The most significant initial divergence between the 2025 Genesis G80 and the 2025 Porsche 718 Cayman is the Manufacturer's Suggested Retail Price (MSRP), with the G80 starting at $57,100 versus the Cayman's $72,800, representing a $15,700 disparity. Power figures are closely matched; both produce 300 horsepower, though the G80 leads in torque output with 311 lb-ft compared to the Cayman's 280 lb-ft. The G80, a larger sedan measuring 196.7 inches in length, utilizes an All-Wheel Drive (AWD) system, whereas the smaller, sportier Cayman (172.4 inches long) is Rear-Wheel Drive (RWD). Fuel economy is identical at 24 MPG combined for both models using premium fuel. While the Cayman offers slightly more dedicated cargo space at 15.0 cu ft versus the G80's 13.1 cu ft, the G80’s greater physical footprint translates to superior interior volume for passengers.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Genesis G80
The Genesis G80 offers more conventional sedan utility, including standard AWD, making it better suited for varied daily driving conditions than the RWD Cayman coupe.
2025 Genesis G80
The Genesis G80 is fundamentally a larger sedan with dimensions better suited for passengers and features a higher overall capacity than the two-seater Cayman.
2025 Porsche 718 Cayman
The Porsche 718 Cayman, despite having less torque (280 lb-ft vs. 311 lb-ft), is engineered as a dedicated sports coupe with RWD, emphasizing pure driving dynamics.
2025 Genesis G80
The Genesis G80 delivers equal horsepower (300 hp) and superior torque (311 lb-ft) for a significantly lower starting price of $57,100.
Choose the Genesis G80 if...
- You require a base MSRP under $60,000 while retaining 300 horsepower.
- All-wheel drive capability is a necessity for adverse weather conditions.
- You prioritize greater interior room and a longer body structure (196.7 inches).
Choose the Porsche 718 Cayman if...
- A purist driving experience via Rear-Wheel Drive and a 7-speed automated manual transmission is preferred.
- You seek the highest dedicated cargo volume, measuring 15.0 cu ft in the dedicated sports configuration.
- The $15,700 premium over the G80 is acceptable for the Porsche brand prestige and dedicated coupe architecture.
Key Dimensions
| Dimension | Genesis G80 | Porsche 718 Cayman |
|---|---|---|
| Length | 196.7" | 172.4" |
| Width | 75.8" | 70.9" |
| Height | 57.7" | 51.0" |
| Wheelbase | 118.5" | 97.4" |
Features Comparison
Safety
| Feature | Genesis | Porsche |
|---|---|---|
| Blind Spot Monitor | ✓ | — |
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Rear Cross Traffic Alert | ✓ | — |
| Driver Attention 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 |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Solid 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 Height Adjustable Headrests | ✓ | — |
| Rear Headrests | 3 | — |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Rear Ventilated Disc Brakes | — | ✓ |
| Brake Preparation System | — | ✓ |
| Xenon High-Intensity Discharge Headlights | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
| Headlight Washers | — | ✓ |
| Front Integrated Headrests | — | ✓ |
| Engine Immobilizer | — | ✓ |
Engine
| Feature | Genesis | Porsche |
|---|---|---|
| Base Engine Displacement | 2.5 L | 2.0 L |
| Number of Cylinders | inline 4 | flat 4 |
| Base Engine Type | gas | gas |
| Horsepower | 300 hp @ 5800 rpm | 300 hp @ 6500 rpm |
| Torque | 311 lb-ft @ 1650 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 | Genesis | Porsche |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 7-speed automated manual |
| Drivetrain Type | all wheel drive | rear wheel drive |
| Center Differential Type | Limited Slip | — |
Fuel
| Feature | Genesis | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 20/29 MPG | 21/27 MPG |
| EPA Fuel Economy (Combined) | 24 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 344.0/498.8 mi. | 298.2/383.4 mi. |
| Fuel Tank Capacity | 17.2 gal. | 14.2 gal. |
Comfort & Convenience
| Feature | Genesis | 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 | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | — |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Overhead Console with Storage | ✓ | — |
| Front Seatback Storage | ✓ | — |
| Leather Steering Wheel | ✓ | ✓ |
| Heated Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | — |
| Extended Cabin Heating/Cooling | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | — |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Cruise Control | — | ✓ |
| Interior Air Filtration | — | ✓ |
In Car Entertainment
| Feature | Genesis | Porsche |
|---|---|---|
| Infotainment Display | 27.0 in | — |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 12 | 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 |
| Stereo Power | — | 150W |
| Apple CarPlay (Wired) | — | ✓ |
| Memory Card Slot | — | ✓ |
Power Feature
| Feature | Genesis | Porsche |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Genesis | Porsche |
|---|---|---|
| Front Head Room | 40.9 in. | — |
| Front Leg Room | 42.2 in. | — |
| Front Shoulder Room | 58.3 in. | — |
| Seat Material: Leatherette | ✓ | — |
| 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 | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Material: Leather | — | ✓ |
| Front Seat Type: Sport | — | ✓ |
| Driver Seat Manual Adjustments | — | 4-way |
| Passenger Seat Manual Adjustments | — | 4-way |
Rearseats
| Feature | Genesis | Porsche |
|---|---|---|
| Rear Head Room | 38.2 in. | — |
| Rear Leg Room | 38.7 in. | — |
| Rear Shoulder Room | 57.1 in. | — |
| Split-Folding Rear Seatback | ✓ | — |
| Folding Center Armrest | ✓ | — |
| Heated Rear Seats (Multi-Level) | ✓ | — |
Tires and Wheels
| Feature | Genesis | Porsche |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 18 x 8.0 in | 18 x 9.5 in. |
| Tire Type | All Season | Performance |
| Tire Size | 245/50R18 | 265/45R Z |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
Suspension
| Feature | Genesis | Porsche |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Genesis | Porsche |
|---|---|---|
| Basic Warranty | 5 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 10 yr./ 100000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 7 yr./ unlimited mi. | 12 yr./ unlimited mi. |
| Roadside Assistance | 5 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 3 yr./ 36000 mi. | — |
Frequently Asked Questions
Common questions about comparing the 2025 Genesis G80 and 2025 Porsche 718 Cayman.
Which vehicle has better fuel economy between the G80 and the 718 Cayman?
Both vehicles are rated identically for combined fuel economy at 24 MPG. The Porsche 718 Cayman achieves slightly better city mileage (21 MPG) than the Genesis G80 (20 MPG), but the G80 edges out the Cayman slightly on the highway (29 MPG vs. 27 MPG).
How significant is the torque difference, and does it affect performance?
The Genesis G80 produces 311 lb-ft of torque, substantially more than the 718 Cayman's 280 lb-ft, suggesting the G80 will have stronger initial acceleration in normal driving scenarios due to this 31 lb-ft advantage.
Why is the Porsche 718 Cayman $15,700 more expensive than the Genesis G80?
The $55,800 MSRP difference reflects the Cayman's status as a dedicated, lower-volume, performance-focused RWD sports coupe compared to the G80's position as a mainstream luxury AWD sedan.
Which car offers better utility for carrying cargo?
The Porsche 718 Cayman technically offers a slightly larger cargo capacity at 15.0 cu ft compared to the Genesis G80's 13.1 cu ft, despite the G80 being a significantly larger vehicle overall.
What is the key drivetrain difference between these two luxury vehicles?
The 2025 Genesis G80 comes equipped with standard All-Wheel Drive (AWD) coupled to an 8-speed automatic transmission, while the 2025 Porsche 718 Cayman utilizes a Rear-Wheel Drive (RWD) setup with a 7-speed automated manual transmission.
Are both cars compatible with regular unleaded gasoline?
No, neither vehicle supports regular fuel; both the G80 and the Cayman mandate the use of premium unleaded gasoline for optimal performance, although the G80 recommends it while the Cayman requires it.
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