2025 Mercedes-Benz E-Class vs 2025 Porsche 718 Cayman
Comparison Overview
The 2025 Mercedes-Benz E-Class epitomizes refined luxury, offering an effortlessly elegant ride, while the 2025 Porsche 718 Cayman injects pure, undiluted driving adrenaline into the equation. The Mercedes commands the refined highway commute with a respectable 28 MPG combined rating and 255 hp propelling its smooth RWD platform, all starting at an MSRP of $62,450. Conversely, the Cayman unleashes 300 hp from its mid-engine layout, sacrificing some economy for visceral speed, evident in its 24 MPG combined rating. While the E-Class boasts a larger footprint at 194.9 inches long, providing a conventional sedan experience, the lithe Cayman prioritizes handling with a lower stance at 51.0 inches high. The $10,350 price disparity highlights a choice between opulent, daily comfort (E-Class) and focused, track-ready engagement (Cayman), separated by a 45 hp performance gap favoring Porsche.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz E-Class
The Mercedes-Benz E-Class wins for commuters due to its superior fuel economy of 28 MPG combined versus the Cayman's 24 MPG.
2025 Mercedes-Benz E-Class
The E-Class sedan design offers greater practicality and likely superior rear passenger space compared to the strictly two-seat Cayman coupe.
2025 Porsche 718 Cayman
The Porsche 718 Cayman provides significantly higher output with 300 hp, appealing directly to driving purists seeking peak performance.
2025 Mercedes-Benz E-Class
The E-Class delivers a premium luxury experience at a substantially lower entry price point of $62,450 compared to the Cayman's $72,800 MSRP.
Choose the Mercedes-Benz E-Class if...
- Your priority is daily driving comfort and efficiency, scoring 28 MPG combined.
- You require the interior volume associated with a longer sedan body measuring 194.9 inches.
- Budget sensitivity dictates a lower entry cost, starting at $62,450.
Choose the Porsche 718 Cayman if...
- You desire maximum raw power, boasting 300 hp and a focused driving experience.
- You prefer the quick shifts and engaging nature of the 7-speed automated manual transmission.
- A lower ride height (51.0 inches) and dedicated sports coupe proportions are essential to your driving style.
Key Dimensions
| Dimension | Mercedes-Benz E-Class | Porsche 718 Cayman |
|---|---|---|
| Length | 194.9" | 172.4" |
| Width | 74.0" | 70.9" |
| Height | 57.9" | 51.0" |
| Wheelbase | 116.6" | 97.4" |
Features Comparison
Safety
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Blind Spot Monitor | ✓ | — |
| Driver Attention Alert | ✓ | — |
| 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 |
| Brake Drying | ✓ | — |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | ✓ |
| Brake Preparation System | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | — |
| Adaptive Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | — |
| Front Headrests | 2 | 2 |
| Front Power Adjustable 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 | — | ✓ |
| Cornering Lights | — | ✓ |
| Headlight Washers | — | ✓ |
| Front Integrated Headrests | — | ✓ |
Engine
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | flat 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 255 hp @ 5800 rpm | 300 hp @ 6500 rpm |
| Torque | 295 lb-ft @ 2000 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 | Mercedes-Benz | Porsche |
|---|---|---|
| Transmission Type | 9-speed shiftable automatic | 7-speed automated manual |
| Drivetrain Type | rear wheel drive | rear wheel drive |
Fuel
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 25/33 MPG | 21/27 MPG |
| EPA Fuel Economy (Combined) | 28 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 435.0/574.2 mi. | 298.2/383.4 mi. |
| Fuel Tank Capacity | 17.4 gal. | 14.2 gal. |
Comfort & Convenience
| Feature | Mercedes-Benz | 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 | ✓ | ✓ |
| Front View Camera | ✓ | — |
| Side View Camera | ✓ | — |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Automatic Parking Assist | ✓ | — |
| Wireless Charging Pad | ✓ | — |
| 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 | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | — |
| Tilt and Telescopic Steering Wheel | — | ✓ |
In Car Entertainment
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Infotainment Display | 14.4 in | — |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | 8 |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 6 months | 3 months |
| Stereo Power | — | 150W |
| Apple CarPlay (Wired) | — | ✓ |
| Memory Card Slot | — | ✓ |
Power Feature
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Front Head Room | 37.3 in. | — |
| Front Leg Room | 41.5 in. | — |
| Front Shoulder Room | 57.8 in. | — |
| Seat Material: Leatherette | ✓ | — |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Power Adjustments | 10-way | 2-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Thigh Extension | ✓ | — |
| Driver Seat Memory Settings | 3 | — |
| Passenger Seat Power Adjustments | 10-way | 2-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Passenger Seat Thigh Extension | ✓ | — |
| Passenger Seat Memory Settings | 3 | — |
| 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 | Mercedes-Benz | Porsche |
|---|---|---|
| Rear Head Room | 37.6 in. | — |
| Rear Leg Room | 36.2 in. | — |
| Rear Shoulder Room | 57.1 in. | — |
| Split-Folding Rear Seatback | ✓ | — |
| Folding Center Armrest | ✓ | — |
Tires and Wheels
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Size | 18 x 8.0 in | 18 x 9.5 in. |
| Tire Size | 225/55R18 | 265/45R Z |
| Run Flat Tires | ✓ | — |
| Wheel Material | — | Alloy |
| Tire Type | — | Performance |
Suspension
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Mercedes-Benz | Porsche |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Hybrid Component Warranty | 6 yr./ 62000 mi. | — |
| Corrosion/Rust Warranty | 4 yr./ 50000 mi. | 12 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Mercedes-Benz E-Class and 2025 Porsche 718 Cayman.
How significant is the performance gap between the 2025 E-Class and the 718 Cayman?
The Porsche 718 Cayman holds a distinct advantage with 300 hp compared to the Mercedes E-Class's 255 hp, a 45 hp difference indicating a much more performance-oriented machine.
Which vehicle is better suited for long-distance driving comfort?
The 2025 Mercedes-Benz E-Class, being a larger sedan (194.9 inches long), is engineered for superior long-haul refinement, whereas the lower, shorter Cayman prioritizes agility over outright comfort.
How does the fuel consumption compare between these two premium vehicles?
The E-Class is notably more efficient, achieving 28 MPG combined (25 city/33 highway), while the higher-output Cayman is rated slightly lower at 24 MPG combined (21 city/27 highway).
Is the cargo capacity significantly different?
Yes, despite being a sedan, the E-Class offers 12.7 cu ft of trunk space, slightly less than the 15 cu ft available in the specialized layout of the 718 Cayman coupe.
What is the primary deciding factor regarding the drivetrain configuration?
Both vehicles utilize Rear Wheel Drive (RWD), but the E-Class employs a traditional 9-speed shiftable automatic, while the Cayman opts for a specialized 7-speed automated manual transmission geared toward aggressive driving inputs.
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