2025 McLaren Artura Spider vs 2025 Mercedes-Benz SL-Class
Comparison Overview
The 2025 McLaren Artura Spider arrives as a precision-engineered hybrid missile, boasting 671 hp and an aggressive stance perfectly matched by its $273,800 price tag. Conversely, the 2025 Mercedes-Benz SL-Class offers accessible luxury touring with a more grounded 416 hp and a stellar combined 22 MPG, all starting at a significantly lower $111,950. This comparison pits raw, focused performance against balanced, everyday usability. The Artura Spider screams high-octane passion with its 8-speed automated manual and 178.7-inch length, prioritizing razor-sharp dynamics. The SL-Class, larger at 185.2 inches, focuses on comfort while still delivering respectable power, managing a 22 MPG rating versus the McLaren's implied thirst. With a substantial 255 hp deficit separating the two, the choice hinges on whether uncompromising speed or daily driveability dictates your next convertible.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz SL-Class
The Mercedes-Benz SL-Class wins for commuters due to its superior 22 MPG combined rating compared to the performance-focused McLaren.
2025 Mercedes-Benz SL-Class
The SL-Class offers slightly more space with 7.5 cu ft of cargo capacity and a much lower entry price for family budgets.
2025 McLaren Artura Spider
The Artura Spider dominates enthusiast appeal with a staggering 671 hp output channeled through a focused rear-wheel-drive setup.
2025 Mercedes-Benz SL-Class
With a $161,850 lower MSRP, the Mercedes-Benz SL-Class provides vastly superior value in the premium convertible segment.
Choose the McLaren Artura Spider if...
- You demand uncompromising acceleration, evidenced by its 671 hp output.
- You prefer the immediate, mechanical feel of an 8-speed automated manual transmission.
- You prioritize the smallest possible footprint, measuring just 178.7 inches in length for maximum agility.
Choose the Mercedes-Benz SL-Class if...
- Fuel efficiency is a key concern, highlighted by its 22 MPG combined rating.
- You appreciate luxury touring capability and a $111,950 entry price.
- You need marginally more practical storage space, offering 7.5 cu ft of cargo capacity.
Key Dimensions
| Dimension | McLaren Artura Spider | Mercedes-Benz SL-Class |
|---|---|---|
| Length | 178.7" | 185.2" |
| Width | - | 75.4" |
| Height | 47.0" | 53.5" |
| Wheelbase | 103.9" | 106.3" |
Features Comparison
Safety
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Lane Departure Warning | ✓ | — |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Brake Drying | ✓ | ✓ |
| Brake Preparation System | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Self-Leveling Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Integrated Headrests | ✓ | — |
| Engine Immobilizer | ✓ | ✓ |
| Blind Spot Monitor | — | ✓ |
| Driver Attention Alert | — | ✓ |
| Pre-Collision Safety System | — | ✓ |
| Post-Collision Safety System | — | ✓ |
| Rear Head Airbags | — | ✓ |
| Front Ventilated Disc Brakes | — | ✓ |
| Rear Ventilated Disc Brakes | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
| Integrated Turn Signal Mirrors | — | ✓ |
| Front Power Adjustable Headrests | — | ✓ |
| Rear Headrests | — | 2 |
| Rear Integrated Headrests | — | ✓ |
| Anti-Theft Alarm System (Remote) | — | ✓ |
Engine
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 3.0 L | 2.0 L |
| Number of Cylinders | V6 | inline 4 |
| Base Engine Type | plug-in hybrid | mild hybrid |
| Horsepower | 671 hp @ 7500 rpm | 416 hp @ 6750 rpm |
| Torque | 531 lb-ft @ 2250 rpm | 369 lb-ft @ 3000 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 | McLaren | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed automated manual | 9-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | rear wheel drive |
| Rear Differential Type | Locking | — |
Fuel
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Driving Range (City/Highway) | 0/0 mi. | 351.5/499.5 mi. |
| Fuel Tank Capacity | 17.4 gal. | 18.5 gal. |
| DC Fast Charging Port Type | SAE J1772 | — |
| EPA Fuel Economy (City/Highway) | — | 19/27 MPG |
| EPA Fuel Economy (Combined) | — | 22 MPG |
Comfort & Convenience
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Power Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Audio Controls on Steering Wheel | — | ✓ |
| Front View Camera | — | ✓ |
| Side View Camera | — | ✓ |
| Rear View Camera | — | ✓ |
| Front Parking Sensors | — | ✓ |
| Rear Parking Sensors | — | ✓ |
| Automatic Parking Assist | — | ✓ |
| Wireless Charging Pad | — | ✓ |
| Universal Remote Transmitter | — | ✓ |
| Heated Steering Wheel | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Sun Sensor | — | ✓ |
| Turn Signal Indicators in Mirrors | — | ✓ |
In Car Entertainment
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 8.0 in | 11.9 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 5 | 11 |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Premium Brand Stereo System | — | Burmester |
| Premium Speaker Brand | — | Burmester |
| Stereo Power | — | 650W |
| Subwoofer Count | — | 1 |
| Surround Audio | — | Discrete |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
| Satellite Radio Trial Period | — | 6 months |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 2 | 2 |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
| Reverse Tilt Passenger Mirror | — | ✓ |
Frontseats
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Seat Material: Alcantara | ✓ | — |
| Front Seat Type: Sport | ✓ | ✓ |
| Front Head Room | — | 37.7 in. |
| Front Leg Room | — | 41.5 in. |
| Front Shoulder Room | — | 56.3 in. |
| Seat Material: Premium Leather | — | ✓ |
| Driver Seat Power Adjustments | — | 12-way |
| Driver Seat Height Adjustment | — | ✓ |
| Driver Seat Lumbar Support | — | Power |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 3 |
| Passenger Seat Power Adjustments | — | 12-way |
| Passenger Seat Height Adjustment | — | ✓ |
| Passenger Seat Lumbar Support | — | Power |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
| Driver Seat Heating | — | Multi-level |
| Passenger Seat Heating | — | Multi-level |
| Driver Seat Ventilation | — | ✓ |
| Passenger Seat Ventilation | — | ✓ |
| Seat Massage Function | — | ✓ |
Rearseats
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Rear Head Room | — | 32.7 in. |
| Rear Shoulder Room | — | 44.1 in. |
Tires and Wheels
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 20 x 10.5 in. | 19 x 11.0 in. |
| Tire Type | Performance | Performance |
| Tire Size | 295/30R | 285/40R Z |
Suspension
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | — | ✓ |
| Rear Stabilizer Bar | — | ✓ |
Warranty
| Feature | McLaren | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 5 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 5 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| EV Battery Warranty | 6 yr./ 45000 mi. | — |
| Corrosion/Rust Warranty | 10 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 5 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 3 yr./ unlimited mi. | — |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 McLaren Artura Spider and 2025 Mercedes-Benz SL-Class.
How significant is the power gap between the two convertibles?
The difference is massive, as the 2025 McLaren Artura Spider produces 671 hp, significantly outgunning the Mercedes-Benz SL-Class's 416 hp by 255 horsepower.
Which car is more economical for daily driving?
The Mercedes-Benz SL-Class is the clear winner on efficiency, achieving 22 MPG combined, whereas the track-oriented Artura prioritizes power over its fuel consumption.
What accounts for the major price difference between these two vehicles?
The Artura Spider carries a steep MSRP of $273,800, creating a substantial $161,850 gulf when compared to the SL-Class starting price of $111,950.
Are the transmissions fundamentally different in operation?
Yes, the Artura employs a high-performance 8-speed automated manual, while the SL-Class uses a smoother, traditional 9-speed shiftable automatic.
Does the McLaren's smaller size translate to less practical luggage space?
The Artura Spider is physically smaller and offers only 5.7 cu ft of cargo space, compared to the SL-Class's slightly larger 7.5 cu ft capacity.
Which car offers a more traditional rear-wheel-drive experience?
Both utilize a rear-wheel drive layout, but the Artura’s lower height of 47.0 inches suggests a lower center of gravity optimized for dynamic handling.
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