McLaren 720S Spider: Ultimate Open-Top Performance

The McLaren 720S Spider stands out as a pinnacle of engineering in the supercar world, blending ferocious power with the freedom of open-air driving. Powered by a 4.0-liter twin-turbocharged V8 engine producing 710 horsepower and 568 lb-ft of torque, this convertible maintains nearly identical performance to its coupe counterpart despite the added weight of the retractable roof.

Powertrain and Acceleration Excellence

At the heart of the 720S Spider lies McLaren’s M840TR 4.0-liter V8, featuring dual port injection for superior throttle response. This setup eschews direct injection trends, prioritizing quick on-off throttle behavior that’s evident in real-world driving. The engine propels the car from 0-60 mph in 2.8 seconds, covers the quarter-mile in 10.3-10.4 seconds at around 143 mph, and reaches a top speed of 212 mph with the roof up—or 202 mph top-down due to aerodynamic drag.

Paired with a seven-speed dual-clutch automatic transmission, power delivery is seamless, with a brief turbo deliberation before explosive acceleration. Independent tests confirm these figures, with the Spider matching the coupe’s prowess, only marginally slower in some metrics like 0-200 km/h by a tenth of a second.

This table highlights the Spider’s minimal compromises, thanks to McLaren’s lightweight design.

Convertible Engineering Marvel

McLaren’s retractable hardtop operates in 11 seconds at speeds up to 31 mph, offering modes for varied weather and moods. The rear glass adjusts independently to amplify exhaust notes or reduce turbulence. Crucially, the Monocage II-S carbon-fiber tub requires no extra reinforcements, eliminating cowl shake or flex even on demanding roads. At 49-108 lbs heavier than the coupe, structural integrity remains impeccable.

• Roof Operation: Quick 11-second cycle, usable at low speeds.
• Wind Management: Adjustable rear screen enhances audio or comfort.
• Chassis Rigidity: No added braces needed, preserving coupe dynamics.

Handling and Ride Dynamics

The Proactive Chassis Control II system uses hydraulic stabilizers instead of sway bars, enabling precise cornering adjustments. Available in Comfort, Sport, and Track modes, it delivers a supple ride for daily use while excelling on twisty roads. Electrohydraulic steering provides unmatched precision and feedback, described as a ‘window on the world’ with no wasted motion.

Braking with Akebono calipers halts from 70-0 mph in 141 feet, and the car grips at 1.09 g on skidpads. Daily driving feels approachable, with excellent visibility, adjustable seating, and intuitive controls—rare for high-strung supercars.

Interior Refinement and Technology

The cockpit impresses with premium materials, driver-focused layout, and excellent outward visibility. The low-slung seats offer ample adjustment, and the vertically oriented 8-inch infotainment screen is functional despite being below average in flair. No cowl shake intrudes, and noise levels match the coupe with roof up, though tire drone appears on rough surfaces.

• Seating: Low position with perfect pedal and wheel placement.
• Infotainment: Vertical display, forward-thinking design.
• Luxury: On par with rivals, superior to McLaren’s entry models.

Design and Visual Appeal

Curvaceous lines amplify with the Spider’s roof stowed, enhancing drama without disrupting aerodynamics. Dihedral doors and sculpted haunches maintain McLaren’s aesthetic, making it visually striking even among Ferrari and Lamborghini peers.

Pricing and Market Position

Starting at around $315,000, the 720S Spider justifies its cost with balanced performance and comfort. It outperforms expectations where others falter in convertibles, positioning it as the top choice in the $300,000+ segment.

Pros and Cons Overview

Frequently Asked Questions

Is the 720S Spider slower than the coupe?

No significant difference; 0-60 mph is 2.8 seconds for both, with top speeds matching at 212 mph roof-up.

How quick is the roof operation?

11 seconds to open or close, operable up to 31 mph.

What makes the steering special?

Electrohydraulic system offers precise feedback and no play, outperforming electric rivals.

Is it practical for daily driving?

Yes, with comfortable ride modes, good visibility, and easy low-speed handling.

What’s the engine configuration?

4.0L twin-turbo V8, 710 hp, 568 lb-ft, seven-speed DCT.