McLaren Shows Off 710-horsepower V8 In New 720S Supercar

McLaren 720S Super Series

When you unlock the doors to your new McLaren 720S, the engine bay will illuminate in searing blood red as part of the welcome greeting. If that’s not enough motivation to sink more than a quarter million dollars into the latest street foe for the Ford GT and Ferrari 488, then perhaps the 710-horsepower twin-turbo 4.0-liter V8 will excite your pocketbook.

McLaren released a little more information on the M480T engine when the automaker unveiled the 720S at the Geneva Auto Show on Tuesday. The 720S replaces the 650S, which was powered by the award-winning M838T 3.8-liter V8. McLaren says the new engine is based on the previous architecture but will feature 41 percent new parts, including crankshaft, cylinder heads, pistons, turbochargers and exhaust.

The engine bay lights up as part of the opening routine when the car is unlocked.

Some questions were still left unanswered about the new engine. The previous 3.8-liter sported a flat-plane crank and didn’t have direct injection. Most likely the 180-degree crankshaft will carry over but there hasn’t been any mention in the world press so far if McLaren stepped up to DI for the new engine.

The M480T replaces the 3.8-liter M838T in the McLaren supercar.

The M480T is rated at 720PS or 710 horsepower at 7,500 rpm. Peak torque is 770 Nm or 568 lb-ft at 5,500 rpm. Redline is listed at 8,500 rpm. Zero-to-sixty performance is estimated at 2.8 seconds. According to press reports, the driver will have a choice of two exhaust notes with the car. Throttle response is expected to improve with the use of ultra-low inertia, twin-scroll turbochargers.

About the author

Mike Magda

Mike Magda is a veteran automotive writer with credits in publications such as Racecar Engineering, Hot Rod, Engine Technology International, Motor Trend, Automobile, Automotive Testing Technology and Professional Motorsport World. He was the editor of four national automotive magazines, including Chevy High Performance, and has authored hundreds of automotive technical briefings. In covering nearly every type of motorsport, Mike has collaborated with many of racing's top engine builders and factory engineers.
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