With a combination of a high-output twin-turbo V6 and torque-vectoring Sport Hybrid SH-AWD® three-motor hybrid system, the second generation NSX drivetrain has been groundbreaking since the supercar launched in 2016. Enhanced for the new NSX Type S, it produces the highest combined output of any drivetrain in any road-going Acura ever, with a combined system output of 600 horsepower and 492 lb.-ft. of torque.

Hand-built in a special facility at the Anna Engine Plant in Ohio, the supercar’s exclusive twin-turbocharged 3.5-liter 75-degree V6 engine is enhanced with new fuel injectors (providing a 25 percent higher flow rate), new intercoolers (capable of dissipating an additional 15 percent more heat), and new turbochargers shared with the NSX GT3 Evo (delivering a 5.6 percent increase peak boost pressure from 15.2 to 16.1 psi.). The result is an increase in engine output from 500 hp to 520 hp and 406 lb.-ft. of torque to 443 lb.-ft.

The gear ratio for the Twin Motor Unit (TMU) that powers the front wheels and provides active torque vectoring in corners has been lowered to 10.382:1 from 8.050:1. This 20 percent lower ratio increases off-the-line torque, giving NSX a powerful launch.

Additionally, the supercar’s Intelligent Power Unit (IPU) providing power to the electric motors is used more efficiently. This allows for a 20 percent higher usable battery capacity, and 10 percent greater battery output. The higher capacity and output allowed engineers to retune the electric motors in the Sport Hybrid SH-AWD® system for enhanced performance in all four modes of the Integrated Dynamics System (see below) and deliver extended EV range.

NSX Type S routes power through a 9-speed dual-clutch transmission (DCT), which has been retuned for even greater performance. Enhancements include an all-new Rapid Downshift Mode, more aggressive automatic downshifting, even faster upshifts in Sport and Sport+ modes and a higher rev threshold for downshifts in Track mode.

In Sport mode and above, the new Rapid Downshift allows the driver to skip several gears at a time by holding down the downshift paddle, rather than clicking through individual gears. When the paddle is held down for 0.6 seconds, the transmission automatically selects the lowest possible gear for the vehicle’s speed, reducing the amount of time spent shifting and allowing the driver to apply throttle even more quickly.

Using the paddles to upshift in Sport and Sport+ modes has been improved with new programming that engages the clutch up to 50 percent faster from the moment the paddle is activated, improving acceleration.

If the paddles are not used while in Sport+ mode, the transmission downshifts almost immediately when brake pressure is applied, such as when slowing for a corner. This helps maintain stability by changing gears while the car is in a straight line and sets up NSX for even faster acceleration out of corners by optimizing engine speed.

Transmission behavior in Track mode has been improved as well, allowing NSX Type S to downshift earlier thanks to a rev threshold that has been increased by 1,500 rpm. This change lets NSX Type S drivers activate the downshift paddle earlier during deceleration.

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