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2105 Acura NSX Powertrain Details: One V6, Two Turbos And Three Electric Motors

Finding replacements for displacement.

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The Acura NSX has never been about brute power or engine size. When it first appeared in 1990, it was powered by a 3.0 liter V6 making 270 horsepower and its power never really increased over the car’s 15 year lifespan. By 2005, it was severely outclassed by the cars it had once fought as equals; 1990’s Ferrari 348 made a similar 300 horsepower, but by 2005, Ferrari was on its great-grandson, the F430—and that guy made 483 horsepower.

So the NSX accumulated a reputation as an underpowered car over the years. NSX? Oh, he’s a great car—friendly, agile, good in the slalom and fun on a backroad. He’s just a little…slow off the line, y’know? And when Honda revealed the new NSX was going to remain V6 powered—albeit with some hybrid help in the form of electric motors, but still—it seemed like they weren’t going out of their way to change that rep.

Until Honda revealed that the 2015 Acura NSX‘s V6 would be turbocharged.

That bit of news comes from Car and Driver, who learned the news at the Tokyo Auto Show last week. It appears the 2015 NSX will come packing a twin-turbo V6 only distantly related to other six-cylinders in Honda’s lineup—the NSX V6’s will have a 90-degree bank angle, whereas other Honda V6 engines have a 60-degree angle. Displacement should be in the 3.6-liter-to-4.0-liter range. This comes on top of not one, not two, but three electric motors adding supplementary thrust to all four wheels—one motor for each front wheel, one more integrated into the tranny. Total combined output, then, is likely to be more than 500 horsepower—but with a seven-speed dual clutch and the instant-on torque of the electric motors, the 2015 Acura NSX will likely accelerate more like cars that have more than 600 horsepower. Or 700.

Man, we can’t wait until 2015. [via Car and Driver]


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