The Mazdaspeed 3 has been finally launched in the U.S., joining the many many other cars that have been unveiled there by other manufacturers. While Ford chose to go with Volvo inline-5 engines for the hot hatch versions of the technically similiar Focus, Mazda developed their own turbocharged 2.3 liter direct injection online-4 engine for the Mazda 3 and Mazda 6.

The new Mazdaspeed 3 (also called the Mazda 3 MPS) comes in the 5-door body, and its engine puts out 263 horses at 5,500rpm and 380Nm of torque at 3,000rpm, not quite up there with the ultra-quick spooling ability of Volkswagen and BMW turbo engines but somehow only the European marques seem to be able to achieve that.

The 6-speed transmission’s gear ratios (gear 2 to 5) have also been revised to be slightly taller to take advantage of all 380 Newton meters of torque. There is a torque management system which tries to rein in the torque steer based on which gear the car is in and the steering angle.

(Source) Paul Tan

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