Acura TSX

From Acura press: The Acura TSX sports sedan was an all-new, clean sheet design for 2009. Improvements came in nearly every category including a bold new exterior design, added interior refinements as well as enhanced driving dynamics. The second generation TSX has been well received by both customers and the automotive press, garnering awards and breaking sales records. For 2010, the TSX receives major enhancements - including an available V-6 engine.

While the TSX with 2.4L I-4 engine produces spirited driving, TSX engineers want to push the performance envelope with an available V-6 package that delivers substantially more power and sportier handling coupled with larger wheels and tires. The new V-6 package further accentuates the TSX's sporty driving character that has become an Acura trademark.

The most significant change to the TSX for 2010 is the availability of an all-new V-6 engine. For the first time, the TSX will be available with a transversely mounted 3.5-liter all-aluminum V-6 engine with single overhead camshaft (SOHC) cylinder heads. The 12 intake valves are actuated by Acura's acclaimed VTEC® (Variable Valve Timing and Lift Electronic Control) system. The compact and efficient V-6 engine produces 280 horsepower and 254 lbs-ft of torque. The power curve has been specially tailored to deliver strong, linear power in the rpm range used in most day-to-day driving conditions.

For 2010, the 2.4-liter DOHC i-VTEC® inline four-cylinder engine remains as the standard engine. The engine offers good acceleration while generating excellent fuel efficiency. The advanced, all-aluminum I-4 engine produces 201 hp and 172 pound-feet of torque (6MT), and incorporates Acura's i-VTEC® "intelligent" valve control system that features Variable Valve Timing and Lift Electronic Control (VTEC®) combined with Variable Timing Control™ (VTC™). Though peak horsepower is virtually unchanged versus the previous generation 2.4L engine, peak torque output has risen by 8 lb-ft. In addition, the engine's torque curve has fattened considerably. Horsepower, for example, is up five percent at 4,400 rpm.

The result is stronger throttle response and better acceleration just about everywhere in the engine's operating range. To achieve these power gains, the engine has a higher compression ratio, new valve timing, and intake and exhaust flow improvements. An aluminum and resin composite intake manifold reduces weight over the previous I-4's aluminum design, while better insulating the engine's incoming airflow from under-hood heat.

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