Infiniti FX

From Infiniti press: Infiniti's breakthrough FX45 continues in 2004 to offer a unique combination of aggressive styling, outstanding performance and luxury car comfort. The FX was conceived on the theme of a "Bionic Cheetah," utilizing advanced technology to create one of the best performing premium crossover SUVs ever imagined. Again for the 2004 model year the FX is available in FX45 and FX35 designations, each offering the practical utility of a SUV with the heart of a sports car.

The all-wheel drive FX45 offers a standard 315-horsepower 4.5-liter DOHC V8 (based on the Infiniti Q45 powerplant) and features standard 20-inch wheels and tires, leather-appointed seats and a sport-tuned 4-wheel independent suspension. The FX35 features a 280-horsepower 3.5-liter V6 and is available in all-wheel or rear-wheel drive models. The FX35 V6 is shared with the award-winning Infiniti G35 sport coupe and sport sedan. All FX models utilize a modified version of the advanced FM (Front Mid-ship) platform enhanced for SUV duties. A similar, less modified version of this platform is also found in the G35 sport coupe and sport sedan.

Two engines are available, starting with the high-performance power of the 4.5-liter DOHC V8. This advanced powerplant, also used in the Infiniti Q45 and M45 sedans, has been specially tuned for use in the FX45 and produces 315 horsepower and 329 lb-ft of torque.

The engine's advanced design includes titanium valves, modular cylinder heads, microfinished crankshaft, lightweight pistons, super-silent single stage cam drive chain and a hydraulically driven cooling fan to help optimize performance. In addition, the VK45DE is outfitted with a variable length air induction system and Continuously Variable Valve Timing Control System (CVTCS) to enhance the engine’s power delivery and operation efficiency.

Also offered is a 3.5-liter DOHC 24-valve V6 engine with aluminum-alloy block and heads and electronically controlled “drive-by-wire” throttle system. Both the standard all-wheel drive and optional rear-wheel drive V6 engine-equipped versions are designated as FX35 models.

The V6 has been tuned specifically for use in the FX35, with a horsepower rating of 280. Torque is rated at 270 lb-ft. A 5-speed automatic transmission with manual shift mode, designed for high torque capacity and light weight, is standard with both V8- and V6-equipped models. A new Snow-Mode function changes the throttle input algorithm in low-speed slippery road conditions (once activated by the driver) for enhanced traction control.

Infiniti’s advanced Vehicle Dynamic Control (VDC) system with Traction Control System is also standard on every 2004 FX. Vehicle Dynamic Control adjusts brake pressure and engine torque automatically in understeer, oversteer or slippery road surface situations, helping the drivers keep their intended paths.

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