The M35 utilizes an advanced DOHC 3.5-liter V6 rated at 275 horsepower and 268 lb-ft of torque. The V6 is part of the award-winning VQ engine series also found in the G35 and FX35, and includes aluminum-alloy block and heads and electronically controlled “drive-by-wire” throttle system. Both engines are mated to a standard 5-speed automatic transmission with performance shifter and manual shift mode with downshift rev matching.
Every Infiniti M utilizes an enhanced next-generation FM (Front Mid-ship) platform also used on the G35 Sedan, G37 Coupe and FX premium crossover SUV.
The refined FM platform positions the engine behind the front axle. This positioning results in an optimized front-to-rear weight balance, which factors in weight transfer during key handling maneuvers.
The M suspension is an independent double-wishbone design in front and multi-link independent system in the rear, along with front and rear stabilizer bars.
The Infiniti M’s large diameter wheels and tires are positioned out near the corners of the vehicle, helping to further enhance handling and driving excitement. For 2008, the M features new split 5-spoke 18-inch aluminum-alloy wheels with titanium finish and new, unique split 5-spoke 19-inch aluminum-alloy wheels for Sport Package-equipped models. Aggressive low-profile tires, sized 245/45VR18 and 245/40WR19 (Sport Package only), are standard.
The M also utilizes standard 4-wheel power-assisted vented disc brakes with Anti-lock Braking System (ABS) and Electronic Brake force Distribution (EBD) and Brake Assist (BA). The steering system is an electronically controlled vehicle-speed-sensitive power-assisted rack-and-pinion design. Every Infiniti M also features Infiniti’s advanced Vehicle Dynamic Control (VDC) with Traction Control System (TCS). VDC adjusts brake pressure and engine torque automatically in understeer, oversteer or slippery road surface situations, helping the driver keep the intended path.
For drivers seeking the enhanced all-climate performance of all-wheel drive, the M35x and M45x models feature the ATTESA E-TS™ (Advanced Total Traction Engineering System for All Electronic Torque Split) all-wheel drive system also utilized on FX45 and FX35 AWD. It uses an advanced torque split control strategy that automatically transfers optimum torque to the wheels according to road and driving conditions.
The ATTESA E-TS™ system provides sports car-like handling and cornering capability due to optimum torque distribution between the front and rear wheels (50:50 up to 0:100). ATTESA E-TS™ also provides high starting traction performance and smooth, stable acceleration, especially in snow-covered or off-road situations with a 50:50 torque split at standing start. Combined with the vehicle’s VDC system, each wheel receives the appropriate amount of torque when needed.
“We’re proud to add the new M45x AWD model to the M lineup for 2008,” said Igo. “It’s ideal for areas of the country that experience inclimate weather conditions, as well as for drivers seeking the added handling and control benefits of all-wheel drive.”
The handling and stability of the Infiniti M Sport models is further optimized by Infiniti’s Rear Active Steer system. Unlike passive rear steering systems, this design features precise, electronic motor-driven control. This system helps improve the M Sport’s handling performance by adjusting the geometry of the rear suspension according to steering input and vehicle speed.
The system’s electronic control unit calculates the desired vehicle dynamics from a series of sensors, including vehicle speed and steering angle, and directs the system actuator to change rear geometry by moving both rear suspension lower links. The result is sports car-like agility, combined with luxury sedan stability and ride quality.
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