The 2009 Infiniti QX56 comes equipped with a 5.6-liter V-8 that generates 320 horsepower and 393 lb-ft of torque. With this, the QX56 offers one of the most powerful Infiniti experiences.
Aside from its major overhaul of the QX56 in 2008, the Infiniti lineup has few changes for the 2009 model year. The model’s upgrades this year mostly involve electronic additions and luxury accessories.
Body style: four-door sport utility vehicle
Engines: 5.6-liter V-8
Transmissions: five-speed automatic
Models: Infiniti QX56
Infiniti expands the Infiniti sport utility vehicle lineup with the QX56 model for those antsy (and willing to pay) for a more powerful off-road vehicle and heavy-duty hauler. It offers a beastly towing capability, as most of its peak torque falls below 2500 rpm. Other standard offerings include rear drive and four-wheel drive versions of the 2009 Infiniti QX56 and an auto mode for extra traction. The auto mode can send up to half of the engine’s torque to the front wheels when the driver needs more traction. The sport utility vehicle also offers seating for eight, HID xenon automatic headlights, dual-zone automatic climate control, and memory settings for the driver’s seat.
Other standard safety features include electronic stability control, four-wheel anti-lock brakes, active front head restraints, and side-impact airbags with rollover protection. Rear parking sensors and a rear-view camera make parking a cinch. When off-roading or towing, auto leveling air suspension ensures uniform ground clearance and a safe departure angle.
The 320-horsepower engine is something special. It has an aluminum block with cast iron liners, molybdenum-coated pistons, a forged steel crankshaft, and a heavy-duty cooling system for durability, so this beast can pull up to 9,000 pounds.
As a four-door SUV with a boxed steel frame, the high-powered QX56 provides a luxurious yet powerful look. A long list of luxury and safety features come standard on the 2009 Infiniti QX56. The one drawback remains huge blind spots due to its length, squared-off profile, and high side sills.
The 2009 Infiniti QX56 provides ample seating space for eight passengers. Infiniti uses standard luxury features such as leather-appointed seating for all three rows and a heated second row. The ride stays quiet with a Bose premium audio system. The audio includes an AM/FM stereo with XM satellite radio, a 9.3 gigabyte Music Box hard drive for music storage and playback, a CompactFlash slot for playing MP3 or WMA music files, and 12 speakers; including subwoofer, amplifier, and third-row audio. Bluetooth technology and illuminated audio make travel communication easy. Another standard piece of equipment is the Homelink universal garage door opener.
Performance & Handling
The 2009 Infiniti QX56, with its 5.6-liter V-8, offers enough torque to easily pull the same loads as most trucks. It also proves itself as a cruiser, as the suspension eases over road hassles with surprising poise and little wind noise. The Infiniti’s large size and blind spots do affect outward visibility, but auto leveling helps with that problem. However, the gas bill and rollover rating remain unappealing.
The 2009 Infiniti QX56 comes standard with active front head restraints and side impact air bags with rollover protection for all three rows. Also standard are anti-lock disc brakes and stability control. Driver and passenger side impacts both receive a two-star rating from the National Highway Traffic Safety Administration. Other safety features include an electronic brakeforce distribution system with brake assist, vehicle dynamic control, traction control, brake shift interlock, a rear-view camera, a rear sonar system, three-point safety belts including front height-adjustable shoulder anchors, pre-tensioners and load limiters, a lower anchor-and-tether system for children, and an energy-absorbent steering column.
EPA Fuel Economy
Infiniti QX56: 12/17 mpg city/highway
- Hauling capability
- Roomy seating
- Safety equipment
You Won't Like
- Gas bill
- Rollover rating
- Side-impact ratings
Truck-like towing boasting a high standard of luxury.
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