2011 Infiniti QX56 First Drive Specs | Edmunds

2011 INFINITI QX56 - Road Test Specs

2011 Infiniti QX56 SUV

(5.6L V8 4x4 7-speed Automatic)


Year Make Model2011 Infiniti QX56 4dr SUV 4WD (5.6L 8cyl 7A)
Vehicle Type4WD 4dr 7-passenger SUV
Estimated MSRP$60,750 (base), $71,850 (as tested)
Assembly locationKyushu, Japan


ConfigurationLongitudinal, front-engine, four-wheel drive
Engine typeNaturally aspirated, direct-injected, V8, gasoline
Displacement (cc/cu-in)5,552cc (339cu-in)
Block/head materialAluminum/aluminum
ValvetrainDOHC, 4 valves/cylinder variable intake + exhaust-valve timing and lift
Compression ratio (x:1)10.8
Horsepower (hp @ rpm)400 @ 5,800
Torque (lb-ft @ rpm)413 @ 4,000
Fuel typePremium unleaded (recommended)
Transmission type7-speed automatic with console shifter, and manual, winter and tow modes
Transmission ratios (x:1)I = 4.887, II = 3.170, III = 2.027, IV = 1.412, V = 1.000, VI = 0.864, VII = 0.775
Final-drive ratio (x:1)2.94
Transfer-case ratio (x:1)2.70


Suspension, frontIndependent, double-wishbone, coil springs, optional passive hydraulic body motion control system (in place of stabilizer bar)
Suspension, rearIndependent double-wishbone, coil springs, Nivomat self-leveling dampers, optional passive hydraulic body motion control system (in place of stabilizer bar)
Steering typeHydraulic-assist, engine speed-proportional, rack-and-pinion power steering
Steering ratio (x:1)19.7
Tire make and modelBridgestone Dueler H/T 684 II (optional)
Tire typeAll season front and rear
Tire sizeP275/50R22 111H
Wheel size22-by-8.0-inch
Wheel materialForged aluminum
Brakes, front13.8-by-1.2-inch ventilated disc with 2-piston sliding caliper
Brakes, rear13.8-by-0.8-inch ventilated disc with single-piston sliding caliper

Fuel Consumption

Fuel economy, mfr. est. (mpg)14 mpg city/20 mpg highway/16 mpg combined
Fuel tank capacity (U.S. gal.)26.0

Audio and Advanced Technology

Stereo description13-speaker Bose audio system (including two subwoofers) with AM/FM radio, single in-dash CD/DVD player with MP3 playback capability
iPod/digital media compatibilityStandard iPod via USB jack
Satellite radioStandard XM
Hard-drive music storage capacity (Gb)Standard 9.3GB music storage capacity
Rear seat video and entertainmentOptional rear DVD player with dual 7-inch screens, wireless headphones (2), RCA inputs and 115-volt outlet
Bluetooth phone connectivityStandard, includes streaming audio for Bluetooth-enabled devices
Navigation systemStandard hard drive-based system with traffic/weather updates and Zagat ratings; 8-inch display screen (measured diagonally)
Telematics (OnStar, etc.)Not available
Smart entry/StartStandard, controls ignition, doors and power liftgate
Parking aidsStandard perimeter + back-up camera system (Around View Monitor)
Blind-spot detectionOptional
Adaptive cruise controlOptional (all-speed)
Lane-departure monitoringOptional
Collision warning/avoidanceOptional
Night VisionNot available
Driver coaching displayNot available

Dimensions & Capacities

Curb weight, mfr. claim (lbs.)5,850
Length (in.)208.3
Width (in.)79.9
Height (in.)75.8
Wheelbase (in.)121.1
Track, front (in.)67.5
Track, rear (in.)67.9
Turning circle (ft.)41.0
Legroom, front (in.)39.6
Legroom, rear (in.)41.0
Legroom, 3rd row (in.)28.8
Headroom, front (in.)39.9
Headroom, rear (in.)40.0
Headroom, 3rd row (in.)36.8
Shoulder room, front (in.)63.8
Shoulder room, rear (in.)63.5
Shoulder room, 3rd row (in.)60.5
Seating capacity7 (8 with optional second-row 60/40 bench)
Max cargo volume behind 1st row (cu-ft)95.1
behind 3rd row (cu-ft)16.6
GVWR (lbs.)7,500
Tow capacity, mfr. claim (lbs.)8,500
Ground clearance (in.)9.2
Approach angle (degrees)20.9
Departure angle (degrees)22.3
Breakover angle (degrees)20.7


Bumper-to-bumper4 years / 60,000 miles
Powertrain6 years / 70,000 miles
Corrosion7 years / Unlimited miles
Roadside assistance4 years / 60,000 miles

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