Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2011 Infiniti QX56 luxury SUV. The 2011 QX56 features a 5.6 liters V8 engine matted with a Automatic; 7-speed with manual shift mode transmission.


2011 Infiniti QX56 Technical Specifications
BODY/CHASSIS
Body type Body-on-frame
Primary materials Corrosion-resistant and high-strength steel
Assembly Plant Location: Kyushu, Japan
ENGINE
Type VK56VD
Orientation Longitudinally-mounted
Cylinders / configuration V8
Block / head composition Aluminum / aluminum
Displacement 5.6 liters
Horsepower 400 @ 5,800 rpm
Torque 413 lb-ft @ 4,000 rpm
Bore x stroke (mm) 98 x 92
Compression ratio (:1) 10.8
Maximum engine speed 6,000 rpm
Induction system Naturally aspirated
Valvetrain DOHC 32-valve; silent chain, single stage
Fuel delivery system Direct Injection Gasoline (DIG™)
Mounts 2 solid (side), 1 solid (rear)
Recommended fuel Premium unleaded
Emission certification level Tier2-Bin 5 / LEV2-LEV
Exhaust Single exit/main and secondary mufflers
TRANSMISSION AND DRIVE SYSTEM
Drive configuration 2WD 4WD
Transmission type Automatic; 7-speed with manual shift mode, Adaptive Shift Control, Downshift Rev Matching (DRM)
Gear ratios (:1)
1st 4.887
2nd 3.17
3rd 2.027
4th 1.412
5th 1
6th 0.864
7th 0.775
Transfer case / crawl ratios
"Axle " - TBD
"4WD high " - 1
"4WD low " - 2.7
"Crawl ratio: 1st " - 38.5
"Crawl ratio: 2nd " - 24.9
Crawl ratio: reverse - 31.8
Final drive ratio (:1) 2.937
BRAKES
Type 4-wheel disc brakes, 4-wheel Anti-lock Braking System (ABS) 4 channels/4 sensors, Brake Assist (BA) , Electronic Brake force Distribution (EBD)
Front/Rear Vented disc 13.78 x 1.18 in. / Vented disc 13.78 x 0.79 in.
SUSPENSION AND STEERING
Front suspension Double-wishbone, Hydraulic Body Motion Control system, Front stabilizer bar (vehicles without Hydraulic Body Motion Control system), Dual-Flow Path® twin-tube shock absorbers
Rear suspension Double-wishbone, Hydraulic Body Motion Control system, Rear stabilizer bar (vehicles without Hydraulic Body Motion Control system), Auto leveling rear suspension, Dual-Flow Path® twin-tube shock absorbers
Steering type Rack-and-pinion
Power-assist Engine speed-sensitive
Steering ratio (:1) 19.7
Turns (lock-to-lock) 3.5
Turning diameter (curb-to-curb) 41.6 ft
WHEELS AND TIRES
Wheels 20 x 8.0-inch forked 7-spoke aluminum-alloy wheels
22 x 8.0-inch 9-spoke forged aluminum-alloy wheels
Tires P275/60R20 Bridgestone Dueler H/T all-season tires
P275/50R22 Bridgestone Dueler H/T all-season tires


2011 Infiniti QX56 Dimensions (inches)
EXTERIOR
Wheelbase 121.1
Overall length 208.3
Overall width 79.9
Overall height w/ roof rack 75.8
Front track width 67.5
Rear track width 67.9
Angle of approach (degrees) 20.9
Angle of departure (degrees) 22.3
Ramp angle (degrees) 20.7
Ground clearance (inches) 9.2
Step in height – 1st row 22.4
Step in height – 2nd row 22.8
INTERIOR
First row
Head room with sunroof 39.9
Shoulder room 63.8
Hip room 59.2
Leg room 39.6
Second row
Head room 40
Shoulder room 63.5
Hip room 58.4
Leg room 41
Third row
Head room 36.8
Shoulder room 60.5
Hip room 48.8
Leg room 28.8
CAPACITIES
Seating capacity 7 - with 2nd row captain chairs
8 - with optional 2nd row bench seat
Total interior volume – pass. plus cargo (cu. ft.) 167.9
Cargo volume – behind 3rd row (cu. ft.) 16.6
Fuel tank (gals.) 26
Engine oil (qts.) 8
Engine coolant (qts.) 15.6
Maximum towing capacity (lbs.) 8,500
Maximum tongue weight (lbs.) 850
CURB WEIGHTS
  2WD 4WD
Curb weight (lbs.) 5,590 5,850
Weight distribution 40/60 42/58
GVWR (lbs.) 7,300 7,500
EPA MILEAGE ESTIMATES (actual mileage may vary)
  2WD 4WD
City 14 14
Highway 20 20
Combined 16 16
EPA Size Class SUV

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