2011 Infiniti QX56 Road Test Specs | Edmunds

2011 INFINITI QX56 - Road Test Specs

2011 Infiniti QX56 SUV

(5.6L V8 7-speed Automatic)


Model year2011
Style4dr SUV AWD (5.6L 8cyl 7A)
Base MSRP$60,665
Options on test vehicleDeluxe Touring Package ($5,800 -- includes 22-inch alloy wheels with all-season performance tires, Hydraulic Body Motion Control System, climate-controlled front seats, heated second-row seats [outboard only], remote tip-up second row seats, semi-aniline leather seats, unique trim accents, Advanced Climate Control System, headlight washers); Theater Package ($2,450 -- includes dual 7-inch color monitors, two wireless headphones, wireless remote control, auxiliary audio/video input jacks and 120-volt power outlet); Technology Package ($1,500 -- includes intelligent cruise control, lane departure warning, lane departure prevention, distance control assist, intelligent brake assist, forward collision warning, blind spot warning, front pre-crash seatbelts, adaptive self-leveling headlights).
As-tested MSRP$70,415


Drive typeAll-wheel drive
Engine typeV8
Displacement (cc/cu-in)5,552cc (339 cu-in)
Block/head materialAluminum/aluminum
ValvetrainDouble overhead camshaft
Compression ratio (x:1)10.8
Redline (rpm)6,000
Horsepower (hp @ rpm)400 @ 5,800
Torque (lb-ft @ rpm)413 @ 4,000
Fuel typePremium unleaded (recommended)
Transmission typeSeven-speed automatic
Transmission and axle 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 = 2.9


Suspension, frontDouble wishbone
Suspension, rearDouble wishbone
Steering typeSpeed-proportional power steering
Steering ratio (x:1)19.7
Tire brandBridgestone
Tire modelDueler H/T 684 II
Tire typeAll-season front and rear
Tire size, frontP275/50R22 111H
Tire size, rearP275/50R22 111H
Wheel size22-by-8 inches front and rear
Wheel materialAlloy
Brakes, frontVentilated disc
Brakes, rearVentilated disc

Fuel Consumption

EPA fuel economy (mpg)14 city/20 highway
Fuel tank capacity (U.S. gal.)26.0

Dimensions & Capacities

Curb weight, mfr. claim (lbs.)5,850
Length (in.)208.3
Width (in.)79.9
Height (in.)75.6
Wheelbase (in.)121.1
Track, front (in.)67.6
Track, rear (in.)68.2
Turning circle (ft.)41.0
Legroom, front (in.)39.6
Legroom, rear (in.)41.0
Legroom, 3rd row (in.)28.7
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 capacity8
Cargo volume (cu-ft)19.3
Max. cargo volume, seats folded (cu-ft)112.0


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


Front airbagsStandard
Side airbagsDual front and dual rear with head protection chambers
Head airbagsFront, rear and third row
Antilock brakes4-wheel ABS
Electronic brake enhancementsBraking assist, electronic brakeforce distribution
Traction controlTraction control
Stability controlStability control
Rollover protectionSide curtain airbag, rollover sensor
Tire-pressure monitoring systemTire-pressure monitoring
NHTSA crash test, driverNot tested
NHTSA crash test, passengerNot tested
NHTSA crash test, side frontNot tested
NHTSA crash test, side rearNot tested
NHTSA rollover resistanceNot tested
IIHS offsetNot tested

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