2011 Chevrolet Suburban - Road Test Specs

2011 Chevrolet Suburban SUV

(5.3L V8 FFV 6-speed Automatic)
Vehicle
Model year2011
MakeChevrolet
ModelSuburban
StyleLTZ 1500 4dr SUV 4WD (5.3L 8cyl 6A)
Base MSRP$57,530
Options on test vehicleSun/Entertainment/Destination Package ($1,940 -- includes power sunroof, rear seat DVD entertainment system, nine additional months of XM radio); Heavy-Duty Trailering Package ($230); Side Blind-Zone Alert ($500); Trailer Brake Controller ($200); Black Granite Paint ($195)
As-tested MSRP$59,645 (plus $950 destination charge)
Drivetrain
Drive typeFour-wheel Drive
Engine typeNaturally aspirated, port-injected V8, gasoline with cylinder deactivation
Displacement (cc/cu-in)5,328cc (325 cu-in)
Block/head materialCast iron/aluminum
ValvetrainPushrod, two valves per cylinder, variable intake-valve timing
Compression ratio (x:1)9.9
Horsepower (hp @ rpm)320 @ 5,400
Torque (lb-ft @ rpm)335 @ 4,000
Fuel typeFlex fuel (E85 or 87-octane)
Transmission typeSix-speed automatic and column shifter with shifter-mounted button
Transmission and axle ratios (x:1)I = 4.03; II = 2.36; III = 1.53; IV = 1.15; V = 0.85; VI = 0.67; reverse = 3.06; FD = 3.08
Chassis
Suspension, frontIndependent double-wishbones, coil springs, twin-tube dampers, stabilizer bar
Suspension, rearNon-independent solid-axle, coil springs, twin-tube dampers, trailing links, panhard rod
Steering typeHydraulic-assist, variable-ratio, rack-and-pinion steering
Steering ratio (x:1)17.8
Tire brandBridgestone
Tire modelDueler H/L Alenza
Tire typeAll-season front and rear
Tire size, frontP275/55R20 111S M+S
Tire size, rearP2755/5R20 111S M+S
Wheel size20-by-8.5 inches front and rear
Wheel materialCast aluminum
Brakes, front13.0-inch ventilated steel discs with two-piston sliding calipers
Brakes, rear13.3-inch ventilated steel discs with single-piston sliding calipers
Track Test Results
Acceleration, 0-30 mph (sec.)3.4
0-45 mph (sec.)5.9
0-60 mph (sec.)9.0
0-75 mph (sec.)13.6
1/4-mile (sec. @ mph)16.7 @ 83.8
0-60 with 1 foot of rollout (sec.)8.7
Braking, 30-0 mph (ft.)36
60-0 mph (ft.)145
Slalom, 6 x 100 ft. (mph)55.0
Skid pad, 200-ft. diameter (lateral g)0.70
Sound level @ idle (dB)49.7
@ Full throttle (dB)75.3
@ 70 mph cruise (dB)65.3
Test Driver Ratings & Comments
Acceleration commentsNot a chance of wheelspin at launch, so pedal overlap just heats up the torque converter. Discovered that automatic shifts occur 500 rpm below engine redline, so best run came with manual shifting (using button at the end of the shift stalk). Upshifts are quick yet smooth, too. Engine sounds overworked, yet healthy and sophisticated.
Braking commentsSeriously, what are you expecting from a 3-ton truck? Happy to report brakes are fade-resistant, while the pedal remains firm and confident.
Handling commentsSkid pad: One finger on the spoke of the steering wheel is all that's required to hold the Suburban on the arc of the skid pad circle. Frankly we wouldn't want it any other way. Stability control gently reduces throttle at precisely the moment understeer sets in, hence identical runs with stability control engaged or disengaged. Slalom: Once the stability control is disengaged, the slow-motion oversteer reminds you why stability control is there in the first place, plus it's barely faster than with stability control engaged. Less is more here, as simply missing the slalom cones is a genuine accomplishment, and friction-free steering that offers surprisingly good precision helps a bunch.
Testing Conditions
Elevation (ft.)1,121
Temperature (F)93.0
Relative humidity (%)21.4
Wind (mph, direction)6.2 headwind
Fuel Consumption
EPA fuel economy (mpg)15 city/21 highway/17 combined
Edmunds observed (mpg)13.6
Fuel tank capacity (U.S. gal.)31.0
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)6,024
Curb weight, as tested (lbs.)5,952
Weight distribution, as tested, f/r (%)51.5/48.5
Length (in.)222.4
Width (in.)79.1
Height (in.)76.8
Wheelbase (in.)130.0
Track, front (in.)68.2
Track, rear (in.)67.0
Turning circle (ft.)43.0
Legroom, front (in.)41.3
Legroom, rear (in.)39.5
Legroom, 3rd row (in.)34.9
Headroom, front (in.)41.1
Headroom, rear (in.)38.5
Headroom, 3rd row (in.)38.1
Shoulder room, front (in.)65.3
Shoulder room, rear (in.)65.2
Shoulder room, 3rd row (in.)64.7
Seating capacity7
Cargo volume (cu-ft)45.8
Max. cargo volume, seats folded (cu-ft)137.4
Warranty
Bumper-to-bumper3 years/36,000 miles
Powertrain5 years/100,000 miles
Corrosion6 years/100,000 miles
Roadside assistance5 years/100,000 miles
Safety
Front airbagsStandard
Side airbagsDual front
Head airbagsFront, rear and third row
Antilock brakesFour-wheel ABS
Electronic brake enhancementsElectronic 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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