2007 GMC Sierra 1500 - Road Test Specs

2007 GMC Sierra 1500 Crew Cab

(6.2L V8 6-speed Automatic 5.8 ft. Bed)
Vehicle
Model year2007
MakeGMC
ModelSierra 1500
StyleDenali 4dr Crew Cab 5.8 ft. SB (6.2L 8cyl 6A)
Base MSRP$38,995
As-tested MSRP$45,370
Drivetrain
Drive typeRear-wheel drive
Engine typeV8
Displacement (cc/cu-in)6172cc (377 cu-in)
Valvetrainoverhead valve (push rod)
Compression ratio (x:1)10.5
Horsepower (hp @ rpm)403 @ 5,700
Torque (lb-ft @ rpm)417 @ 4,300
Transmission type6-speed Automatic
Chassis
Suspension, frontIndependent, double wishbones, coil springs, and stabilizer bar
Suspension, rearSolid axle, leaf springs, and stabilizer bar
Steering typePower-assisted rack-and-pinion steering
Tire brandGoodyear
Tire modelEagle LS2
Tire typeall season
Tire size, frontP275/55R20 111S
Tire size, rearP275/55R20 111S
Wheel size18 X 8.0
Wheel materialpolished alloy
Brakes, frontFront ventilated disc - rear disc
Brakes, reardisc
Track Test Results
0-45 mph (sec.)4.4
0-60 mph (sec.)6.5
0-75 mph (sec.)9.7
1/4-mile (sec. @ mph)15.0 @ 92.1
Braking, 30-0 mph (ft.)32
60-0 mph (ft.)134
Slalom, 6 x 100 ft. (mph)57.9
Skid pad, 200-ft. diameter (lateral g)0.73
Sound level @ idle (dB)45.8
@ Full throttle (dB)75.8
@ 70 mph cruise (dB)65.2
Test Driver Ratings & Comments
Acceleration commentsWith traction/stability control off, anything more than 1,500-rpm lights up those 20-inch tires. I love the broad torque of this V8. Also, it doesn't seem to run out of horsepower in the upper revs, either. It feels as if it could keep pulling beyond the 5,500-rpm shift point. Shifts are quick and clean. FYI: you can get an extra 500 rpm out of the engine in manual-shift mode before the 6,000-rpm rev limiter kicks in. We tried to utilize this, but timing an electronically requested upshift proved too difficult, and with a 6.5-sec run to 60 mph, why bother?
Braking ratingGood
Braking commentsThe brake pedal is neither too soft (as GM trucks once showcased), nor too firm. There's actually enough feel and pedal travel to modulate pressure and effectiveness prior to a full-ABS request. There was some fading feel by the fourth stop where the pedal travel grew closer to the floor.
Handling ratingGood
Handling commentsWith StabiliTrak off, the pickup exhibits pretty remarkable balance right up to the point where front wheel hop and understeer begin. In the slalom, we felt the steering was a tad light, but still accurate and effective. The overall steering ratio is a little slow, too, but I never managed to "beat" the power steering pump when I needed to countersteer. The truck's attitude remained remarkably flat through the transitions. FYI: OnStar called me after the first slalom run, saying they had detected a collision and, after ensuring them there was none, instructed me on the collision notification reset procedure. I think I've finally decoded the notification trigger: countersteering (i.e. car is pointed in one direction and the steering in the other).
Testing Conditions
Elevation (ft.)421
Temperature (F)68.5
Wind (mph, direction)3
Fuel Consumption
EPA fuel economy (mpg)14 city/20highway
Edmunds observed (mpg)N/A
Fuel tank capacity (U.S. gal.)26
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)5,182 (5,309 as tested)
Curb weight, as tested (lbs.)5309
Length (in.)229.9
Width (in.)80.0
Height (in.)73.8
Wheelbase (in.)143.5
Track, front (in.)68.1
Track, rear (in.)67.0
Turning circle (ft.)47.2
Legroom, front (in.)41.3
Legroom, rear (in.)38.7
Headroom, front (in.)41.5
Headroom, rear (in.)40.6
Shoulder room, front (in.)65.2
Shoulder room, rear (in.)65.2
Seating capacity5
Cargo volume (cu-ft)53.2
Max. cargo volume, seats folded (cu-ft)Not available
Warranty
Bumper-to-bumper3 years / 36,000 miles
Powertrain5 years / 100,000 miles
Corrosion6 years / 100,000 miles
Roadside assistance5 years / 100,000 miles
Free scheduled maintenanceNot available
Safety
Front airbagsStandard
Side airbagsNot available
Head airbagsStandard front and rear
Antilock brakes4-wheel ABS
Electronic brake enhancementsElectronic brakeforce distribution
Traction controlNot available
Stability controlStandard
Rollover protectionStandard
Tire-pressure monitoring systemtire pressure monitoring
Emergency assistance systemOptional (1 year free)
NHTSA crash test, driver5 stars
NHTSA crash test, passenger5 stars
NHTSA crash test, side frontNot tested
NHTSA crash test, side rearNot tested
NHTSA rollover resistance4 stars

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