2008 GMC Yukon XL - Road Test Specs

2008 GMC Yukon XL SUV

(6.2L V8 6-speed Automatic)
Vehicle
Model year2008
MakeGMC
ModelYukon XL Denali
Style4dr SUV AWD (6.2L 8cyl 6A)
Base MSRP$49,090
Options on test vehicleSun, Entertainment and Destination package ($3,790 -- includes a power sunroof, a rear-seat DVD entertainment system, a navigation system and a rearview camera); 10-inch chrome wheels ($1,995).
As-tested MSRP$55,775
Drivetrain
Drive typeRear-wheel drive
Engine typeV8
Displacement (cc/cu-in)6,162 cc (376 cu-in)
Block/head materialAluminum/aluminum
ValvetrainOverhead valve, 2 valves per cylinder, variable valve timing
Compression ratio (x:1)10.5
Redline (rpm)6,000
Horsepower (hp @ rpm)380 @ 5,500
Torque (lb-ft @ rpm)417 @ 4,400
Fuel typePremium
Transmission type6-speed Automatic
Transmission and axle ratios (x:1)I = 4.027, II = 2.364, III = 1.522, IV = 1.152, V = 0.852, VI = 0.667, R = N/A, Final Drive = 3.42
Chassis
Suspension, frontIndependent, coil over shock
Suspension, rearFive-link with coil springs
Steering typePower-assisted rack-and-pinion
Steering ratio (x:1)17.75:1
Tire brandBridgestone
Tire modelDueler H/L Alenza
Tire typeAll season
Tire size, frontP275/55R20
Tire size, rearP275/55R20
Wheel size, front20 X 8.5
Wheel size, rear20 X 8.5
Wheel materialcast alloy
Brakes, frontVentilated disc
Brakes, rearVentilated disc
Track Test Results
Acceleration, 0-30 mph (sec.)2.6
0-45 mph (sec.)4.7
0-60 mph (sec.)7.2
0-75 mph (sec.)10.7
1/4-mile (sec. @ mph)15.3 @ 91.7
0-60 with 1 foot of rollout (sec.)6.9
Braking, 30-0 mph (ft.)33
60-0 mph (ft.)134
Slalom, 6 x 100 ft. (mph)Not available
Skid pad, 200-ft. diameter (lateral g)Not available
Sound level @ idle (dB)Not available
@ Full throttle (dB)Not available
@ 70 mph cruise (dB)Not available
Test Driver Ratings & Comments
Acceleration commentsHuge improvement over 5.3/four-speed automatic powertrain. Tranny hesitates to kick down, but offers far more flexibility and performance than previous powertrain.
Braking ratingAverage
Braking commentsGM's large SUVs always seem to have fade problems. Not sure if it's due to barely broken-in test vehicle or a fundamental undersizing of the components.
Handling ratingNot available
Handling commentsNot tested
Testing Conditions
Elevation (ft.)1121
Temperature (F)70
Relative humidity (%)47.8%
Wind (mph, direction)3.1
Fuel Consumption
EPA fuel economy (mpg)12 City / 19 Highway
Edmunds observed (mpg)13.8
Fuel tank capacity (U.S. gal.)31.5
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)Not Available
Curb weight, as tested (lbs.)Approximately 5,700 pounds
Weight distribution, as tested, f/r (%)Not Available
Length (in.)222.4
Width (in.)79.1
Height (in.)77
Wheelbase (in.)130
Track, front (in.)68.2
Track, rear (in.)67
Turning circle (ft.)43
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
Free scheduled maintenanceNot available
Safety
Front airbagsStandard
Side airbagsNot available
Head airbagsStandard front and rear
Knee airbagsNot Available
Antilock brakes4-wheel ABS
Electronic brake enhancementsElectronic brakeforce distribution
Traction controlStandard
Stability controlStandard
Rollover protectionStandard
Tire-pressure monitoring systemTire pressure monitoring
Emergency assistance systemStandard
NHTSA crash test, driver5 stars
NHTSA crash test, passenger5 stars
NHTSA crash test, side front5 stars
NHTSA crash test, side rear5 stars
NHTSA rollover resistance3 stars
IIHS offsetNot available

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