2011 GMC Sierra Denali 3500HD
POWERTRAIN
Drivetrain layout Front engine, 4WD
Engine type Turbodiesel 90-deg V-8, iron block/aluminum heads
Valve gear OHV, 4 valves/cyl
Bore x stroke 4.06 x 3.90 in
Displacement 403 ci/6.6L
Compression ratio 16.0:1
Power (SAE net) 397 hp @ 3000 rpm
Torque (SAE net) 765 lb-ft @ 1600 rpm
Transmission type Allison 1000 6-speed automatic
1st 3.10:1
2nd 1.81:1
3rd 1.41:1
4th 1.00:1
5th 0.71:1
6th 0.61:1
Reverse 4.49:1
Axle ratio 3.73:1
Final drive ratio 2.28:1
Transfer-case model NV 271
Low-range ratio 2.72:1
Crawl ratio (1st x axle gears x low range) 31.5:1
DIMENSIONS/CAPACITIES
Wheelbase 167.7 in
Length x width x height 259.0 x 95.9 x 77.8 in
Track, f/r 68.8/75.0 in
Turning circle 55.4 ft
Ground clearance 8.5 in
Curb weight (f/r dist) 8100 lb (58/42%)
Max payload capacity 5122 lb
GVWR 13,000 lb
Max towing capacity 21,100 lb
Seating capacity 5
Headroom, f/r 41.2/40.5 in
Legroom, f/r 41.3/39.0 in
Shoulder room, f/r 65.2/65.1 in
Bed LxWxH 97.7x62.4x21.0 in
Width bet wheelhousings 50.6 in
Bed volume 75.5 cu ft
CHASSIS
Construction Ladder frame
Suspension, f/r Control arms, torsion bars, anti-roll bar; live axle, leaf springs, anti-roll bar
Steering type Power-assisted recirculating ball
Ratio 16.1:1
Turns, lock to lock 3.6
Brakes, f/r 14.0-in disc/14.0-in disc, ABS
Wheels 6.5x17-in forged aluminum
Tires 235/80R17 120R Michelin LTX AT2
PERFORMANCE
Acceleration
0-30 2.8 sec
0-40 4
0-50 5.7
0-60 7.7
0-70 10.1
0-80 13.5
0-90 17.9
Quarter mile 16.0 sec @ 85.8 mph
Braking, 60-0 143 ft
CONSUMER INFO
Base price $47,745
Price as tested $59,000 (est)
Airbags Dual front, front side
Fuel capacity 36.0 gal
EPA fuel economy, city/hwy Not rated
As-tested fuel economy 17.8 mpg (mfr)
CO2 emissions Not rated
Recommended fuel ULSD