GMC Sierra Denali 6.2L V8 VVT 10AT 2WD (420 HP) (5’ 8” box) GMC Sierra HD AT4X AT4X 6.6L V8 10AT AWD (406 HP)
engine specs
Cylinders
V8V8
Power
308.9 KW @ 5600 RPM
420 HP @ 5600 RPM
414 BHP @ 5600 RPM
299 KW @ 5200 RPM
406.6 HP @ 5200 RPM
401 BHP @ 5200 RPM
Torque
460 lb-ft @ 4100 RPM
623 Nm @ 4100 RPM
464 lb-ft @ 4000 RPM
629 Nm @ 4000 RPM
Fuel System
Turbocharged Direct InjectionDirect Injection
Fuel
GasolineGasoline
Fuel capacity
24 gallons (90.8 L)35.9 gallons (135.9 L)
transmission specs
Drive Type
-All Wheel Drive
Gearbox
10-Speed automatic10-speed automatic
brakes specs
Front
Ventilated DiscsVentilated Discs
Rear
Ventilated DiscsVentilated Discs
tires specs
Tire Size
275/55R20LT305/70R18 MT
dimensions
Length
238.9 in (6068 mm)250.7 in (6368 mm)
Width
80 in (2032 mm)81.9 in (2080 mm)
Height
74.2 in (1885 mm)82.7 in (2101 mm)
Front/rear Track
-69.4/69.3 in (1,763/1,760 mm)
Wheelbase
153 in (3886 mm)159.1 in (4041 mm)
Cargo Volume
63 cuFT (1784 L)-
weight specs
Unladen Weight
5232 lbs (2373 kg)7516 lbs (3409 kg)
Gross Weight Limit
7000 lbs (3175 kg)10849 lbs (4921 kg)
fuel economy (nedc)
City
15 mpg US (15.7 L/100Km)-
Highway
21 mpg US (11.2 L/100Km)-

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