Compare 2006 GMC Sierra 1500HD vs 2006 Chevrolet Silverado SS

2006 GMC Sierra 1500HD
2006 Chevrolet Silverado SS
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Crew Cab 153.0" WB 2WD SLE1
Style MPG City MPG Hwy Invoice MSRP
Crew Cab 153.0" WB 2WD SLE1 N/A N/A $27,216 $29,745
Crew Cab 153.0" WB 2WD SLE2 N/A N/A $28,735 $31,405
Crew Cab 153.0" WB 4WD SLE1 N/A N/A $30,300 $33,115
Crew Cab 153.0" WB 2WD SLT N/A N/A $30,496 $33,330
Crew Cab 153.0" WB 4WD SLE2 N/A N/A $31,695 $34,640
Crew Cab 153.0" WB 4WD SLT N/A N/A $33,420 $36,525
Select style
Ext Cab 143.5" WB
Style MPG City MPG Hwy Invoice MSRP
Ext Cab 143.5" WB 14 19 $30,130 $32,930
Pricing
Invoice Price
$27,216
$30,130
Manufacturer Suggested Retail Price
$29,745
$32,930
Monthly Payment Estimate
$496 / month
$549 / month
The Car Connection's Take
TCC Rating
Fuel Economy
City
N/A mpg 14 mpg
Highway
N/A mpg 19 mpg
Interior Dimensions
Passenger Capacity
6 6
Front Head Room (in)
41.1 41.0
Second Hip Room (in)
62.9 61.5
Front Shoulder Room (in)
65.2 65.2
Second Head Room (in)
39.9 38.4
Second Shoulder Room (in)
65.1 66.3
Front Leg Room (in)
41.3 41.3
Front Hip Room (in)
61.4 61.4
Second Leg Room (in)
38.8 33.7
Exterior Dimensions
Ground to Top of Load Floor (in)
- TBD - 32.9
Overhang, Front (in)
37.0 36.9
Frame Width, Rear (in)
- TBD - - TBD -
Front Bumper to Back of Cab (in)
148.1 138.5
Length, Overall w/o rear bumper (in)
239.7 227.7
Ground Clearance, Rear (in)
7.4 8.3
Cab to End of Frame (in)
- TBD - - TBD -
Height, Overall (in)
77.0 73.9
Ground to Top of Frame (in)
- TBD - - TBD -
Overhang, Rear w/o bumper (in)
47.2 47.0
Wheelbase (in)
153.0 143.5
Ground Clearance, Front (in)
7.9 8.0
Cab to Axle (in)
41.9 41.9
Width, Max w/o mirrors (in)
79.7 78.5
Cargo Area Dimensions
Tailgate Width (in)
61.9 63.8
Cargo Box Length @ Floor (in)
78.7 78.6
Ext'd Cab Cargo Volume (ft³)
- TBD - - TBD -
Cargo Box Width @ Floor (in)
64.8 64.8
Cargo Box (Area) Height (in)
19.5 19.5
Cargo Volume (ft³)
56.9 56.9
Cargo Box Width @ Top, Rear (in)
61.9 63.8
Cargo Box Width @ Wheelhousings (in)
50.0 50.0
Brakes
Rear Drum Diam x Width (in)
NA - TBD -
Disc - Front (Yes or )
Yes NA
Front Brake Rotor Diam x Thickness (in)
12.8 x 1.5 12 x 1.1
Brake Type
Pwr Pwr
Drum - Rear (Yes or )
NA Yes
Brake ABS System (Second Line)
NA NA
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13 x 1.4 NA
Brake ABS System
4-Wheel Four-Wheel
Fuel Tank
Aux Fuel Tank Capacity, Approx (gal)
NA NA
Aux Fuel Tank Location
NA NA
Fuel Tank Capacity, Approx (gal)
26 26
Fuel Tank Location
LH LH
Steering
Turning Diameter - Curb to Curb (ft)
49.6 - TBD -
Steering Type
Pwr Pwr
Steering Ratio (:1), At Lock
- TBD - - TBD -
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), On Center
- TBD - - TBD -
Tires
Rear Tire Size
LT245/75R16 P275/55R20
Revolutions/Mile @ 45 mph - Spare
- TBD - - TBD -
Front Tire Capacity (lbs)
2205 - TBD -
Rear Tire Order Code
QIZ QSS
Spare Tire Capacity (lbs)
2205 - TBD -
Front Tire Size
LT245/75R16 P275/55R20
Revolutions/Mile @ 45 mph - Rear
- TBD - - TBD -
Spare Tire Size
LT245/75R16 P265/70R17
Front Tire Order Code
QIZ QSS
Rear Tire Capacity (lbs)
2205 - TBD -
Spare Tire Order Code
QIZ NA
Revolutions/Mile @ 45 mph - Front
- TBD - - TBD -
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
1230 1125
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
2075 N/A
Dead Weight Hitch - Max Trailer Wt. (lbs)
5000 5000
Wt Distributing Hitch - Max Trailer Wt. (lbs)
8200 7500
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
8300 N/A
Dead Weight Hitch - Max Tongue Wt. (lbs)
500 600
Weight Information
Gross Axle Wt Rating - Rear (lbs)
6000 3600
Curb Weight - Rear (lbs)
2213 1844
Gross Axle Wt Rating - Front (lbs)
4410 3600
Gross Combined Wt Rating (lbs)
14,000 13000
Curb Weight - Front (lbs)
3131 2654
Gross Vehicle Weight Rating Cap (lbs)
8600 6200
Wheels
Rear Wheel Material
Steel Steel
Rear Wheel Size (in)
16 x 6.5 20 x 8.5
Front Wheel Material
Steel Steel
Spare Wheel Material
Steel Steel
Front Wheel Size (in)
16 x 6.5 20 x 8.5
Spare Wheel Size (in)
16 x 6.5 17 x 7
Cooling System
Total Cooling System Capacity (qts)
13.52 16.8
Electrical
Cold Cranking Amps @ 0° F (Primary)
600 600
Maximum Alternator Capacity (amps)
105 145
Cold Cranking Amps @ 0° F (2nd)
NA NA
Maximum Alternator Watts
NA NA
Engine
Displacement
6.0L/364 6.0L/394
Engine Oil Cooler
Yes Yes
SAE Net Horsepower @ RPM
300 @ 4400 345 @ 5200
Engine Type
Gas V8 Gas V8
Fuel System
SFI SFI
SAE Net Torque @ RPM
360 @ 4000 380 @ 4000
Engine Order Code
LQ4 LQ9
Mileage
EPA Fuel Economy Est - Hwy (MPG)
NA 19
EPA Fuel Economy Est - City (MPG)
NA 14
Transmission
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.00 1.00
Trans Type
4 4
Trans PTO Access
NA N/A
Fifth Gear Ratio (:1)
NA NA
Trans Description Cont. Again
NA NA
Transfer Case Gear Ratio (:1), High
NA NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
2.08 2.29
Second Gear Ratio (:1)
1.48 1.63
Trans Order Code
MT1 M32
Transfer Case Power Take Off
NA NA
Trans Power Take Off
NA NA
Fourth Gear Ratio (:1)
0.75 0.70
Trans Description Cont.
HD Automatic w/OD Automatic HD w/OD
Transfer Case Model
NA NA
Seventh Gear Ratio (:1)
NA NA
Sixth Gear Ratio (:1)
NA NA
First Gear Ratio (:1)
2.48 3.06
Transfer Case Gear Ratio (:1), Low
NA NA
Summary
Body Style
Crew Cab 6.5' Fleetside Ext Cab 6.5' Wideside
Vehicle Name
GMC Sierra 1500HD Chevrolet Silverado SS
Body Code
E63 E63
Suspension
Stabilizer Bar Diameter - Rear (in)
NA NA
Axle Ratio (:1) - Front
NA NA
Spring Capacity - Rear (lbs)
6000 4000
Shock Absorber Diameter - Front (mm)
36 32
Axle Type - Rear
Full-Floating Semi-Floating
Suspension Type - Front
Coil Spring Torsion Bar
Stabilizer Bar Diameter - Front (in)
1.25 - TBD -
Axle Capacity - Rear (lbs)
6000 4000
Spring Capacity - Front (lbs)
4500 3925
Axle Ratio (:1) - Rear
3.73 3.73
Axle Type - Front
Independent Independent
Shock Absorber Diameter - Rear (mm)
36 32
Axle Capacity - Front (lbs)
4500 3925
Suspension Type - Rear
2-Stage Multi-Leaf 4-Stage Multi-Leaf
Frame
Frame Type
Ladder Ladder

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