Compare 2003 Chevrolet Silverado SS vs 2003 GMC Sierra 1500HD

2003 Chevrolet Silverado SS
2003 GMC Sierra 1500HD
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Select style
Ext Cab 143.5" WB
Style MPG City MPG Hwy Invoice MSRP
Ext Cab 143.5" WB 13 17 $34,304 $39,205
Select style
Crew Cab 153.0" WB SLT
Style MPG City MPG Hwy Invoice MSRP
Crew Cab 153.0" WB SLE N/A N/A $27,206 $31,093
Crew Cab 153.0" WB SLT N/A N/A $27,206 $31,093
Crew Cab 153.0" WB 4WD SLE N/A N/A $30,191 $34,505
Crew Cab 153.0" WB 4WD SLT N/A N/A $30,191 $34,505
Pricing
Invoice Price
$34,304
$27,206
Manufacturer Suggested Retail Price
$39,205
$31,093
Monthly Payment Estimate
$653 / month
$518 / month
The Car Connection's Take
TCC Rating
Fuel Economy
City
13 mpg N/A mpg
Highway
17 mpg N/A mpg
Interior Dimensions
Second Hip Room (in)
61.5 62.9
Front Shoulder Room (in)
65.2 65.2
Second Head Room (in)
38.4 39.9
Second Shoulder Room (in)
66.3 65.1
Front Leg Room (in)
41.3 41.3
Front Hip Room (in)
61.4 61.4
Second Leg Room (in)
33.7 38.8
Passenger Capacity
6 6
Front Head Room (in)
41.0 41.1
Exterior Dimensions
Ground to Top of Load Floor (in)
32.9 - TBD -
Overhang, Front (in)
36.9 37.0
Frame Width, Rear (in)
NA - TBD -
Front Bumper to Back of Cab (in)
138.5 148.1
Length, Overall w/o rear bumper (in)
227.7 237.2
Ground Clearance, Rear (in)
8.3 7.4
Cab to End of Frame (in)
NA - TBD -
Height, Overall (in)
73.9 77.0
Ground to Top of Frame (in)
NA - TBD -
Overhang, Rear w/o bumper (in)
47.3 47.2
Wheelbase (in)
143.5 153.0
Ground Clearance, Front (in)
8.0 7.9
Cab to Axle (in)
41.9 41.9
Width, Max w/o mirrors (in)
78.5 79.7
Cargo Area Dimensions
Cargo Box Length @ Floor (in)
68.7 78.7
Ext'd Cab Cargo Volume (ft³)
NA - TBD -
Cargo Box Width @ Floor (in)
64.8 64.8
Cargo Box (Area) Height (in)
19.5 19.5
Cargo Volume (ft³)
113.6 56.9
Cargo Box Width @ Top, Rear (in)
63.8 61.9
Cargo Box Width @ Wheelhousings (in)
50.0 50.0
Tailgate Width (in)
63.8 61.9
Brakes
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
12 x 1.1 12.8 x 1.5
Brake Type
Pwr Pwr
Drum - Rear (Yes or )
NA NA
Brake ABS System (Second Line)
NA NA
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13 x 1.2 13.0 x 1.4
Brake ABS System
Four-Wheel Four-Wheel
Rear Drum Diam x Width (in)
NA NA
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
NA LH
Steering
Turning Diameter - Curb to Curb (ft)
37.4 49.6
Steering Type
Pwr Pwr
Steering Ratio (:1), At Lock
NA - TBD -
Turning Diameter - Wall to Wall (ft)
NA - TBD -
Steering Ratio (:1), On Center
NA - TBD -
Tires
Revolutions/Mile @ 45 mph - Spare
NA - TBD -
Front Tire Capacity (lbs)
2064 2205
Rear Tire Order Code
QSS QIZ
Spare Tire Capacity (lbs)
2064 2205
Front Tire Size
P275/55R20 LT245/75R16
Revolutions/Mile @ 45 mph - Rear
NA - TBD -
Spare Tire Size
P265/75R16 LT245/75R16
Front Tire Order Code
QSS QIZ
Rear Tire Capacity (lbs)
2064 3042
Spare Tire Order Code
NA QIZ
Revolutions/Mile @ 45 mph - Front
NA - TBD -
Rear Tire Size
P275/55R20 LT245/75R16
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
740 1230
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
NA 1230
Dead Weight Hitch - Max Trailer Wt. (lbs)
5000 5000
Wt Distributing Hitch - Max Trailer Wt. (lbs)
7400 8200
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
NA 8200
Dead Weight Hitch - Max Tongue Wt. (lbs)
500 500
Weight Information
Gross Axle Wt Rating - Rear (lbs)
3600 6000
Curb Weight - Rear (lbs)
1862 2258
Gross Axle Wt Rating - Front (lbs)
3650 4410
Gross Combined Wt Rating (lbs)
13000 14,000
Curb Weight - Front (lbs)
2942 3097
Gross Vehicle Weight Rating Cap (lbs)
6400 8600
Wheels
Rear Wheel Material
Aluminum Chrome
Rear Wheel Size (in)
20 x 8.5 16 x 6.5
Front Wheel Material
Aluminum Chrome
Spare Wheel Material
Steel Steel
Front Wheel Size (in)
20 x 8.5 16 x 6.5
Spare Wheel Size (in)
16 x 6.5 16 x 6.5
Cooling System
Total Cooling System Capacity (qts)
14.9 15.4
Electrical
Cold Cranking Amps @ 0° F (Primary)
600 600
Maximum Alternator Capacity (amps)
105 105
Cold Cranking Amps @ 0° F (2nd)
NA NA
Maximum Alternator Watts
NA NA
Engine
Displacement
6.0L/394 6.0L/364
Engine Oil Cooler
Yes Yes
SAE Net Horsepower @ RPM
345 @ 5200 300 @ 4400
Engine Type
Gas V8 Gas V8
Fuel System
SFI SFI
SAE Net Torque @ RPM
380 @ 4000 360 @ 4000
Engine Order Code
LQ9 LQ4
Mileage
EPA Fuel Economy Est - Hwy (MPG)
17 NA
EPA Fuel Economy Est - City (MPG)
13 NA
Transmission
Trans Type
4 4
Trans PTO Access
NA NA
Fifth Gear Ratio (:1)
NA NA
Trans Description Cont. Again
NA NA
Transfer Case Gear Ratio (:1), High
NA NA
Drivetrain
All Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
2.29 2.08
Second Gear Ratio (:1)
1.63 1.48
Trans Order Code
M32 MT1
Transfer Case Power Take Off
NA NA
Trans Power Take Off
NA NA
Fourth Gear Ratio (:1)
0.70 0.75
Trans Description Cont.
Automatic w/OD HD Automatic w/OD
Transfer Case Model
New Venture Gear NA
Seventh Gear Ratio (:1)
NA NA
Sixth Gear Ratio (:1)
NA NA
First Gear Ratio (:1)
3.06 2.48
Transfer Case Gear Ratio (:1), Low
NA NA
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.00 1.00
Summary
Body Style
Ext Cab 6.5' Wideside Crew Cab 6.5' Fleetside
Vehicle Name
Chevrolet Silverado SS GMC Sierra 1500HD
Body Code
E63 E63
Suspension
Axle Ratio (:1) - Front
4.10 NA
Spring Capacity - Rear (lbs)
3750 6000
Shock Absorber Diameter - Front (mm)
32 35
Axle Type - Rear
Semi-Floating Full-Floating
Suspension Type - Front
Torsion Bar Coil Spring
Stabilizer Bar Diameter - Front (in)
1.26 1.25
Axle Capacity - Rear (lbs)
3750 6000
Spring Capacity - Front (lbs)
3925 4500
Axle Ratio (:1) - Rear
4.10 3.73
Axle Type - Front
Independent Independent
Shock Absorber Diameter - Rear (mm)
32 35
Axle Capacity - Front (lbs)
3925 4500
Suspension Type - Rear
2-Stage Multi-Leaf 2-Stage Multi-Leaf
Stabilizer Bar Diameter - Rear (in)
NA NA
Frame
Frame Type
Ladder Ladder

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