Compare 2008 Isuzu i-370 vs 2008 GMC Sierra 1500

2008 Isuzu i-370
2008 GMC Sierra 1500
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Select style
2WD Ext Cab LS
Style MPG City MPG Hwy Invoice MSRP
2WD Ext Cab LS 16 22 $21,545 $22,799
2WD Crew Cab LS 16 22 $23,558 $24,929
4WD Crew Cab LS 15 20 $26,771 $28,329
Select style
2WD Reg Cab 119.0" Work Truck
Style MPG City MPG Hwy Invoice MSRP
2WD Reg Cab 119.0" Work Truck 15 20 $16,622 $17,590
2WD Reg Cab 133.0" Work Truck 15 20 $16,991 $17,980
4WD Reg Cab 119.0" Work Truck 14 18 $19,684 $20,830
4WD Reg Cab 133.0" Work Truck 14 18 $19,967 $21,130
2WD Ext Cab 134.0" Work Truck 15 20 $20,775 $22,705
2WD Ext Cab 143.5" Work Truck 15 20 $21,049 $23,005
2WD Ext Cab 157.5" Work Truck 15 20 $22,760 $24,875
2WD Ext Cab 143.5" SL 14 19 $23,048 $25,190
2WD Reg Cab 119.0" SLE1 14 19 $23,071 $25,215
2WD Reg Cab 133.0" SLE1 14 19 $23,181 $25,335
4WD Ext Cab 134.0" Work Truck 14 18 $24,535 $26,815
4WD Ext Cab 143.5" Work Truck 14 18 $24,810 $27,115
2WD Ext Cab 134.0" SLE1 14 19 $24,910 $27,225
2WD Crew Cab 143.5" Work Truck 14 19 $24,952 $27,270
2WD Ext Cab 143.5" SLE1 14 19 $25,240 $27,585
4WD Ext Cab 157.5" Work Truck 14 19 $25,642 $28,025
4WD Reg Cab 119.0" SLE1 14 18 $25,789 $28,185
4WD Ext Cab 143.5" SL 14 18 $25,944 $28,355
2WD Ext Cab 157.5" SLE1 15 20 $26,018 $28,435
2WD Crew Cab 143.5" SL 14 19 $26,040 $28,460
4WD Reg Cab 133.0" SLE1 14 18 $26,063 $28,485
2WD Ext Cab 134.0" SLE2 15 20 $26,695 $29,175
2WD Ext Cab 143.5" SLE2 15 20 $26,969 $29,475
2WD Ext Cab 157.5" SLE2 15 20 $27,239 $29,770
2WD Crew Cab 143.5" SLE1 14 19 $27,523 $30,080
4WD Ext Cab 134.0" SLE1 14 18 $27,793 $30,375
4WD Crew Cab 143.5" Work Truck 14 18 $27,834 $30,420
4WD Ext Cab 143.5" SLE1 14 18 $28,067 $30,675
4WD Ext Cab 157.5" SLE1 14 19 $28,900 $31,585
2WD Ext Cab 134.0" SLT 15 20 $28,918 $31,605
4WD Crew Cab 143.5" SL 14 18 $28,923 $31,610
2WD Ext Cab 143.5" SLT 15 20 $29,193 $31,905
2WD Ext Cab 157.5" SLT 15 20 $29,467 $32,205
4WD Ext Cab 134.0" SLE2 14 19 $29,572 $32,320
4WD Ext Cab 143.5" SLE2 14 19 $29,847 $32,620
2WD Crew Cab 143.5" SLE2 15 20 $29,989 $32,775
4WD Ext Cab 157.5" SLE2 14 19 $30,121 $32,920
4WD Crew Cab 143.5" SLE1 14 18 $30,442 $33,270
4WD Ext Cab 134.0" SLT 14 19 $31,800 $34,755
4WD Ext Cab 143.5" SLT 14 19 $32,075 $35,055
4WD Ext Cab 157.5" SLT 14 19 $32,349 $35,355
2WD Crew Cab 143.5" SLT 15 20 $32,436 $35,450
4WD Crew Cab 143.5" SLE2 14 19 $32,871 $35,925
4WD Crew Cab 143.5" SLT 14 19 $35,319 $38,600
Pricing
Invoice Price
$21,545
$16,622
Manufacturer Suggested Retail Price
$22,799
$17,590
Monthly Payment Estimate
$380 / month
$293 / month
The Car Connection's Take
TCC Rating
7.6
TCC’s Bottom Line
The 2008 GMC Sierra isn’t the most macho-looking of the full-size trucks, but it’s one of the easiest to live with.
TCC Likes
TCC Dislikes
Fuel Economy
City
16 mpg 15 mpg
Highway
22 mpg 20 mpg
Interior Dimensions
Second Head Room (in)
37.9 -
Second Shoulder Room (in)
57.2 -
Front Leg Room (in)
42.2 41.3
Front Hip Room (in)
53.3 62.5
Second Leg Room (in)
23.1 -
Passenger Capacity
4 3
Front Head Room (in)
39.6 41.5
Second Hip Room (in)
57.6 -
Front Shoulder Room (in)
57.1 65.2
Exterior Dimensions
Ground Clearance, Rear (in)
NA 13.4
Cab to End of Frame (in)
NA - TBD -
Height, Overall (in)
64.9 73.6
Ground to Top of Frame (in)
NA - TBD -
Overhang, Rear w/o bumper (in)
NA 47.2
Wheelbase (in)
126.0 119.0
Ground Clearance, Front (in)
NA 7.7
Cab to Axle (in)
34.2 41.9
Width, Max w/o mirrors (in)
67.6 79.9
Ground to Top of Load Floor (in)
NA 34.7
Overhang, Front (in)
NA 39.4
Frame Width, Rear (in)
NA - TBD -
Front Bumper to Back of Cab (in)
125.6 116.5
Length, Overall w/o rear bumper (in)
207.1 205.6
Cargo Area Dimensions
Cargo Box (Area) Height (in)
18.6 21.0
Cargo Volume (ft³)
44.0 60.7
Cargo Box Width @ Top, Rear (in)
NA 61.6
Cargo Box Width @ Wheelhousings (in)
42.6 50.6
Tailgate Width (in)
52.4 61.6
Cargo Box Length @ Floor (in)
72.8 78.7
Ext'd Cab Cargo Volume (ft³)
NA NA
Cargo Box Width @ Floor (in)
57.2 62.5
Brakes
Drum - Rear (Yes or )
Yes Yes
Brake ABS System (Second Line)
NA NA
Disc - Rear (Yes or )
NA NA
Rear Brake Rotor Diam x Thickness (in)
NA NA
Brake ABS System
4-Wheel 4-Wheel
Rear Drum Diam x Width (in)
- TBD - - TBD -
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
- TBD - - TBD -
Brake Type
Pwr Pwr
Fuel Tank
Aux Fuel Tank Location
NA NA
Fuel Tank Capacity, Approx (gal)
19.5 26
Fuel Tank Location
NA NA
Aux Fuel Tank Capacity, Approx (gal)
NA NA
Steering
Steering Ratio (:1), At Lock
NA - TBD -
Turning Diameter - Wall to Wall (ft)
NA - TBD -
Steering Ratio (:1), On Center
19.1 - TBD -
Turning Diameter - Curb to Curb (ft)
44.3 39.7
Steering Type
Pwr Rack & Pinion Pwr
Tires
Spare Tire Capacity (lbs)
- TBD - - TBD -
Front Tire Size
P225/75R15 P245/70R17
Revolutions/Mile @ 45 mph - Rear
- TBD - - TBD -
Spare Tire Size
Compact P245/70R17
Front Tire Order Code
QET QPR
Rear Tire Capacity (lbs)
- TBD - 2004
Spare Tire Order Code
NA QPR
Revolutions/Mile @ 45 mph - Front
- TBD - - TBD -
Rear Tire Size
P225/75R15 P245/70R17
Revolutions/Mile @ 45 mph - Spare
- TBD - - TBD -
Front Tire Capacity (lbs)
- TBD - 2004
Rear Tire Order Code
QET QPR
Trailering
Wt Distributing Hitch - Max Trailer Wt. (lbs)
5500 4800
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
NA NA
Dead Weight Hitch - Max Tongue Wt. (lbs)
500 480
Wt Distributing Hitch - Max Tongue Wt. (lbs)
550 720
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
5000 4800
Weight Information
Curb Weight - Rear (lbs)
1609 1771
Gross Axle Wt Rating - Front (lbs)
2533 3200
Gross Combined Wt Rating (lbs)
9500 9500
Curb Weight - Front (lbs)
1966 2541
Gross Vehicle Weight Rating Cap (lbs)
5000 6400
Gross Axle Wt Rating - Rear (lbs)
2896 3750
Wheels
Front Wheel Material
Aluminum Steel
Spare Wheel Material
- TBD - Steel
Front Wheel Size (in)
15 x 6.5 17 x 7.5
Spare Wheel Size (in)
compact 17 x 7.5
Rear Wheel Material
Aluminum Steel
Rear Wheel Size (in)
15 x 6.5 17 x 7.5
Cooling System
Total Cooling System Capacity (qts)
10.6 15.7
Electrical
Cold Cranking Amps @ 0° F (2nd)
NA NA
Maximum Alternator Watts
NA NA
Cold Cranking Amps @ 0° F (Primary)
690 600
Maximum Alternator Capacity (amps)
125 145
Engine
Engine Type
Gas I5 Gas V6
Fuel System
SFI MFI
SAE Net Torque @ RPM
242 @ 4600 260 @ 2800
Engine Order Code
LLR LU3
Displacement
3.7L/223 4.3L/262
Engine Oil Cooler
NA NA
SAE Net Horsepower @ RPM
242 @ 5600 195 @ 4600
Mileage
EPA Fuel Economy Est - City (MPG)
16 15
EPA Fuel Economy Est - Hwy (MPG)
22 20
Transmission
Transfer Case Gear Ratio (:1), High
NA NA
Drivetrain
4-Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
2.29 2.29
Second Gear Ratio (:1)
1.63 1.63
Trans Order Code
M30 M30
Transfer Case Power Take Off
NA NA
Trans Power Take Off
NA NA
Fourth Gear Ratio (:1)
0.70 0.70
Trans Description Cont.
Automatic w/OD Automatic w/OD
Transfer Case Model
NA NA
Sixth Gear Ratio (:1)
NA NA
First Gear Ratio (:1)
3.06 3.06
Transfer Case Gear Ratio (:1), Low
NA NA
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.00 1.00
Trans Type
4 4
Trans PTO Access
NA NA
Fifth Gear Ratio (:1)
NA NA
Trans Description Cont. Again
NA NA
Summary
Vehicle Name
Isuzu i-370 GMC Sierra 1500
Body Code
NA E63
Body Style
Extended Cab Reg Cab 6.5' Wideside
Suspension
Stabilizer Bar Diameter - Front (in)
- TBD - 1.26
Axle Capacity - Rear (lbs)
2896 3750
Spring Capacity - Front (lbs)
- TBD - 3200
Axle Ratio (:1) - Rear
3.73 3.23
Axle Type - Front
Semi-floating - TBD -
Shock Absorber Diameter - Rear (mm)
NA 35
Axle Capacity - Front (lbs)
2533 3200
Suspension Type - Rear
Leaf Spring 2-stage multi-leaf
Stabilizer Bar Diameter - Rear (in)
NA NA
Axle Ratio (:1) - Front
3.73 NA
Spring Capacity - Rear (lbs)
- TBD - 3750
Shock Absorber Diameter - Front (mm)
NA 35
Axle Type - Rear
Semi-floating - TBD -
Suspension Type - Front
Coil Spring Independent
Frame
Frame Type
NA Hydroformed

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