 2005
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2004
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2002
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Car Financing
|
Dimensions and capacities are in inches unless otherwise specified.
|
Powertrain
/ Chassis
|
Vortec 4300 4.3L V-6 (LU3)
|
Vortec 4800 4.8L V-8 (LR4)
|
Vortec 5300 5.3L V-8 (LM7)
|
Vortec 6000 6.0L V-8 (LQ4)
|
|
Type
|
4.3L V-6
|
4.8L V-8
|
5.3L V-8
|
6.0L V-8
|
|
Displacement (cu in / cc)
|
262 / 4300
|
293 / 4807
|
325 / 5328
|
364 / 5967
|
|
Bore & stroke (in / mm)
|
4.00 x 3.48 / 101.6 x 88
|
3.78 x 3.27 / 96.01 x 83
|
3.78 x 3.62 / 96.01 x 92
|
4 x 3.62 / 101.6 x 92
|
|
Block material
|
cast iron
|
cast iron
|
cast iron
|
cast iron
|
|
Cylinder head material
|
cast iron
|
cast aluminum
|
cast aluminum
|
cast aluminum
|
|
Valvetrain
|
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
|
Ignition system
|
composite distributor, platinum-tip spark plugs,
low-resistance spark plug wires
|
composite distributor, platinum-tip spark plugs,
low-resistance spark plug wires
|
electronic spark control, composite distributor,
platinum-tip spark plugs
|
coil near plug, platinum-tip spark plugs, low-resistance
spark plug wires
|
|
Fuel delivery:
|
sequential fuel injection
|
sequential fuel injection
|
sequential fuel injection
|
sequential fuel injection
|
|
Compression ratio:
|
9.2:1
|
9.5:1
|
9.5:1
|
9.4:1
|
|
Horsepower (hp / kw @ rpm)
|
195 / 145 @ 4400
|
285 / 213 @ 5200
|
295 / 220 @ 5200
|
300 / 224 @ 4400
|
|
Torque (lb-ft / Nm @ rpm)
|
260 / 353 @ 2800
|
295 / 400 @ 4000
|
330 / 447 @ 4000
|
360 / 488 @ 4000
|
|
Recommended fuel:
|
87 octane
|
87 octane
|
87 octane
|
87 octane
|
|
Maximum engine speed (rpm)
|
5600
|
5600
|
5600
|
5600
|
|
Emissions controls
|
3-way catalytic converter, exhaust gas recirculation,
positive crankcase ventilation, evaporative collection system
|
3-way catalytic converter, exhaust gas recirculation,
positive crankcase ventilation, evaporative collection system
|
3-way catalytic converter, exhaust gas recirculation,
positive crankcase ventilation, evaporative collection system
|
3-way catalytic converter, exhaust gas recirculation,
positive crankcase ventilation, evaporative collection system
|
| MPG (city / hwy / combined) |
| Passenger |
14 / 18 / 16
|
N/A
|
13 / 17 / 15
|
N/A
|
|
Cargo
|
14 / 18 / 16
|
N/A
|
14 / 17 / 15
|
N/A
|
| MPIG (city / hwy / combined) |
| Passenger |
2WD: 17 / 23 / 19
|
N/A
|
2WD: 17 / 25 / 20
|
N/A
|
|
AWD: 17 / 22 / 19
|
|
Cargo
|
2WD: 17 / 24 / 20
|
N/A
|
AWD: 17 / 23 / 19
|
N/A
|
| L/100km (city / hwy / combined) |
| Passenger |
2WD: 16.6 / 12.1 / 14.6
|
N/A
|
2WD: 16.4 / 11.5 / 14.2
|
N/A
|
|
AWD: 17.0 / 13.1 / 15.2
|
| Cargo |
2WD: 16.4 / 11.8 / 14.3
|
N/A
|
AWD: 16.3 / 12.1 / 14.5
|
N/A
|
| Chassis / Suspension
|
G1500
|
H1500
|
G2500
|
G3500
|
|
Front
|
independent short/long arm (SLA) coil springs, 33-mm
stabilizer bar
|
independent short/long arm (SLA) torsion bars, 33-mm
stabilizer bar
|
independent short/long arm (SLA) coil springs, 35-mm
stabilizer bar
|
independent short/long arm (SLA) coil springs, 35-mm
stabilizer bar
|
|
Rear
|
2-stage, semi-elliptic multileaf springs and semifloating
rear axle
|
2-stage, semi-elliptic multileaf springs and semifloating
rear axle
|
2-stage, semi-elliptic multileaf springs and semifloating
rear axle (depending on the GVW)
|
2-stage, semi-elliptic multileaf springs and semifloating
rear axle
|
|
Steering type (all models)
|
power, rack and pinion
|
power, rack and pinion
|
integral power
|
integral power
|
|
Steering ratio
|
17.2:1
|
17.2:1
|
17.2:1
|
17.2:1
|
|
Steering wheel turns, lock-to-lock
|
3
|
3
|
3
|
3
|
|
Turning circle, curb-to-curb (ft / m)
|
|
135-in WB
|
43.4 / 13.2
|
43.4 / 13.2
|
49.2 / 15
|
49.2 / 15
|
|
155-in WB
|
–
|
-
|
54.5 / 16.6
|
54.5 / 16.6
|
| Transmission
|
Hydra-Matic 4L60-E
|
Hydra-Matic 4L80-E
|
|
Type
|
4-speed electronic automatic with overdrive and
torque converter
|
4-speed heavy-duty electronic automatic with overdrive
and torque converter
|
|
Gear ratios (:1)
|
|
|
|
First
|
3.06
|
2.48
|
|
Second
|
1.63
|
1.48
|
|
Third
|
1:00
|
1:00
|
|
Fourth
|
0.70
|
0.75
|
|
Reverse
|
2.29
|
2.08
|
|
Final drive ratio
|
3.42:1 std with 4.3L, 5.3L on 1500 Series
|
|
3.73:1 std with 4.3L on 2500 Series; opt with 5.3L
on 1500 Series and std with 5.3L on 2500 Series; std with 4.8L on
2500 Series and some 6.0L models
|
|
4.10:1 opt with 4.8L on 2500 Series and std on 3500
Series; std or opt with 6.0L, depending on the model
|
| Brakes |
|
Type (all models): Hydroboost 4-wheel disc, 4-wheel ABS with Dynamic
Rear Proportioning
|
|
6,200-7,300 lb GVW
|
7300 lb GVWR
|
8,600 lb GVW
|
9,600 lb GVW
|
12,000-12,300 lb GVW
|
|
Rotor diameter x thick (in / mm)
|
|
Front
|
12 x 1.14 / 05 x 29
|
12 x 1.14 / 305 x 29
|
12.8 x 1.5/ 325 x 38
|
12.8 x 1.5 / 325 x 38
|
12.8 x 1.5 /325 x 38
|
|
Rear
|
13 x 1.18 / 330 x 30
|
13 x 1.14 / 330 x 29
|
13 x 1.14 / 330 x 29
|
13 x 1.14 / 330 x 29
|
12.8 x 1.18 / 325 x 30
|
|
Total swept area (sq in / sq cm)
|
|
Front
|
214 / 1378
|
214 / 1378
|
246 / 1584
|
245 / 1584
|
245 / 1584
|
|
Rear
|
237 / 1526
|
237 / 1526
|
237 / 1526
|
237 / 1526
|
235 / 1517
|
| Exterior
Dimensions |
G1500 Regular
|
G2500 Regular
|
G3500 Regular
|
G3500 Extended
|
|
Wheelbase (in / mm)
|
135 / 3429
|
135 / 3429
|
135 / 3429
|
155 / 3937
|
|
Overall length (in / mm)
|
224 / 5691
|
224 / 5691
|
224 / 5691
|
244 / 6199
|
|
Overall width (in / mm)
|
79.4 / 2018
|
79.4 / 2018
|
79.4 / 2018
|
79.4 / 2018
|
|
Overall height (in / mm)
|
81.6 / 2072
|
81.6 / 2072
|
81.6 / 2072
|
82 / 2084
|
|
Track (in / mm)
|
|
|
|
|
|
Front
|
67.8 / 1721
|
67.8 / 1721
|
67.8 / 1721
|
67.8 / 1721
|
|
Rear
|
67.8 / 1721
|
67.8 / 1721
|
67.8 / 1721
|
67.8 / 1721
|
|
Min. ground clearance (in / mm)
|
|
Front
|
8 / 202
|
8.2 / 207
|
8.2 / 207
|
8.1 / 207
|
|
Rear
|
7.4 / 188
|
7.1 / 180
|
7.1 / 180
|
7.7 / 195
|
|
Ground to top of rear load floor (in / mm)
|
|
Passenger
|
25.5 / 648
|
27.2 / 690
|
27.8 / 707
|
27.8 / 707
|
|
Cargo
|
22.8 / 580
|
25.1 / 637
|
27.8 / 707
|
27.8 / 707
|
|
Step-in height (in / mm)
|
|
Passenger, front door
|
17.3 / 439
|
19 / 483
|
19.6 / 498
|
19.6 / 498
|
|
Passenger, side door
|
15.5 / 394
|
18 / 457
|
19.5 / 495
|
19.6 / 498
|
|
Cargo, front door
|
16.9 / 428
|
18.8 / 478
|
20.5 / 521
|
20.6 / 523
|
|
Cargo, side door
|
15.5 / 394
|
18 / 457
|
19.5 / 495
|
19.6 / 498
|
|
Curb weight (lb / kg)
|
|
Cargo
|
4845 / 2198
|
5017 / 2276
|
5427 / 2462
|
5625 / 2552
|
|
Passenger
|
5258 / 2385
|
5877 / 2666
|
6015 / 2728
|
6333 / 2873
|
| Interior
Dimensions |
G1500 Regular
|
G2500 Regular
|
G3500 Regular
|
G3500 Extended
|
|
Seating capacity (std / opt)
|
|
Passenger van
|
8
|
12 / 8
|
12 / 8
|
12 / 15
|
|
Cargo van
|
2 / 1
|
2 / 1
|
2 / 1
|
2 / 1
|
|
Headroom (in / mm)
|
|
Front
|
40.2 / 1022
|
40.2 / 1022
|
40.2 / 1022
|
40.2 / 1022
|
|
Middle (first row)
|
38.5 / 979
|
38.5 / 979
|
38.5 / 979
|
38.5 / 979
|
|
Middle (second row)
|
38.1 / 968
|
38.1 / 968
|
38.1 / 968
|
38.1 / 968
|
|
Rear (12-pass)
|
-
|
37.7 / 957
|
37.7 / 957
|
37.7 / 957
|
|
Rear (15-pass)
|
-
|
-
|
-
|
37.7 / 957
|
|
Leg room (in / mm)
|
Front |
41.3 / 1048
|
41.3 / 1048
|
41.3 / 1048
|
41.3 / 1048
|
|
Middle (first row)
|
34.8 / 883
|
34.8 / 883
|
34.8 / 883
|
34.8 / 883
|
|
Middle (second row)
|
37.6 / 954
|
37.6 / 954
|
37.6 / 954
|
37.6 / 954
|
|
Rear (12-pass)
|
-
|
39.8 / 1010
|
39.8 / 1010
|
39.8 / 1010
|
|
Rear (15-pass)
|
-
|
-
|
-
|
36.4 / 925
|
|
Shoulder room (in / mm)
|
|
Front
|
68.8 / 1748
|
68.8 / 1748
|
68.8 / 1748
|
68.8 / 1748
|
|
Middle (first row)
|
68.9 / 1750
|
68.9 / 1750
|
68.9 / 1750
|
68.9 / 1750
|
|
Middle (second row)
|
63.5 / 1612
|
63.5 / 1612
|
63.5 / 1612
|
63.5 / 1612
|
|
Rear (12-pass)
|
-
|
68.3 / 1734
|
68.3 / 1734
|
68.3 / 1734
|
|
Rear (15-pass)
|
-
|
-
|
-
|
62.7 / 1593
|
|
Hip room (in / mm)
|
|
Front
|
65.5 / 1664
|
65.5 / 1664
|
65.5 / 1664
|
65.5 / 1664
|
|
Middle (first row):
|
66 / 1675
|
66 / 1675
|
66 / 1675
|
66 / 1675
|
|
Middle (second row)
|
64.4 / 1635
|
64.4 / 1635
|
64.4 / 1635
|
64.4 / 1635
|
|
Rear (12-pass)
|
-
|
59.6 / 1515
|
59.6 / 1515
|
59.6 / 1515
|
|
Rear (15-pass)
|
-
|
-
|
-
|
63.2 / 1605
|
|
Cargo volume (cu ft / L)
|
|
Behind front seat
|
204 / 5776
|
204 / 5776
|
204 / 5776
|
237.3 / 6719
|
|
Width between wheelhousings (in / mm)
|
|
Cargo
|
50.5 / 1282
|
50.5 / 1282
|
50.5 / 1282
|
50.5 / 1282
|
|
Passenger
|
50.5 / 1282
|
50.5 / 1282
|
50.5 / 1282
|
50.5 / 1282
|
|
Load floor length (in / mm)
|
|
Behind 1st row seat, Cargo
|
127.8 / 3246
|
127.8 / 3246
|
127.8 / 3246
|
127.8 / 3246
|
|
Behind 1st row seat, Passenger
|
126.3 / 3208
|
126.3 / 3208
|
126.3 / 3208
|
146.3 / 3716
|
|
Behind 2nd row, passenger:
|
89.4 / 2272
|
89.4 / 2272
|
89.4 / 2272
|
109.4 / 2778
|
|
Behind 3rd row, Passenger
|
57. 4 / 1457
|
57.4 / 1457
|
57.4 / 1457
|
77.5 / 1969
|
|
Behind 4th row, Passenger
|
-
|
-
|
-
|
45.6 / 1159
|
|
Behind 5th row, Passenger
|
-
|
-
|
-
|
12 / 306
|
|
Interior height (in / mm)
|
|
Cargo
|
51.9 / 1318
|
51.9 / 1318
|
51.9 / 1318
|
51.9 / 1318
|
|
Passenger
|
51.9 / 1318
|
51.9 / 1318
|
51.9 / 1318
|
51.9 / 1318
|
| Capacities |
G1500 Regular
|
G2500 Regular
|
G3500 Regular
|
G3500 Extended
|
|
GVWR (lb / kg)
|
|
Passenger van (standard)
|
7200 / 3266
|
8600 / 3901
|
9600 / 4354
|
9600 / 4354
|
|
Cargo van (standard)
|
6200 / 2812
|
7300 / 3311
|
9600 / 4354
|
9600 / 4354
|
|
Payload, base (lb / kg)
|
|
Cargo van
|
1355 / 615
|
2283 / 1036
|
4173 / 1893
|
3975 / 1803
|
|
Passenger van
|
1942 / 881
|
2723 / 1235
|
3585 / 1626
|
3267 / 1482
|
|
Trailer towing maximum (lb / kg)
|
|
Passenger
|
6600 / 2905
|
8000 / 3628
|
10000 / 4538
|
10000 / 4538
|
|
Cargo
|
6100 / 2767
|
8600 / 3901
|
10000 / 4538
|
10000 / 4538
|
|
Fuel tank (gal / L)
|
31 / 117
|
31 / 117
|
31 / 117
|
31 / 117
|
|
Maximum tongue weight
|
Trailer tongue weight should be 10-15 percent of
the total loaded trailer weight, up to 1,000 pounds. Weight-carrying
hitch limit on 4,000-lb (1,814-kg) trailer is 400-pound (181-kg)
tongue weight. Weight-distributing hitch and sway control required
for over 4,000-pound (1,814-kg) trailer weight.
|
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either expressed or implied with respect to the data presented here. All
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