|
|
| Model
Lineup |
Engine
|
Transmissions
|
|
Vortec 4300
4.3L V6
|
4-spd auto
(Hydra-Matic 4L60-E)
|
5-spd man
(MW2)
|
5-spd man
(M50)
|
4-spd auto
(Hydra-Matic
4L60-E)
|
|
2WD Regular Cab
|
Standard
|
Optional
|
Standard
|
-
|
Optional
|
|
2WD Regular Cab long box
|
Standard
|
Optional
|
-
|
-
|
Standard
|
| 2WD Extended Cab |
Standard
|
Optional
|
Standard
|
-
|
Optional
|
| 4WD Extended Cab |
-
|
Standard
|
-
|
Standard
|
Optional
|
| 4WD Crew Cab |
-
|
Standard
|
-
|
-
|
Standard
|
| Engine |
Vortec
2200 2.2L L4 (L43)
|
Vortec
4300 4.3L V6 (L35)
|
| Type |
2.2-liter inline four cylinder
|
4.3-liter V6
|
| Application |
standard with 2WD models
|
standard with 4WD models
|
|
optional with 2WD models
|
| Displacement (cu in / cc) |
134 / 2189
|
262 / 4293
|
| Bore & stroke (in / mm) |
3.50 x 3.46 / 89.0 x 88.0
|
4.00 x 3.48 / 101.6 x 88.39
|
| Block material |
cast iron
|
cast iron
|
| Cylinder head material |
cast aluminum
|
cast iron
|
| Valvetrain |
pushrod, OHV, 2 valves per cylinder
|
pushrod, OHV, 2 valves per cylinder
|
| Ignition system |
distributorless, platinum-tipped
spark plugs
|
composite distributor, platinum-tipped
spark plugs low-resistance spark plug wires
|
| Fuel delivery |
sequential fuel injection
|
sequential fuel injection
|
| Compression ratio |
9.0:1
|
9.2:1
|
| Horsepower (hp / kw @ rpm) |
120 / 89 @ 5000
|
2WD: 180 / 134 @ 4400
|
|
4WD: 190 / 142 @ 4400
|
| Torque (lb-ft / Nm @ rpm) |
140 / 190 @ 3600
|
2WD: 245 / 332 @ 2800
|
|
4WD: 250 / 339 @ 2800
|
| Recommended fuel |
87 octane
(85 percent ethanol capable)
|
87 octane
|
| Maximum engine speed (rpm) |
6000
|
5600
|
| Emissions controls |
three-way catalytic converter, exhaust
gas recirculation, positive crankcase ventilation,
evaporative collection system
|
three-way catalytic converter, exhaust
gas recirculation, positive crankcase ventilation,
evaporative collection system
|
Estimated fuel economy
(mpg city / hwy / combined) |
5-speed manual: 22/28 /24
|
5-speed manual: 17/ 22/19
|
|
4-speed auto: 19/25/21
|
4-speed auto: 16/22/18
|
| Transmissions |
MW2
|
M50
|
Hydra-Matic
4L60-E
|
|
Type
|
5-speed manual
|
5-speed manual
|
4-speed auto
|
|
Gear ratios (:1):
|
|
1st
|
3.96
|
3.49
|
3.06
|
|
2nd
|
2.37
|
2.16
|
1.63
|
|
3rd
|
1.49
|
1.40
|
1:00
|
|
4th
|
1.00
|
1.00
|
0.70
|
|
5th
|
0.83
|
0.73
|
-
|
| Reverse |
3.54
|
3.55
|
2.29
|
|
Final drive ratio
|
3.08-4.10:1
|
|
3.73:1 standard with ZR2 wide stance
package
|
| Chassis / Suspension |
2003 GMC
Sonoma
|
|
Front
|
independent with upper and lower
control arms, 25mm stabilizer bar (33mm with ZQ8 suspension);
2WD: coil spring; 4WD: torsion bar
|
|
Rear
|
two-stage, variable-rate, multileaf
springs, 25mm stabilizer bar (23mm with ZQ8 suspension)
|
|
Steering type
|
variable-ratio, integral power,
recirculating ball-type
|
| Steering ratio |
13:1 (2WD or 4WD at stop)
|
| Steering wheel turns, lock-to-lock |
2WD: 2.8
|
|
4WD: 3.2
|
| Turning circle, curb-to-curb
(ft / m) |
Reg. Cab Short Box: 37 / 10.6
|
|
Ext. Cab: 41.6 / 12.7
|
| Brakes |
2003 GMC
Safari
|
| Type |
2WD: vacuum power, front disc /
rear drum, ABS
|
|
4WD: vacuum power, 4-wheel disc,
ABS
|
|
Rotor diameter x thickness (in / mm)
|
Front: 2WD: 10.05 x 1.03 / 267 x
26
|
|
Front: 4WD: 10.82 x 1.14 / 275 x
29
|
|
Rear: 4WD, 11.6 x .787 / 295 x 20
|
| Drum diameter x width (in / mm) |
rear: 2WD, 9.5 x 2.0 / 255 x 26
|
|
Total swept area (sq in / sq cm)
|
front: 190.1 / 3115.1
|
|
rear: 118.5 / 1941.9
|
| Wheels / Tires |
2003 GMC
Sonoma
|
|
Wheel size & type
|
2WD, 4WD: 15-inch x 7.0-inch steel
|
|
4WD Crew Cab: 15-inch x 7.0-inch
aluminum
|
|
Tires
|
4WD Crew Cab: 15-inch x 7.0-inch aluminum
|
|
4WD: P235/70R15 standard all-season
steel-belted radial blackwalls optional
|
|
4WD with Z85 suspension: P235/75R15
on-/off-road steel-belted radials with white outline
letters
|
|
ZR2 models: 31-inch x 10.5-inch
R15 LTC on-/off-road steel-belted radial blackwalls
2WD with ZQ8 suspension: P235/55R16 all-season, steel-belted
radial blackwalls full-size spare standard on ZR2-equipped
models and available on others (excluding those with
the ZQ8 package)
|
| Exterior
Dimensions |
Reg. Cab
2WD
|
Reg. Cab
2WD
Long Box
|
Ext. Cab
2WD
|
Ext. Cab
4WD
|
Crew
Cab 4WD
|
| Wheelbase (in
/ mm) |
108.3 / 2751
|
117.9 / 2995
|
122.9 / 3122
|
122.9 / 3122
|
122.9 / 3122
|
| Overall length (in / mm) |
190.6 / 4841
|
206.6 / 5248
|
205.3 / 5215
|
205.3 / 5215
|
205.3 / 5215
|
| Overall width (in / mm) |
205.3 / 5215
|
67.9 / 1725
|
67.9 / 1725
|
67.9 / 1725
|
67.9 / 1725
|
| Overall height (in / mm) |
62 / 1575
|
62 / 1575
|
62.7 / 1593
|
63.4 / 1610
|
63.4 / 1610
|
| Track (in / mm) |
Front
|
54.4 / 1381
|
54.9 / 1394
|
54.5 / 1384
|
57.2 / 1453
|
57.2 / 1453
|
|
Rear
|
54.6 / 1387
|
54.6 / 1387
|
54.6 / 1387
|
55.1 / 1400
|
55.1 / 1400
|
Minimum ground clearance
(in / mm) |
Front
|
9.1 / 234
|
8.7 / 221
|
9.1 / 234
|
8.5 / 216
|
8.5 / 216
|
|
Rear
|
7.2 / 183
|
6.7 / 170
|
7.2 / 183
|
7.5 / 191
|
7.5 / 191
|
Ground to top of load
floor (in / mm) |
25.9 / 656
|
28.1 / 714
|
27.7 / 704
|
27.2 / 691
|
27.2 / 691
|
| Step-in height (in / mm) |
17.3 / 439
|
18.2 / 462
|
17.9 / 455
|
18.7 / 475
|
N/A
|
| Curb weight: (lbs / kg) |
3042 / 1380
|
3314 / 1503
|
3212 / 1457
|
3788 / 1718
|
4234 / 1920
|
Weight distribution
(% front / rear) |
57 / 43
|
57/ 43
|
57 / 43
|
61 / 39
|
59 / 41
|
| Cargo Box |
Short Box
|
Long Box
|
Crew Cab
Box
|
| Cargo volume (cu ft / liters) |
39.4 / 1101
|
N/A
|
30.2 / 855
|
| Length at floor (in / mm) |
72.8 / 1849
|
N/A
|
55.2 / 1402
|
| Width at floor (in / mm) |
54.9 / 1394
|
54.9 / 1394
|
56.6 / 1438
|
| Width at top (in / mm) |
54.9 / 1394
|
54.9 / 1394
|
56.6 / 1438
|
| Width between wheelhousings |
40.3 / 1024
|
40.3 / 1024
|
40.4 / 1026
|
| Tailgate width (in / mm) |
54.9 / 1394
|
54.9 / 1394
|
56.6 / 1438
|
| Inside height (in / mm) |
17.1 / 434
|
17.1 / 434
|
17.1 / 434
|
| Interior
Dimensions |
Regular
Cab
|
Extended
Cab
|
Crew Cab
|
|
Seating capacity
|
2 / 3
|
3 / 4
|
5
|
|
Head room (in / mm)
|
Front
|
39.5 / 1003
|
39.6 / 1006
|
39.4 / 1002
|
|
Rear
|
-
|
|
38.2 / 970
|
|
Legroom (in / mm)
|
Front
|
42.4 / 1076
|
42.4 / 1076
|
42.7 / 1084
|
|
Rear
|
-
|
|
34.6 / 878
|
|
Shoulder room (in / mm)
|
Front
|
56.9 / 1443
|
56.9 / 1443
|
57.1 / 1450
|
|
Rear
|
-
|
|
57.2 / 1452
|
|
Hip room (in / mm)
|
Front
|
53.6 / 1361
|
51.6 / 1311
|
53.6 / 1361
|
|
Rear
|
-
|
|
53.7 / 1363
|
| Capacities |
Regular
Cab
|
Extended
Cab
|
Crew Cab
|
| GVWR, standard (lbs / kg) |
2WD
|
4200 / 1905
|
4400 / 1996
|
|
|
4WD
|
|
5150 / 2336
|
5150 / 2336
|
| Payload, base (lbs / kg) |
2WD
|
1157 / 525
|
1188 / 539
|
|
|
4WD
|
|
1362 / 618
|
1111 / 504
|
| Fuel tank (gals / liters) |
18 / 68.1
|
18.3 / 69.3
|
17.5 / 66.3
|
| Capacities |
Vortec
2200
|
Vortec
4300
|
| Engine oil (qts / liters) |
4.5 / 4.3
|
4.5 / 4.3
|
Cooling system:
(qts / liters) |
manual
|
11.5 / 10.8
|
11.9 / 11.3
|
|
auto
|
11.5 / 10.8
|
11.7 / 11.1
|
| Maximum trailer weight (lbs
/ kg) |
2WD Regular Cab
|
3100 / 1406
|
5900 / 2676
|
|
2WD: Extended Cab
|
3000 / 1360
|
5600 / 2540
|
|
4WD: Extended Cab
|
-
|
5500 / 2494
|
|
4WD Crew Cab
|
-
|
5200 / 2358
|
| Maximum tongue weight |
Tongue load
should be 10-15 percent of total trailer weight up to
750 lbs. (340 kg) |
 Used
Car Price Quote on a 2003 GMC Sonoma.
|
|
 |
Car Reviews
2003
GMC Sonoma (Regular Cab) - Review
