|
2003 Chevy Suburban - Specs
|
|
| Model
Lineup |
Engines
|
Transmissions
|
|
Vortec
5300 5.3L V8
|
Vortec
6000 6.0L V8
|
Vortec
8100 8.1L V8
|
4-spd
auto (Hydra-Matic 4L60-E)
|
4-spd
auto (Hydra-Matic 4L80-E)
|
4-spd
auto (Hydra-Matic 4L85-E)
|
| LS / LT 1/2-ton |
Standard
|
-
|
-
|
Standard
|
-
|
-
|
| LS / LT 3/4-ton |
-
|
Standard
|
Optional
|
-
|
Standard
|
Optional
|
| Engine |
Vortec
5300
5.3L V8 (L59) |
Vortec
6000
6.0L V8 (LQ4) |
Vortec
8100
8.1L V8 (L18) |
| Type |
5.3-liter V8 |
6.0-liter V8 |
8.1-liter V8 |
| Displacement (cu in / cc) |
327 / 5328 |
364 / 5967 |
496 / 8128 |
| Bore & stroke (in / mm) |
3.78x3.62 / 96x92 |
4.00x3.62 / 101.6x92 |
4.25x4.37/107.95x111 |
| Block material |
cast iron |
cast iron |
cast iron |
| Cylinder head material |
cast aluminum |
cast aluminum |
cast aluminum |
| Valvetrain |
OHV |
OHV |
OHV |
| Ignition system |
coil near-plug ignition,
platinum-tipped spark plugs, low-resistance spark
plug wires |
coil near-plug ignition,
platinum-tipped spark plugs, low-resistance spark
plug wires |
coil near-plug ignition
platinum-tipped spark plugs |
| Fuel delivery |
sequential fuel injection |
sequential fuel injection |
sequential fuel injection |
| Compression ratio |
9.5:1 |
9.4:1 |
9.1:1 |
| Horsepower (hp / kw @ rpm) |
285 / 213 @ 5200 |
320 / 239 @ 5000 |
340 / 254 @ 4200 |
| Torque (lb-ft / Nm @ rpm) |
325 / 441 @ 4000 |
360 / 488 @ 4000 |
455 / 617 @ 3200 |
| Recommended fuel |
ethanol-capable flex fuel
|
87 octane
|
87 octane
|
| Maximum engine speed (rpm) |
5900 |
5600 |
5000 |
| Emissions controls |
three-way catalytic converter,
positive crankcase ventilation, evaporative collection
system |
three-way catalytic converter,
positive crankcase ventilation, evaporative collection
system |
air injection reaction
(available) |
Estimated fuel economy
(mpg city/ hwy/ combined) |
2WD: 14 / 18 / 16 |
Not available |
Not available |
| 4WD: 13 / 17 / 15 |
Not available |
Not available |
| Transmission |
Hydra-Matic
4L60-E
|
Hydra-Matic
4L80-E |
Hydra-Matic
4L85-E |
| Type |
four-speed electronic
automatic |
four-speed electronic
automatic |
four-speed electronic
automatic |
| Gear ratios (:1) |
| First |
3.06 |
2.48 |
2.48 |
| Second |
1.63 |
1.48 |
1.48 |
| Third |
1.00 |
1.00 |
1.00 |
| Fourth |
0.70 |
0.75 |
0.75 |
| Reverse |
2.29 |
2.08 |
2.08 |
| Final drive ratio (all models, optional) |
3.42:1 — 4.10:1 |
3.42:1 — 4.10:1 |
3.42:1 — 4.10:1 |
| Chassis
/ Suspension |
2003
Chevy Suburban |
| Front |
independent with torsion bars
|
| Rear |
1/2-ton: 5-link coil
spring |
|
3/4-ton: two stage, semi-elliptic,
multileaf springs and semifloating rear axle
|
| Traction control system |
full-function standard;
Precision Control System |
| Steering type |
| 1/2-ton |
2WD: power integral gear |
| 4WD: power integral gear
w/EVO Variable Assist |
| 3/4-ton |
2WD: power integral gear |
| 4WD: power integral gear |
| Gear ratio |
| 1/2-ton |
14:1 gear, 15.8:1 overall |
| 3/4-ton |
15 / 13:1 variable ratio
gear, 16.2:1 overall |
| Steering wheel turns, lock-to-lock |
| 1/2-ton |
3.2 |
| 3/4-ton |
3.2 |
| Turning
circle, curb-to-curb (ft / m) |
| 1/2-ton |
43.0 / 13.1 |
| 3/4-ton |
44.3 / 13.5 |
| Brakes |
2003
Chevy Suburban |
| Type |
four-wheel
disc, four-wheel ABS, dual-piston calipers
w/ Dynamic Rear Proportioning |
| Rotor diameter x thickness
(in / mm) |
| 1/2-ton |
Front |
12.01 x 1.14 / 305 x
29 |
| Rear |
13.0
x 1.18 / 330 x 30 |
| 3/4-ton |
Front |
12.80 x 1.50 / 325 x
38 |
| Rear |
13.0 x 1.14 / 330 x 29 |
| Wheels
/ Tires |
2003
Chevy Suburban |
| Wheel size and type |
1/2-ton |
16-inch x 7-inch cast
aluminum |
| 3/4-ton |
16-inch
x 6.5-inch forged cast aluminum |
| Tires |
1/2-ton |
P265/70R16 all-season,
steel-belted radials |
| 1/2-ton |
P245/75R16 all-season,
steel-belted radials |
| 3/4-ton |
LT245/75R16 all-season,
steel-belted radials |
| Exterior
Dimensions |
2003
Chevy Suburban |
| Wheelbase (in / mm) |
130
/ 3302 |
| Overall length (in / mm) |
219.3 / 5570 |
| Overall
width (in / mm) |
| 1/2-ton |
78.9
/ 2004 |
| 3/4-ton |
79.8
/ 2027 |
| Overall height (in / mm) |
| 1/2-ton: 2WD |
2WD: 73.6 / 1870; 4WD:
75.4 / 1918 |
| 3/4-ton: 2WD |
2WD: 76.4 / 1940; 4WD:
76.5 / 1941 |
| Minimum
ground clearance (in / mm) |
| 1/2-ton |
8.4 / 213.4 |
| 3/4-ton |
7.1 / 1803 |
| Ground to top of load floor
(in / mm) |
| 1/2-ton |
2WD: 29.3 / 743.9; 4WD:
30.6 / 777.2 |
| 3/4-ton |
2WD: 32.4 / 823.0; 4WD:
31.8 / 807.7 |
| Approach angle |
23-25° |
| Departure angle |
20-22° |
| Base curb
weight (lbs / kg) |
| 1/2-ton |
2WD: 4947 / 2244; 4WD:
5219 / 2367 |
| 3/4-ton |
2WD: 5520 / 2504; 4WD:
5796 / 2629 |
| Weight distribution (front
/ rear) |
| 1/2 ton |
2WD: 52 / 48; 4WD: 54
/ 46 |
| 3/4-ton |
2WD: 51 / 49; 4WD: 53
/ 47 |
| Interior
Dimensions |
First
Row
|
Second
Row |
Third
Row |
| Seating capacity, 9 total |
3 |
3 |
3 |
| Head room (in / mm) |
40.7 / 1034 |
39.0 / 990.6 |
38.6 / 980.44 |
| Leg room (in / mm) |
41.3 / 1049 |
39.1 / 994 |
36.1 / 917.2 |
| Shoulder room (in / mm) |
65.2 / 1656 |
65.1 / 1653 |
64.4 / 1636 |
| Hip room (in / mm) |
61.4 / 1560 |
61.3 / 1557 |
49.2 / 1250 |
Cargo volume
(cu ft / liters) |
131.6 / 3726 |
90.0 / 2549 |
45.7 / 1294 |
| Capacities |
1/2
Ton
|
3/4
Ton |
| GVWR, standard (lbs / kg) |
| 2WD |
7000 / 3175 |
8600 / 3901 |
| 4WD |
7200 / 3265 |
8600 / 3901 |
| Payload, maximum (lbs /
kg)* |
| 2WD |
2086 / 946 |
3153 / 1430 |
| 4WD |
2077 / 942 |
2840 / 1288 |
| Trailer towing maximum (lbs
/ kg) |
| 2WD |
8400 / 3810 |
12000 / 5443 |
| 4WD |
8100 / 3674 |
12000 / 5443 |
| Fuel tank (gal / liters) |
31.0 / 117 |
37.5 / 142 |
| Engine oil (qts / liters) |
5.75 / 5.44 |
5.75 / 5.44 |
| Cooling system (qts / liters) |
| Vortec 5300 |
16.5 / 15.6 |
16.5 / 15.6 |
| Vortec 6000 |
16.5 / 15.6 |
16.5 / 15.6 |
| Vortec 8100 |
24.3 / 23 |
24.3 / 23 |
| * Includes
weight of driver, passengers, Optional equipment and
cargo. |
|
|
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