Model:

Chevy Suburban LS / LT 1/2-ton, LS / LT 3/4-ton

Body style / driveline:

full-size, four-door sport-utility vehicle, body-on-frame construction, front-engine, two- or four-wheel drive, 1/2- and 3/4-ton models

EPA vehicle class:

full-size sport-utility vehicle

Manufacturing location:

Janesville, Wisconsin, and Silao, Mexico

Key competitors:

Ford Excursion

Vortec 5300

Vortec 6000

Vortec 8100

V8 (L59)

V8 (LQ4)

V8 (L18)

Type:

5.3-liter, V8 w/cast iron block

6.0-liter, V8 w/cast iron block

8.1-liter, V8 w/cast iron block

Displacement (cu in / cc):

327 / 5328

364 / 5967

496 / 8128

Bore & stroke (in / mm):

3.78 x 3.62 /

4.00 x 3.62 /

4.25 x 4.37 /

96 x 92

101.6 x 92

107.95 x 111

Cylinder head material:

cast aluminum

cast aluminum

cast iron

Valvetrain:

OHV

OHV

OHV

Ignition system:

composite distributor, platinum-tipped spark plugs, low-resistance spark plug wires

composite distributor, 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:

87 octane

87 octane

87 octane

Maximum engine speed (rpm):

6000

5600

5000

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

exhaust gas recirculation, air injection reaction (available)

4L60-E

4L80-E

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:

N/A

N/A

N/A

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 electronic; 4WD: power, variable-assist, speed-sensitive

3/4-ton:

power electronic

Ratio:

1/2-ton: 12.7:1; 3/4-ton: 15 / 13:1 variable ratio

Steering wheel turns, lock-to-lock:

1/2-ton: 3.0; 3/4-ton: 3.25

Turning circle, curb-to-curb (ft / m):

1/2-ton: 42.3 / 12.9; 3/4-ton: 44.3 / 13.5