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2003 Chevy Suburban - Review
2003 Chevrolet Suburban ¾-ton - Review
2003 Chevy Suburban - Photos
2003 Chevrolet Reviews
2003 Chevy Suburban - Price Quote

Visit Chevrolet for more information on the Chevy Suburban.

Suburban - Engine Specs
Suburban - Transmission Specs
Suburban - Chassis / Suspension
Suburban - Exterior Dimensions
Suburban - Interior Dimensions
Suburban - Capacities

Model Lineup	Engines			Transmissions
Model Lineup	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
Estimated fuel economy (mpg city/ hwy/ combined)	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
Rear	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
1/2-ton	4WD: power integral gear w/EVO Variable Assist
3/4-ton	2WD: power integral gear
3/4-ton	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
Wheel size and type	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.

Although New-Cars.com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.

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