2004 Chevy Silverado - Specs

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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 / 4293	294 / 4807	327 / 5328	364 / 5967
Bore & stroke (in / mm)	4 x 3.48 / 101.6 x 88.4	3.78 x 3.27 / 96 x 83	3.78 x 3.62 / 96 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	OHV	OHV	OHV
Ignition system	direct composite distributor, platinum-tipped spark plugs, low-resistance spark plug wires	coil-near-plug, platinum-tipped spark plugs, low-resistance spark plug wires	coil-near-plug, platinum-tipped spark plugs, low-resistance spark plug wires	coil-near-plug, platinum-tipped 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)	200 / 149 @ 4600	285 / 212 @ 5200	295 / 220 @ 5200	325 / 242 @ 4400
Torque (lb-ft / Nm @ rpm)	260 / 353 @ 2800	295 / 400 @ 4000	330 / 447 @ 4000	365 / 495 @ 4000
Recommended fuel	87 octane	87 octane	87 octane	87 octane
Maximum engine speed (rpm) Manual	5600	5600	5600	5600
Maximum engine speed (rpm) Automatic	5600	5900	5900	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

Estimated Fuel Economy (mpg city / highway / combined)	C1500 Series (2WD)	K1500 Series (4WD)
auto 4.3L	16 / 20 / 18	16 / 20 / 18
man 4.3L	17 / 23 / 20	15 / 18 / 16
auto 4.8L	16 / 21 /18	15 / 18 / 16
man 4.8L	16 / 20 / 18	15 / 19 / 17
auto 5.3L	16 / 21 / 18	15 / 18 / 16

Transmission	NV3500 (MG5)	NV4500 (MW3)	Hydra-Matic 4L60-E	Hydra-Matic 4L80-E
Type	5-speed manual	5-speed manual	4-speed automatic	4-speed automatic
Gear Ratios (:1)
1st	4.02	5.61	3.06	2.48
2nd	2.32	3.04	1.62	1.48
3rd	1.40	1.67	1.00	1.00
4th	1.00	1.00	0.70	0.75
5th	0.73	0.75	-	-
Reverse	3.55	5.04	2.29	2.08
Final drive ratio	3.08	3.42	3.08	3.42
	3.42	3.73	3.42	3.73
	3.73	4.10	3.73	4.10
	4.10	-	4.10	-

Chassis / Suspension	2004 Chevy Silverado
Front	1500 4WD, 2500: independent with computer-selected torsion bars, 30-mm stabilizer bar
	1500 2WD: computer-selected coil springs; gas-pressurized shocks; 32-mm stabilizer bar
Rear	solid axle with semi-elliptic, variable-rate, two-stage multileaf springs; gas-pressurized shocks
Traction control	2WD only
Steering type	1500 4WD & 2500: power recirculating ball
	1500 2WD: power rack-and-pinion
	With Quadrasteer four-wheel steering: front: hydraulic power, recirculating ball; rear: electrically powered (system also uses front steering-wheel position sensor, steerable solid hypoid rear axle, electric motor-drive actuator and control unit)
Steering ratio	14.2:1
Steering wheel turns, lock-to-lock	3
Turning circle, curb-to-curb (ft / m)	Ext. Cab Short Box with Quadrasteer: 37.4 / 11.4
	2WD Reg. Cab Short Box: 40.1 / 12.2
	2WD Ext. Cab Short Box: 46.6 / 14.2
	4WD Ext. Cab Short Box: 47.3 / 14.4

Brakes	2004 Chevy Silverado
Type	(all) vacuum booster, power, 4-wheel disc, 4-wheel ABS, DRP
Rotor diameter x thickness (in / mm)
1500 up to 6400 GVWR	front: 12.01 x 1.14 / 305 x 29
	rear: 12.8 x 0.78 / 325 x 20
1500 with Quadrasteer	front: 12.01 x 1.14 / 305 x 29
	rear: 13 x 1.18 / 330 x 30
1500 HD, 1500 HD with Quadrasteer,2500:	front: 12.8 x 1.5 / 325 x 38
	rear: 1300 x 1.14 / 330 x 29
Total swept area (sq in / sq cm)
1500 up to 6400 GVWR	front: 213.6 / 1378
	rear: 211.1 / 1362
1500 with Quadrasteer	front: 213.6 / 1378
	rear: 223.7 / 1443
1500 HD, 1500 HD with Quadrasteer, 2500:	front: 245.5 / 1584
	rear: 236.5 / 1526

Wheels & Tires		2004 Chevy Silverado
Wheel size and type	Base	std: 16-inch steel
		opt: 16-inch chrome-styled steel
	LS	std: 16-inch chrome-styled steel
		opt: 16-inch cast-aluminum
	LT	std: 16-inch cast-aluminum
Tires		P235/75R16 all-season steel-belted radial
		P265/75R16 all-season steel-belted radial
		LT 225/75R16 all-season steel-belted radial
		LT 245/75R16 all-season steel-belted radial

Exterior Dimensions		Short Box Regular Cab	Long Box Regular Cab	Short Box Extended Cab	Long Box Extended Cab	Short Box Crew Cab
Wheelbase (in / mm)		119 / 3023	133 / 3378	143.5 / 3644	157.5 / 4001	153 / 3886
Overall length (in / mm)		203.2 / 5161	222 / 5644	227.6 / 5781	246.6 / 6264	237.2 / 6025
Overall width (in / mm)	Base/fleet	78.5 / 1994	78.5 / 1994	78.5 / 1994	78.5 / 1994	79.7 / 2034
	With YE9 package opt. mirrors folded	81.5 / 2070	81.5 / 2070	81.5 / 2070	81.5 / 2070	81.5 / 2070
	With YE9 package opt. mirrors extended	93.1 / 2363	93.1 / 2363	93.1 / 2363	93.1 / 2363	93.1 / 2363
	Quadrasteer models w/YE9 opt. mirrors folded:	-	-	83.5 / 2103	-	83.5 / 2103
Overall height (in / mm)	2WD	71.2 / 1808	71 / 1803	71.2 / 1808	70.8 / 1798	74.5 / 1892
	4WD	73.8 / 1875	73.7 / 1872	73.9 / 1877	73.7 / 1872	76.2 / 1935
Track (in / mm)	All except Quadrasteer models
	Front	65 / 1651	65 / 1651	65 / 1651	65 / 1651	68.6 / 1899
	Rear	66 / 1676	66 / 1676	66 / 1676	66 / 1676	66 / 1676
	Quadrasteer models
	Front	-	-	65 / 1651	-	65 / 1651
	Rear	-	-	71 / 1804	-	71 / 1804
Min. ground clearance (in / mm)	2WD	8 / 203.2	8 / 203.2	8 / 203.2	8 / 203.2	9.1 / 230
	4WD	8.4 / 213	8.4 / 213	8.7 / 221	8.4 / 213	10.6 / 269
Ground to top of load floor (in / mm)	2WD	31.6 / 803	31.6 / 803	31.6 / 803	31.6 / 803	-
	4WD	33.7 / 856	33.7 / 856	33.7 / 856	33.7 / 856	-
Step-in height	2WD	19 / 482	19 / 482	19 / 482	19 / 482	24.6 / 624.8
	4WD	21.3 / 540	21.3 / 540	21.3 / 540	21.3 / 540	25.1 / 637.5
Approach angle		25.4°	25.4°	25.4°	25.4°	-
Breakover angle		12.4°	12.4°	12.4°	12.4°	-
Departure angle		27.5°	27.5°	27.5°	27.5°	-

Cargo Box	Short Box Sportside	Short Box Fleetside	Long Box Fleetside
Cargo volume (cu ft / L)	43.5 / 1231.7	56.9 / 1611	70.7 / 2002
Length at floor (in / mm)	78.6 / 1996	78.7 / 1999	97.6 / 2479
Width at floor (in / mm)	49.1 / 1247	64.8 / 1646	64.8 / 1646
Width at top (in / mm)	49.1 / 1247	61.9 / 1572	61.9 / 1572
Width between wheelhousings (in / mm)	50 / 1270	50 / 1270	50 / 1270
Tailgate width (in / mm)	49.1 / 1247	63.8 / 1621	63.8 / 1621
Inside height (in / mm)	19.7 / 500	19.5 / 495	19.5 / 495

Interior Dimensions	Regular Cab	Extended Cab, Front,	Extended Cab, Rear	Crew Cab, Front	Crew Cab, Rear
Head room (in / mm)	41 / 1041	41 / 1041	38.4 / 975	41 / 1041	39.9 / 1018
Leg room (in / mm)	41.3 / 1049	41.3 / 1049	33.7 / 856	41.3 / 1049	38.8 / 990
Shoulder room (in / mm)	65.2 / 1656	65.2 / 1656	66.3 / 1684	65.2 / 1656	65.1 / 1661
Hip room (in / mm)	61.4 / 1560	61.4 / 1560	61.4 / 1560	61.4 / 1560	62.9 / 1598

Capacities		GVW (lb / kg)	Curb Weight (lb / kg)	Payload (lb / kg)	Weight Distribution (% front / rear)
2WD pickups*	C15703 Reg. Cab Short Box	6100 / 2767	4142 / 1879	1958 / 888	57 / 43
	C15753 Ext. Cab Short Box	6200 / 2812	4555 / 2066	1645 / 746	57 / 43
	C15743 Crew Cab Short Box	8600 / 3900	5506 / 2497	3094 / 1403	57 / 43
	C15903 Reg. Cab Long Box	6400 / 2903	4227 / 1917	2123 / 963	57 / 43
	C15953 Ext. Cab Long Box	6400 / 2903	4828 / 2190	1572 / 713	59 / 41
4WD pickups*	K15703 Reg. Cab Short Box	6100 / 2767	4439 / 2013	1661 / 753	58 / 42
	Ext. Cab Short Box	6400 / 2903	4925 / 2234	1475 / 669	60 / 40
	K15743 Crew Cab Short Box	8600 / 3900	5817 / 2639	2783 / 1262	59 / 41
	K15903 Reg. Cab Long Box	6400 / 2903	4579 / 2077	1821 / 826	59 / 41
	K2500 Ext. Cab Long Box	6400 / 2903	5112 / 2319	1288 / 584	60 / 40
* 2WD/4WD 1500 Series models limited to 5,000-pound (2,250-kg) trailer ratings unless equipped with Z85 Increased Capacity or ZX3 Manual Select Damping or Z71 Off-Road Suspension Package. Z82 Heavy Duty Trailering Package includes trailer hitch platform, trailer electrical connector and suspension upgrade, if necessary.