2004 Chevy Colorado - Specs

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Dimensions and capacities are in inches unless otherwise specified.

Powertrain / Chassis	Vortec 2800 2.8L I-4	Vortec 3500 3.5L I-5
Application	std on Regular Cab, Crew Cab and Extended Cab	opt on Regular Cab, Crew Cab and Extended Cab; std on ZQ8 Crew Cab and Z71 Crew Cab
Type	2.8L inline four cylinder	3.5L inline five cylinder
Displacement (cu in / cc)	169 / 2770	211 / 3460
Bore & stroke (in / mm)	3.66 x 4 / 93 x 102	3.66 x 4 / 93 x 102
Block material	A356-T6 lost foam cast aluminum	A356-T6 lost foam cast aluminum
Cylinder head material	A356-T6 lost foam cast aluminum	A356-T6 lost foam cast aluminum
Valvetrain	dual overhead camshafts, continuously variable exhaust valve timing, variable exhaust cam phasing, 4 valves-per-cylinder, with “couple” design balance shafts	dual overhead camshafts, continuously variable exhaust valve timing, variable exhaust cam phasing, 4 valves-per-cylinder, with dual balance shafts
Ignition system	distributorless electronic spark, coil-on-plug, platinum-tipped spark plugs	distributorless electronic spark, coil-on-plug, platinum-tipped spark plugs
Fuel delivery	multipoint sequential fuel injection	multipoint sequential fuel injection
Compression ratio	10.0:1	10.0:1
Horsepower (hp / kw @ rpm)	175 / 130 @ 5600	220 / 164 @ 5600
Torque (lb-ft / Nm @ rpm)	185 / 251 @ 2800	225 / 305 @ 2800
Recommended fuel	87 octane	87 octane
Maximum engine speed (rpm)	6300	6300
Emissions controls	dual “split converter” design; LEV II	dual “split converter” design; LEV II
Estimated fuel economy (mpg city / hwy / combined)	TBD	TBD

Transmission	MA5	Hydra-Matic 4L60-E
Type	5-speed manual	4-speed automatic
Gear Ratios (:1)
1st	3.75	3.06
2nd	2.26	1.63
3rd	1.37	1.00
4th	1.00	0.70
5th	0.73	-
Reverse	3.67	2.29
Final drive ratio	3.42 axle: 2.49:1	3.42 axle: 2.39:1
	3.73 axle: 2.72:1	3.73 axle: 2.61:1

Chassis / Suspension	2004 Chevy Colorado
Front	independent with coil springs for rear-drive, independent with torsion bars for 4WD and High Stance, with stabilizer bar
Rear	live axle with steel leaf springs; stabilizer bar with sport package
Steering type	power-assisted rack-and-pinion
Steering ratio	18:1 (2WD); 19:1 (4WD)
Steering wheel turns, lock-to-lock	2WD Z85 3.31
	ZQ8 2.92
	Z71 3.20
	4WD: 3.20
Turning circle, curb-to-curb (ft / m)	2WD short wheelbase: 37 / 11.2
	short wb Z71 39 / 11.8
	long wb: 41 / 12.6
	long wb Z71 43 / 13.2
	4WD short wb: 39 / 11.8
	long wb: 43 / 13.2

Brakes	2004 Chevy Colorado
Type	vacuum power, front disc/rear drum, 4-wheel anti-lock brakes
Rotor diameter x thickness (in / mm)	front: 11.2 x 1.6 / 284.5 x 40.6
Drum diameter x width (in / mm)	rear: 11.6 x 2.5 / 294.6 x 63.5
Drum swept area (sq in / sq cm)	38.5 / 248.4
Total swept area (sq in / sq cm)	155.7 / 1005

Wheels & Tires	2004 Chevy Colorado
Wheel size and type	2WD / 4WD: 15-inch x 6-inch steel; opt 15 x 6.5-inch aluminum
	15 x 7-inch aluminum with Z71 Off Road suspension
	17 x 8-inch aluminum with ZQ8 Sport suspension
Tires	205/75R15 std all-season steel-belted radial tires (2WD)
	P225/70R15 all-season steel-belted radial tires (std on 2WD Crew Cab)
	P235/75R15 all-season steel-belted radial tires (std on 4WD)
	P265/75R15 on/off-road steel-belted radial (with Z71 Off Road package)
	P235/50R17 low-profile radial (with ZQ8 package)
	full-size spare standard on all models

Exterior Dimensions		Regular Cab 2WD	Extended Cab 2WD	Crew Cab 2WD	Regular Cab 2WD	Extended Cab 4WD	Crew Cab 4WD
Wheelbase (in / mm)		111.3 / 2827	125.9 / 3198	125.9 / 3198	111.3 / 2827	125.9 / 3198	125.9 / 3198
Overall length (in / mm)		192.4 / 4887	207 / 5258	207 / 5258	192.4 / 4887	207 / 5258	207 / 5258
Overall width (in / mm)		67.6 / 1717	67.6 / 1717	67.6 / 1717	67.6 / 1717	67.6 / 1717	67.6 / 1717
Overall height (in / mm)		64.8 / 1646	64.8 / 1646	64.8 / 1646	64.8 / 1646	64.8 / 1646	64.8 / 1646
Track (in / mm)	Front	57.5 / 1460	57.5 / 1460	57.5 / 1460	59.6 / 1514	59.6 / 1514	59.6 / 1514
	Rear	57.5 / 1460	57.5 / 1460	57.5 / 1460	57.5 / 1460	57.5 / 1460	57.5 / 1460
Front Minimum ground clearance (in / mm)		8.5 / 216	8.5 / 216	8.5 / 216	8.5 / 216	5 / 127	5 / 127
	Z71	9.3 / 236	9.3 / 236	8.5 / 216	9.3 / 236	9.3 / 236	9.3 / 236
	ZQ8	5 / 127	5 / 127	5 / 127	-	-	-
Rear Minimum ground clearance (in / mm)		7.5 / 191	7.5 / 191		7.5 / 191	6.4 / 160	6.4 / 160
	Z71	8.4 / 213	8.4 / 213	8.4 / 213	8.4 / 213	8.4 / 213	8.4 / 213
	ZQ8	6.4 / 160	6.4 / 160	6.4 / 160	-	-	-
Ground to top of load floor (in / mm)		26.9 / 683	26.9 / 683	26.9 / 683	29.6 / 752	29.6 / 752	29.6 / 752
	Z71	30.5 / 775	30.5 / 775	30.5 / 775	30.5 / 775	30.5 / 775	30.5 / 775
	ZQ8	24.7 / 627	24.7 / 627	24.7 / 627	-	-	-
Step-in height (in / mm)		17.6 / 447	17.6 / 447	17.6 / 447	21.1 / 535	21.1 / 535	21.1 / 535
Curb weight: base suspension (lb / kg)	I-4 with manual	3351 / 1523	3607/1639	3752 / 1705	3623 / 1647	3802 / 1728	4002 / 1819
	I-4 with automatic	3447 / 1566	3631 / 1650	3774 / 1715	3706 / 1685	3910 / 1777	4037 / 1835
	I-5 with manual	3464 / 1574	3625 / 1648	-	3765 / 1711	3917 / 1780	-
	I-5 with automatic	3518 / 1599	3715 / 1688	3747 / 1703	3712 / 1687	3945 / 1793	4150 / 1886

Cargo Box	Regular Cab	Extended Cab	Crew Cab Box
Cargo volume (cu ft / L)	43.9 / 1243	43.9 / 1243	36.7 / 1039
Length at floor (in / mm)	73 / 1854	73 / 1854	61 / 1549
Width at floor (in / mm)	57 / 1448	57 / 1448	57 / 1448
Width between wheelhousings (in / mm)	43 / 1092	43 / 1092	43 / 1092
Tailgate width (in / mm)	52.4 / 1331	52.4 / 1331	52.4 / 1331
Inside height (in / mm)	18.5 / 470	18.5 / 470	18.5 / 470

Interior Dimensions		Regular Cab	Extended Cab	Crew Cab
Seating capacity		2-3	4-5	5-6
Head room (in / mm)	Front	40 / 1016	39.3 / 998	39.3 / 998
	Rear	-	37.9 / 963	38.3 / 973
Leg room (in / mm)	Front	42 / 1067	42 / 1067	42 / 1067
	Rear	-	23.1 / 587	34.7 / 881
Shoulder room (in / mm)	Front	57 / 1448	57.1 / 1450	57.1 / 1450
	Rear	-	57.1 / 1450	57.1 / 1450
Hip room (in / mm)	Front	53 / 1346	53 / 1346	53 / 1346
	Rear	-	57.6 / 1463	53 / 1346

Capacities		Regular Cab	Extended Cab	Crew Cab
GVWR, standard (lb / kg)	2WD	4700 / 2132	5000 / 2268	5000 / 2268
	4WD	5150 / 2336	5300 / 2404	5300 / 2404
Payload, base (lb / kg)	2WD	1503 / 682	1429 / 648	1304 / 591
	4WD	1613 / 732	1584 / 718	1366 / 620
Fuel tank (gal / L)		19.6 / 74.2	19.6 / 74.2	19.6 / 74.2