2004 Chevy TrailBlazer - Specs

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Dimensions and capacities are in inches unless otherwise specified.

Powertrain / Chassis	Vortec 4200 4.2L I-6 (LL8)	Vortec 5300 5.3L V-8 (LM4)
Application	standard on TrailBlazer and TrailBlazer EXT	optional on TrailBlazer EXT
Type	4.2L inline six cylinder	5.3L V-8
Displacement (cu in / cc)	256 / 4195	325 / 5328
Bore & stroke (in / mm)	3.66 x 4.01 / 93 x 102	3.78 x 3.27 / 96 x 92
Block material	cast aluminum	cast aluminum
Cylinder head material	cast aluminum	cast aluminum
Valvetrain	dual overhead camshafts, variable cam phasing - exhaust cams, 4 valves per cylinder	overhead valves, camshaft in block, 2 valves per cylinder
Ignition system	coil-on-plug, platinum-tipped spark plugs	coil near plug
Fuel delivery	sequential fuel injection	sequential fuel injection
Compression ratio	10.1:1	9.5:1
Horsepower (hp / kw @ rpm)	275 / 205 @ 6000	290 / 216 @ 5200
Torque (lb-ft / Nm @ rpm)	275 / 373 @ 3600	325 / 441 @ 4000
Recommended fuel	unleaded regular	unleaded regular
Maximum engine speed (rpm)	6300	5900
Emissions controls	catalytic converter; NLEV	evaporative system, catalytic converter, exhaust gas recirculation, positive crankcase ventilation; NLEV
Estimated fuel economy (mpg city / hwy / combined )	2WD: 16 / 22 / 19	2WD: 15 / 19 / 17
	4WD: 15 / 21 / 18
	EXT 2WD: 15 / 20 / 17	4WD: 14 / 18 / 16
	EXT 4WD: 15 /20 / 17

Transmission	Hydra-Matic 4L60-E
Type	4-speed automatic transmission, rear-wheel drive, electronically controlled automatic overdrive with torque converter clutch
Gear ratios (:1)
1st	3.059
2nd	1.625
3rd	1.000
4th	0.696
Reverse	2.294
Final drive ratio	3.42:1; 3.73:1 and 4.10:1* are optional (*not optional on V-8)

Chassis / Suspension		2004 Chevy TrailBlazer
Front		independent, double A-arm, 46-mm shocks, 34-mm stabilizer
Rear		5-link solid axle, 36-mm shocks, 34-mm stabilizer bar on 2WD, 24-mm stabilizer bar on 4WD
Transfer case system		Autotrac (standard on 4WD)
Steering type		rack-and-pinion (hydraulically assisted)
Steering ratio	TrailBlazer	20.4:1
	TrailBlazer EXT	18.5:1
Steering wheel turns, lock-to-lock	TrailBlazer	3.82
	TrailBlazer EXT	3.48
Turning circle, curb-to-curb (ft / m)	TrailBlazer	36.4 / 11
	TrailBlazer EXT	39.6 / 12

Brakes		TrailBlazer	TrailBlazer EXT
Type		4-wheel vented disc with front aluminum dual piston calipers, standard	4-wheel ABS; drum-in-hat parking brake 4-wheel vented disc with front aluminum dual piston calipers, standard 4-wheel ABS; drum-in-hat parking brake
Rotor diameter x thickness (in / mm)	front	12 x 1.14 / 305 x 29	12.8 x 1.14 / 325 x 29
	rear	12.8 x 0.78 / 325 x 20	12.8 x 0.78 / 325 x 20
Total swept area (sq in / sq cm)	front	210 / 1353	228 / 1469
	rear	217 / 1397	217 / 1397

Wheels and Tires		TrailBlazer	TrailBlazer EXT
Wheel size and type	Standard	16-inch cast aluminum	17-inch bright aluminum
	Optional	17-inch bright aluminum	-
	North Face	17-inch sport aluminum	17-inch sport aluminum
Tires	Standard	P245/70R16	P245/65R17
	Optional	P245/65R17	-
	North Face	P245/65R17	P245/65R17

Exterior Dimensions		TrailBlazer	TrailBlazer EXT
Wheelbase (in / mm)		113 / 2870	129 / 3277
Overall length (in / mm)		191.8 / 4872	207.8 / 5279
Overall width (in / mm)		74.6 / 1895	74.7 / 1897
Overall height, with side rails (in / mm)		74.5 / 1892	77.1 / 1957
Track (in / mm)	front	63.1 / 1603	63.1 / 1603
	rear	62.1 / 1576	62.1 / 1576
Minimum ground clearance (in / mm)		8 / 203	8 / 203
Ground to top of load floor (in / mm)		32.1 / 817	31.9 / 810
Step-in height, 2WD (in / mm)		19.7 / 500	18.9 / 480
Approach angle	2WD	29º	34.6º
	4WD		34.1º
Departure angle	2WD	23º	23.1º
	4WD		23.6º
Curb weight (lb / kg)	2WD w/Vortec 4200	4425 / 2007	4773 / 2165
	4WD w/Vortec 4200	4612 / 2092	4954 / 2247
	2WD w/Vortec 5300	-	4822 / 2187
	4WD w/Vortec 5300	-	5077 / 2303
Weight distribution (% front / rear)	2WD w/Vortec 4200	53 / 47	52 / 48
	4WD w/Vortec 4200	54 / 46	53 / 47
	2WD w/Vortec 5300	-	52 / 48
	4WD w/Vortec 5300	-	53 / 47

Interior Dimensions		TrailBlazer	TrailBlazer EXT
Seating capacity	First Row	2	2
	Second Row	3	3
	Third Row	-	2
	Total	5	7
Head room (in / mm)	First Row	40.2 / 1021	40.2 / 1021
	Second Row	39.6 / 1006	39.6 / 1006
	Third Row	-	38.5 / 978
Leg room (in / mm)	First Row	42.9 / 1090	42.9 / 1090
	Second Row	37 / 940	37 / 940
	Third Row	-	31.2 / 792
Shoulder room (in / mm)	First Row	58.5 / 1486	58.5 / 1486
	Second Row	58.5 / 1486	58.5 / 1486
	Third Row	-	58.3 / 1481
Hip room (in / mm)	First Row	56 / 1422	56 / 1422
	Second Row	58.2 / 1478	58.1 / 1476
	Third Row	-	45.9 / 1167
Cargo length floor (in / mm)		70 / 1778	85.5 / 2180
Cargo volume (cu ft / L)	3rd row seat up	-	23.4 / 663
	2nd row seat up	43.7 / 1237	66.5 / 1883
	behind 1st row seat	80.1 / 2268	107 / 3030

Capacities		TrailBlazer	TrailBlazer EXT (Vortec 4200)	TrailBlazer EXT (Vortec 5300)
GVWR, standard (lb / kg)	2WD	5550 / 2494	6200 / 2812	6200 / 2812
	4WD	5750 / 2608	6400 / 2903	6400 / 2903
Payload, maximum (lb / kg)	2WD	1125 / 510	1147 / 520	1378 / 625
	4WD	1138 / 516	1446 / 656	1393 / 632
Trailer towing maximum (lb / kg)	2WD	6300 / 2858	6000 / 2721	7100 / 3220
	4WD	6100 / 2766	5800 / 2630	6700 / 3039
Maximum tongue weight (lb / kg)		400 / 181 (without sway control)	400 / 181 (without sway control)	400 / 181 (without sway control)
Fuel tank (gal / L)		22 / 83.3	25 / 94.6	25 / 94.6
Engine oil (qt / L)		7 / 6.6	7 / 6.6	6 / 5.7
Cooling system (qt / L)		13.9 / 13.1	15.2 / 14.3	17.9 / 16.9