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2004 Chevy Avalanche - Specs
|
|
Dimensions and capacities are in inches unless otherwise
specified.
| Powertrain
/ Chassis |
Vortec
5300 5.3L V-8 (LM7) |
Vortec
8100 8.1L V-8 (L18) |
| Type |
5.3L V-8 |
8.1L V-8 |
| Displacement (cu in / cc) |
325 / 5328 |
496 / 8128 |
| Bore & stroke (in / mm) |
3.78 x 3.62 / 96 x 92 |
4.25 x 4.37 / 108 x 111 |
| Block material |
cast iron |
cast iron |
| Cylinder head material |
cast aluminum |
cast iron |
| Valvetrain |
overhead valves, hydraulic
roller follower, 2 valves per cylinder, chain cam
drive |
hydraulic roller follower,
2 valves per cylinder, chain cam drive |
| Fuel delivery |
sequential fuel injection |
sequential fuel injection |
| Compression ratio |
9.5:1 |
9.1:1 |
| Horsepower (hp / kw @ rpm) |
295 / 220 @ 5200 |
320 / 238 @ 4200 |
| Torque (lb-ft / Nm @ rpm) |
330 / 447 @ 4000 |
445 / 603 @ 3200 |
| Recommended fuel |
87 octane |
87 octane |
| Maximum engine speed (rpm) |
5900 |
5000 |
| Emissions controls |
3-way catalytic converter,
positive crankcase ventilation, evaporative collection
system |
exhaust gas recirculation,
air injection reaction (available) |
Estimated fuel economy
(mpg city / hwy / combined) |
2WD: 14 / 18 / 16 |
4WD: 13 / 17 / 15 |
| Transmission |
Hydra-Matic
4L60-E |
Hydra-Matic
4L85-E |
| Type |
4-speed electronic automatic |
4-speed electronic automatic |
| Gear Ratios (:1) |
| 1st |
3.06
|
2.48
|
| 2nd |
1.63 |
1.48 |
| 3rd |
1.00 |
1.00 |
| 4th |
0.70 |
0.75 |
| Reverse |
2.29 |
2.08 |
| Axle ratio |
3.73 std (4.10 opt) |
3.73 std (4.10 opt) |
| Chassis
/ Suspension |
1500 |
2500 |
| Front |
independent with torsion
bars |
independent with torsion
bars |
Rear
|
multi-link
with coil springs |
2-stage
multi-leaf springs |
| Traction assist |
part of Z66
package on 2WD models |
| Steering type |
power
recirculating ball |
power
recirculating ball |
| Steering ratio |
14.0:1; 15.8:1 overall |
13 – 15:1; 16.2:1
overall |
| Steering wheel turns,
lock-to-lock |
3.2 |
3.2 |
| Turning circle, curb-to-curb (ft / m) |
43.3 / 13.2 |
44.1 / 13.4 |
| Brakes |
2004
Chevy Avalanche |
| Type |
4-wheel vented disc with
dual-piston calipers, rear drum-in-hat parking brake,
4-wheel ABS |
| Rotor diameter
x thickness (in / mm) |
front:
12 x 1.14 / 305 x 29 |
| rear:
13 x 1.18 / 330 x 30 |
| Total swept area (sq in
/ sq cm) |
front: 133.6 / 862 |
| rear:
133.6 / 862 |
| Wheels and
Tires |
1500 |
2500 |
| Wheel size and type |
std: 16-inch x 7-inch
aluminum |
16-inch x
6.5-inch aluminum |
| opt: 17-inch x 7.5-inch
aluminum |
| Tires |
std:
P265/70R16 all-season, steel-belted radials |
LT245/75R16
ALS OOR steel-belted radials |
| opt:
P265/70R17 ALZ OOR |
| Exterior
Dimensions |
1500 |
2500 |
| Wheelbase (in / mm) |
130
/ 3302 |
130
/ 3302 |
| Overall length (in / mm) |
221.7 / 5631 |
221.7 / 5631 |
| Overall width (in / mm) |
79.8
/ 2027 |
79.8
/ 2027 |
| Overall height, 2WD & 4WD (in /
mm) |
73.3 / 1862 |
73.3 / 1862 |
| Track (in / mm) |
Front |
65 / 1651 |
65 / 1651 |
| Rear |
66 / 1676 |
66 / 1676 |
| Minimum ground clearance (in / mm) |
P265/70R16 tires: 8.6
/ 218 |
7 / 178 |
| Ground to top of rear
load floor (in / mm) |
31 /
787 |
31 /
787 |
| Approach angle |
27.4° |
25° |
| Departure angle |
23.8° |
18° |
| Curb weight (lb / kg) |
2WD |
5437 / 2466 |
6353 / 2883 |
| 4WD |
5678 / 2576 |
6642 / 3013 |
| Weight distribution (% front / rear) |
2WD |
52 / 48 |
52 / 48 |
| 4WD |
53 /
47 |
53 /
47 |
| Interior
Dimensions |
2004
Chevy Avalanche |
| Seating capacity,
5 or 6 (front / rear) |
2 /
3 or 3 / 3 |
| Head room (in / mm) |
Front |
40.7 / 1034 |
| Rear |
38.6 / 980 |
| Leg room (in / mm) |
Front |
41.3
/ 1049 |
| Rear |
38.9
/ 988 |
Shoulder room
(in / mm) |
Front |
65.2 / 1656 |
| Rear |
65.2 / 1656 |
| Hip room (in / mm) |
Front |
61.4 / 1560 |
| Rear |
62 / 1575 |
| Cargo box
volume,Midgate up (cu ft / L) |
42.9
/ 1215 |
| Capacities |
1500 |
2500 |
EPA passenger volume
(cu ft / L) |
120.2
/ 3404 |
120.2
/ 3404 |
| Interior cargo volume (cu ft / L) |
53.9 / 1526 with Midgate
up, 2nd row seat folded |
53.9 / 1526 with Midgate
up, 2nd row seat folded |
| GVWR, standard (lb / kg) |
2WD:
6800 / 3091 |
8600
/ 3901 |
| 4WD:
7000 / 3182 |
| Payload (lb / kg) |
base 2WD: 1313 / 595 |
max 2WD: 2247 / 1018 |
| base 4WD: 1266 / 574 |
max 4WD: 1807 / 820 |
Trailer towing maximum
(lb / kg) |
2WD: 8200 / 3720 w/ trailer
brakes |
2WD: 12000 / 5443 w/
trailer brakes |
| 4WD: 7900 / 3583 w/ trailer
brakes |
4WD: 11900 / 5398 w/
trailer brakes |
| Fuel tank (gal/ L) |
31 /
117 |
37.5
/ 142 |
| Engine oil (qt / L) |
5.75 / 5.44 |
5.75 / 5.44 |
| Cooling system: (qt
/ L) |
29 /
27.4 |
29 /
27.4 |
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