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2004
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2003
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2002
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|
| Engines |
Engines
|
Transmissions
|
|
Vortec 5300
5.3L V8
|
Vortec 8100
8.1L V8
|
4-spd auto
(Hydra-Matic 4L60-E)
|
4-spd auto
(Hydra-Matic 4L85-E)
|
| Avalanche (1500) |
Standard
|
-
|
Standard
|
-
|
North Face Edition
|
Standard
|
-
|
Standard
|
-
|
Avalanche (2500)
|
-
|
Standard
|
-
|
Standard
|
| Engines |
Vortec 5300 5.3L V8 (LM7)
|
Vortec 8100 8.1L V8 (L18)
|
| Type |
5.3-liter V8 |
8.1-liter V8 |
| 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,
two valves per cylinder, chain cam drive |
hydraulic roller follower, two 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) |
285 / 213 @ 5200 |
340 / 253 @ 4200 |
| Torque (lb-ft / Nm @ rpm) |
325 / 441 @ 4000 |
455 / 617 @ 3200 |
| Recommended fuel |
87 octane |
87 octane |
| Maximum engine speed (rpm) |
5900 |
5000 |
| Emissions controls |
three-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
|
four-speed electronic automatic
|
four-speed electronic automatic
|
Displacement (cu in / cc)
|
3.06
|
2.48
|
Bore & stroke (in / mm)
|
1.63
|
1.48
|
| Cylinder head material |
1.00
|
1.00 |
| Valvetrain |
0.70
|
0.75 |
| Fuel delivery |
2.29 |
2.08
|
| Compression ratio |
3.73 - standard |
3.73 - standard |
| 4.10 - optional |
4.10 - optional |
| Chassis/Suspension |
1500
|
2500
|
Front
|
independent with torsion
bars |
independent with torsion
bars |
| Rear |
five-link coil spring
with automatic load leveling
|
two-stage leaf spring
|
| Traction assist system |
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 |
2003 Chevy Avalanche
|
Type
|
four-wheel vented disc
with front aluminum dual-piston calipers, rear drum-in-hat parking
brake, four-wheel ABS |
| Rotor diameter x thickness
(in / mm) |
front: 12 x 1.14 / 305
x 29 |
| rear: 13 x 1.18 / 330
x 30 |
| Swept area (sq in / sq
cm) |
front: 133.6 / 862 |
| rear: 133.6 / 862 |
| Wheels/Tires |
1500
|
2500
|
Wheel size & type
|
standard: 16-inch x
7-inch aluminum |
16-inch
x 6.5-inch aluminum1 |
optional: 17-inch x
7.5-inch
aluminum
|
| Tires |
standard: P265/70R16
all-season, steel-belted radials |
LT245/75R16
ALS OOR steel-belted radials |
| optional: P265/70R17
ALZ OOR |
| Exterior
Dimensions |
1500
|
2500
|
| Wheelbase (in / mm) |
130 / 3302 |
130 / 3302 |
| Overall length (in / mm) |
220.8 / 5608 |
220.8 / 5608 |
| Overall width (in / mm) |
79.8 / 2027 |
79.8 / 2027 |
| Overall height, 2WD & 4WD (in /
mm) |
74.5 / 1892 |
74.5 / 1892 |
| Track (in / mm) |
front: 65 / 1651 |
front: 65 / 1651 |
| rear: 66 / 1676 |
rear: 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 (lbs / kg) |
2WD: 5437 / 2466 |
2WD: 6353 / 2883 |
| 4WD: 5678 / 2576 |
4WD: 6642 / 3013 |
Weight distribution
(% front / rear) |
2WD: 52 / 48 |
2WD: 52 / 48 |
| 4WD: 53 / 47 |
4WD: 53 / 47 |
| Interior
Dimensions |
1st Row
|
2nd Row
|
| Seating capacity, 5 or 6 |
2 or 3 |
3 |
| Head room (in / mm) |
40.7 / 1034 |
38.6 / 980 |
| Leg room (in / mm) |
41.3 / 1049 |
38.9 / 988 |
| Shoulder room (in / mm) |
65.2 / 1656 |
65.2 / 1656 |
| Hip room (in / mm) |
61.4 / 1560 |
62 / 1575 |
| Cargo box volume,Midgate up (cu ft / liters) |
41 / 1161 |
41 / 1161 |
| Capacities |
1500
|
2500
|
EPA passenger volume
(cu ft / liters) |
120.2 / 3404 |
120.2 / 3404 |
Interior cargo volume
(cu ft / liters) |
53.9 / 1526 with Midgate
up, 2nd row seat folded |
53.9 / 1526 with Midgate
up, 2nd row seat folded |
| GVWR, standard (lbs / kg) |
2WD: 6800 / 3090.9 |
8600 / 3901 |
| 4WD: 7000 / 3181.8 |
| Payload (lbs / kg) |
base 2WD: 1363 / 618 |
max 2WD: 2247 / 1018 |
| base 4WD: 1322 / 599.5 |
max 4WD: 1958 / 888 |
| Trailer towing maximum (lbs / kg) |
2WD: 8200 / 3720 w/ trailer brakes |
2WD: 12,000 / 5443 w/ trailer brakes |
| 4WD: 7900 / 3583 w/ trailer brakes |
4WD: 12,000 / 5443 w/ trailer brakes |
| Fuel tank (gals / liters) |
31 / 117.3 |
37.5 / 141.9 |
| Engine oil (qts / liters) |
5.75 / 5.44 |
5.75 / 5.44 |
Cooling system:
(qts / liters) |
29 / 27.4 |
29 / 27.4 |
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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