|
2003 Chevy Avalanche - Specs
|
|
| 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 |
 Used
Price Quote on a 2003 Chevy Avalanche.
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Car Reviews
2003
Chevy Avalanche - Review
