| Overview |
| Model: |
Chevrolet Avalanche |
| Body
style / driveline: |
full-size,
4-door sport-utility vehicle/pickup, front-engine, 2- or 4-wheel
drive, 1/2-ton and 4-wheel drive 3/4-ton models |
| Construction: |
body on frame |
| EPA vehicle class:
|
half-ton or three-quarter-ton
truck |
| Manufacturing location:
|
Silao, Mexico |
| Key competitors: |
Ford Super Crew,
Dodge Ram Quad Cab |
| |
|
Engines
|
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 |
|
| |
| Transmissions |
Hydra-Matic 4L60-E |
Hydra-Matic 4L85-E |
| Type: |
4-speed electronic
automatic |
4-speed electronic
automatic |
| Gear ratios (:1):
|
|
|
First:
|
3.06 |
2.48 |
Second:
|
1.63 |
1.48 |
Third:
|
1.00 |
1.00 |
Fourth:
|
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 |
| 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/Tires |
1500 |
2500 |
| Wheel size &
type: |
std: 16-inch x 7-inch
aluminum
opt: 17-inch x 7.5-inch aluminum |
16-inch x 6.5-inch
aluminum |
| Tires: |
std: P265/70R16
all-season, steel-belted radials
opt: P265/70R17 ALZ OOR |
LT245/75R16 ALS
OOR steel-belted radials |
| |
| Dimensions |
| Exterior |
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
rear: 66 / 1676 |
front: 65 / 1651
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 (lb / kg): |
2WD:
5437 / 2466
4WD: 5678 / 2576 |
2WD:
6353 / 2883
4WD: 6642 / 3013 |
Weight distribution
(% front / rear): |
2WD: 52 / 48;
4WD: 53 / 47 |
2WD: 52 / 48;
4WD: 53 / 47 |
| |
|
Interior
|
First
Row |
Second
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 / 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
4WD: 7000 / 3182 |
8600 / 3901 |
| Payload (lb / kg):
|
base 2WD: 1313 /
595
base 4WD: 1266 / 574 |
max 2WD: 2247 /
1018
max 4WD: 1807 / 820 |
| Trailer towing maximum
(lb / kg): |
2WD: 8200 / 3720
w/ trailer brakes
4WD: 7900 / 3583 w/ trailer brakes |
2WD: 12000 / 5443
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 |