2002 Chevy Avalanche - Specs

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All dimensions are in inches unless otherwise noted.

Engines	5300 SFI V8	8100 SFI V8	4-spd Auto
Avalanche (1500)	Standard	-	4L60-E
North Face Edition	Standard	-	4L60-E
Avalanche (2500)	-	Standard	4L85-E

Powertrain	Vortec 5300 V8	Vortec 8100 V8
Type	5.3-liter V8 with cast iron block	8.1-liter V8 with cast iron block
Displacement (cu in / cc)	327 / 5358	496 / 8128
Bore & stroke (in / mm)	3.78 x 3.62 / 96 x 92	4.25 x 4.37 / 108 x 111
Cylinder head material	cast aluminum	cast aluminum
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 / 212.61 @ 5200	340 / 253 @ 4200
Torque (lb-ft / Nm @ rpm)	325 / 441 @ 4000	455 / 617 @ 3200
Maximum engine speed (rpm)	5600	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	4L60-E	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 (4.10 optional)	3.73 standard (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	2WD: power recirculating ball 4WD: power, recirculating ball with EVO. Variable assist.	2WD & 4WD: power recirculating ball
Ratio	12.0:1	16.4:1
Steering wheel turns, lock-to-lock	3.3	3.25
Turning circle, curb-to-curb (ft)	43.3 (2WD & 4WD)	44.1 (2WD & 4WD)

Brakes
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 / 305 x 1.14 / 29; rear: 13 / 330 x 1.18 / 30
Swept area (sq in / sq cm)	front: 133.6 / 862; rear: 133.6 / 862

Wheels/Tires	1500	2500
Wheel size & type, 1/2-ton	16-inch x 7-inch aluminum (17-inch x 7.5-inch aluminum, optional)	16-inch x 7-inch aluminum
Tire size & type, 1/2-ton	P265/70R16 all-season, steel-belted radials	LT245/75R16 steel-belted radials

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)	73.5 / 1867	73.5 / 1867
Tread (in / mm)	front: 65 / 1651 rear: 66 / 1676	front: 65 / 1651 rear: 66 / 1676
Min. ground clearance ( in / mm) P265/70R-16 tires P265/70R-17 tires	8.6 / 218 (2WD & 4WD) 8.8 / 224 (2WD & 4WD)	7.0 / 178 (2WD & 4WD)
Ground to top of load floor (in / mm)	31 / 787	31 / 787
Approach angle	27.4°	25.0°
Departure angle	23.8°	18.0°
Base curb weight (lbs / 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 Dimensions	1st Row	2nd Row
Seating capacity, five or six total	3 with bench seat 2 with bucket seats	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	62.0 / 1575
Cargo box volume, midgate up (cu ft)	41	41

Capacities	1500	2500
EPA passenger volume (cu ft)	120.2	120.2
Interior cargo volume (cu ft)	53.9 with midgate up, 2nd row seat folded	53.9 with midgate up, 2nd row seat folded
GVWR, standard (lbs / kg)	2WD: 6800 / 3090.9 4WD: 7000 / 3181.8	8600 / 3901 (2WD or 4WD)
Payload, (lbs / kg)	base 2WD: 1363 / 618 base 4WD: 1322 / 599.5	max 2WD: 2247 / 1018 max 4WD: 1958 / 888
Trailer towing maximum, with trailer brakes (lbs / kg)	2WD: 8300 / 3765 4WD: 8100 / 3674	2WD: 12,000 / 5443 4WD: 12,000 / 5443
Fuel tank (gal / liters)	31 / 117.3	37.5 / 141.9
Engine oil with filter (qts / liters)	6 / 5.7	6 / 5.7
Engine coolant (qts / liters)	29 / 27.4	29 / 27.4