Models:

Chevrolet Tahoe LS, LT and LTZ

Body style / driveline:

4-door sport utility vehicle, front-engine, 2- or 4-wheel drive, half-ton models

Construction:

body on frame

EPA vehicle class:

full-size sport utility vehicle

Manufacturing locations:

Janesville , Wisconsin , and Arlington , Texas

Key competitors:

Ford Expedition, Toyota Sequoia

Engines

Vortec 4800 4.8L V-8 (LY2)

Vortec 5300 5.3L V-8 (LY5)

Vortec 5300 5.3L V-8 (LMG)

Type:

4.8L V-8

5.3L V-8

5.3L V-8

Displacement (cu in / cc):

293 / 4807

325/ 5328

325 / 5328

Bore & stroke (in / mm):

3.78 x 3.27 / 96.01 x 83

3.78 x 3.62 / 96 x 92

3.78 x 3.62 / 96 x 92

Block material:

cast iron

cast iron

cast iron

Cylinder head material:

cast aluminum

cast aluminum

cast aluminum

Valvetrain:

overhead valve, 2 valves per cylinder

overhead valve, 2 valves per cylinder, hydraulic roller lifters

overhead valve, 2 valves per cylinder, hydraulic roller lifters

Ignition system:

coil near plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires

coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires

coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires

Fuel delivery:

sequential fuel injection

Displacement on Demand; sequential fuel injection

Displacement on Demand; sequential fuel injection

Compression ratio:

9.2:1

9.9:1

9.9:1

Horsepower (hp/ kw @ rpm):

290 / 216 @ 5400*

320 / 238 @ 5300*

320/ 238 @ 5300*

Torque (lb-ft / Nm @ rpm):

290 / 393 @ 4000*

340 / 470 @ 4200*

340 / 470 @ 4200*

Fuel:

87 octane

87 octane

87 octane, E85-capable

Maximum engine speed (rpm):

5900

6000

6000

Emissions controls:

close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor

close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor

close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor

Estimated fuel economy (unadjusted combined):

21 (2WD & 4WD)

20.5 (2WD)
20.1 (4WD)

20.5 (2WD)
20.1 (4WD)

Transmission

Type:

Hydra-Matic 4L60, 4-speed automatic

Gear ratios (:1):

First:

3.06

Second:

1.63

Third:

1.00

Fourth:

0.70

Reverse:

2.29

Final drive ratio:

4.8L – 3.23:1, 3.73:1

5.3L – 3.42:1, 3.73:1, 4.10:1

Front:

Independent, coil over shock; Autoride real-time damping (opt.)

Rear:

five-link with coil springs

Traction assist:

all-speed traction control

Steering type:

power-assisted rack-and-pinion

Steering ratio:

17.75:1

Steering wheel turns, lock-to-lock:

3

Turning circle, curb-to-curb (ft / m):

39.04 / 11.9

Type:

4-wheel disc, 4-wheel ABS

Rotor diameter x thickness (in / mm):

front: 13 x 1.18 / 330.2 x 30
rear: 13.5 x .787 / 345 x 20

Wheel size and type:

17 x 7.5-inch steel (fleet, Police Pursuit)

17 x 7.5-inch machined cast aluminum, silver sparkle accent (LS, LT)

18 x 8.0-inch polished aluminum (Z71 package) – late ’06 availability

20 x 8.5-inch polished aluminum (opt. LT, std. LTZ)

Tires:

P265/70R17 blackwall Bridgestone AL2 (all-season) steel belt radials;

P265/70R17 white letter Goodyear AL2 (all-season) steel-belt radials;

P265/70R17 blackwall Bridgestone OOR (on-off-road) steel belt radials (export only)

P265/60R17 blackwall Goodyear AL3 (higher performance) steel belt radials (Police Pursuit)

P265/65R18 blackwall Bridgestone OOR (on-off-road) steel belt radials – late ’06 availability

P265/65R18 blackwall Bridgestone AL2 (all-season) steel belt radials (export only)

P275/55R20 blackwall Bridgestone AL2 (all-season) steel belt radials

Wheelbase (in / mm):

116 / 2946

Overall length (in / mm):

202.0 / 5129.9

Overall width (in / mm):

79.0 / 2007.0

Overall height (in / mm):

2WD: 76.9 / 1954.4; 4WD: 77 / 1955.3

Track (in / mm):

front: 68.2 / 1731.8

rear: 67.0 / 1701.8

Minimum ground clearance (in / mm):

9 / 228.8

Step-in height (in / mm):

2WD: 21.8 / 553.1 4WD: 22 / 557.9

Ground to top of load floor (in / mm):

2WD: 31.7 / 804.6

4WD: 31.6 / 802.1

Approach angle (deg):

17

Departure angle (deg):

21.9

Curb weight (lb / kg):

2WD: 5233 / 2373.7 4WD: 5537 / 2511.6

Weight distribution (% front / rear)

52 / 48

First Row

Second Row

Third Row

Seating capacity (9 total):

2 / 3

2 / 3

2 / 3

Head room (in / mm):

40.3 / 1023

38.5 / 978.0

38.2 / 971.3

Leg room (in / mm):

41.3 / 1048.9

39.0 / 990.8

25.4 / 644.2

Shoulder room (in / mm):

65.3 / 1657.9

65.3 / 1657.4

61.7 / 1566.1

Hip room (in / mm):

64.4 / 1636.7

60.6 / 1538.9

49.1 / 1246.5

Cargo volume (cu ft / L):

Behind 1 st row, 2 nd row folded no third row

108.9 / 3084

Behind 2 nd row no third row

60.3 / 1707.7

Behind 3 rd row

16.9 / 478.6

EPA interior volume (cu ft / L):

108.9 / 3084

GVWR: (lb / kg):

2WD: 7100 / 3220.5
4WD: 7300 / 3311.3

Payload, base (lb / kg):

2WD: 1867 / 846.8 (with third-row seat)
4WD: 1763 / 799.7 (with third-row seat)

Trailer towing maximum (lb / kg):

2WD: 7200 / 3266
4WD: 7700 / 3492

Fuel tank (gal / L):

26 / 98

Engine oil (qt / L):

6 / 5.7

Cooling system (qt / L):

4.8L: 14.4 / 13.6; 5.3L: 16.8 / 15.9