Models:

Chevrolet TrailBlazer LT and SS

Body style / driveline:

4-door, 5-passenger, front-engine, 2- and 4-wheel-drive midsize sport utilities

Construction:

body on frame

EPA vehicle class:

midsize sport utility

Manufacturing location:

Moraine, Ohio

Key competitors:

Ford Explorer, Jeep Grand Cherokee, Dodge Durango, Toyota 4-Runner

Vortec 4.2L I-6 (LL8)

6.0L V-8 (LS2)

Type:

4.2L I-6

6.0L V-8

Displacement (cu in / cc):

256 / 4157

364 / 5967

Bore & stroke (in / mm):

3.66 x 4.01 / 93 x 102

4.00 x 3.62 / 101.6 x 92

Block material:

cast aluminum

cast aluminum

Cylinder head material:

cast aluminum

cast aluminum

Valvetrain:

dual overhead camshafts, continuously variable valve timing, 4 valves per cylinder

overhead valve, 2 valves per cylinder, hydraulic roller lifters

Ignition system:

coil-on-plug, platinum-tipped spark plugs

coil near plug

Fuel delivery:

sequential fuel injection

sequential fuel injection

Compression ratio:

10.3:1

10.9:1

Horsepower (hp / kW @ rpm):

285 / 213 @ 6000*

390 / 291 @ 6000

Torque (lb-ft / Nm @ rpm):

276 / 374 @ 4600*

400 / 542 @ 4000

Recommended fuel:

regular unleaded

premium fuel recommended but not required

Maximum engine speed (rpm):

6300

6600

Emissions controls:

3-way catalytic converter, positive crankcase ventilation, evaporative collection system, variable valve timing

evaporative system, catalytic converter, positive crankcase ventilation

EPA-estimated fuel economy (city / hwy):

14 / 20 (2WD)
14 / 20 (AWD)

12 / 16 (2WD)
12 / 16 (AWD)

Hydra-Matic 4L60-E

Hydra-Matic 4L70

Application:

std with 4.2L

std with SS 6.0L engine

Type:

4-speed automatic transmission, rear-wheel drive, electronically controlled automatic overdrive with torque converter clutch

heavy-duty 4-speed automatic transmission, rear-wheel drive, electronically controlled automatic overdrive with torque converter clutch

Gear ratios (:1):

First:

3.06

3.06

Second:

1.63

1.63

Third:

1.00

1.00

Fourth:

0.70

0.70

Reverse:

2.29

2.29

Final drive ratio:

3.42:1 (std.)
3.73:1 and 4.10:1 (opt.)

4.10:1

Front:

independent, double A-arm, 46-mm shocks, 34-mm stabilizer

Rear:

LT: 5-link solid axle, 36-mm shocks, 34-mm stabilizer bar on 2WD, 24-mm stabilizer bar on 4WD;
SS: 5-link solid axle, solid 9.5-in heavy-duty (400-lb pre-load) limited-slip axle, 36-mm shocks, 24-mm stabilizer bar

Transfer case system:

Autotrac (standard on 4WD)

Steering type:

rack-and-pinion (hydraulically assisted)

Steering ratio:

LT: 20.4:1
SS: 16:1 low friction

Steering wheel turns, lock-to-lock:

LT: 3.82
SS: 3

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

LT: 36.4 / 11
SS: 36.4 / 11.1

TrailBlazer

TrailBlazer SS

Type:

4-wheel vented disc with front aluminum dual piston calipers, standard 4-wheel ABS; drum-in-hat parking brake

4-wheel vented disc with front cast iron dual piston calipers, standard 4-wheel ABS; drum-in-hat parking brake

Rotor diameter x thickness
(in / mm):

front: 12 x 1.14 / 305 x 29;
rear: 12.8 x 0.78 / 325 x 20

front: 12.8 x 1.14 / 325 x 29;
rear: 12.8 x 0.78 / 325 x 20

Total swept area (sq in / sq cm):

front: 210 / 1353;
rear: 217 / 1397

front: 228 / 1469
rear: 217 / 1397

TrailBlazer

TrailBlazer SS

Wheel size & type:

std: 17-inch sport aluminum;
opt: 17-inch bright aluminum;
opt: 18-inch polished aluminum

20-inch polished cast aluminum

Tires:

245/65R17
245/60R18

255/50 R20 V-rated

TrailBlazer

TrailBlazer SS

Wheelbase (in / mm):

113 / 2870

113 / 2870

Overall length (in / mm):

191.8 / 4872

191.8 / 4872

Overall width (in / mm):

74.7 / 1897

74.7 / 1897

Overall height, with side rails (in / mm):

74.5 / 1892

67.83 / 1723

Track (in / mm):

front: 63.1 / 1603
rear: 62.1 / 1576

front: 63.1 / 1603
rear: 62.1 / 576

Minimum ground clearance (in / mm):

7.8 / 198

7.82 / 198.5

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

32.1 / 817

30.05 / 763

Step-in height, 2WD (in / mm):

19.7 / 500

17.6 / 446

Approach angle (deg):

29

TBD

Departure angle (deg):

23

TBD

Curb weight (lb / kg):

2WD: 4356 / 1976
4WD: 4523 / 2052

2WD: 4496 / 2039
4WD: 4662 / 2115

Weight distribution (% front / rear):

2WD: 53 / 47
4WD: 53 / 47

2WD: 53 / 47
4WD: 53 / 47

TrailBlazer and TrailBlazer SS

Seating capacity:

1st row: 2
2nd row: 3 (total 5)

Headroom (in / mm):

1st row: 40.2 / 1021
2nd row: 39.6 / 1006

Legroom (in / mm):

1st row: 46.9 / 1191
2nd row: 37 / 940

Shoulder room (in / mm):

1st row: 58.5 / 1486
2nd row: 58.5 / 1486

Hip room (in / mm):

1st row: 56 / 1422
2nd row: 58.2 / 1478

Cargo length floor (in / mm):

70 / 1778

Cargo volume (cu ft / L):

2nd row seat up: 41 / 1162
behind 1st row seat: 80.1 / 2268

TrailBlazer (4.2L)

TrailBlazer SS

GVWR, standard (lb / kg):

2WD: 5550 / 2517
4WD: 5750 / 2608

2WD: 6001 / 2722
4WD: 6001 / 2722

Payload, base (lb / kg):

2WD: 1194 / 542
4WD: 1227 / 567

2WD: 1505 / 683
4WD: 1338 / 607

Trailer towing maximum (lb / kg):

2WD: 5900 / 2676
4WD: 5700 / 2586

2WD: 6800 / 3084
4WD: 6600 / 2994

Maximum tongue weight (lb / kg):

400 / 181
(without sway control)

400 / 181
(without sway control)

Fuel tank (gal / L):

22 / 83.3

22 / 83.3

Engine oil (qt / L):

7 / 6.6

5.5 / 5.2

Cooling system (qt / L):

13.9 / 13.1

15.3 / 14.5