Models:

Chevrolet Colorado 2WD & 4WD regular cab, extended cab and crew cab

Body style/driveline:

crew cab (5-6 passengers), extended cab (4-5 passengers), regular cab (2-3 passengers), front-engine rear-wheel drive and 4-wheel drive pickup

Construction:

welded steel ladder H-frame, electro-galvanized steel

EPA vehicle class:

compact pickup

Manufacturing locations:

Shreveport, Louisiana

Key competitors:

Regular and extended cabs: Ford Ranger, Dodge Dakota, Toyota Tacoma, Nissan Frontier; crew cab: Dodge Dakota Quad Cab, Nissan Frontier Crew Cab, Toyota Tacoma Double Cab, Ford Explorer Sport Trac

Vortec 2.9L I-4

Vortec 3.7L I-5

Vortec 5.3L V-8

Application:

std on regular cab and extended cab

opt on regular cab and extended cab; std on 4WD crew cab and 2WD crew cab w/ Z71 suspension

opt on extended cab and crew cab; standard with ZQ8 suspension

Type:

2.9L inline 4-cylinder

3.7L inline 5-cylinder

5.3L V-8

Displacement (cu in/cc):

178/2921

223/3654

325/5328

Bore & stroke (in/mm):

3.76 x 4/95.5 x 102

3.76 x 4/95.5 x 102

3.78 x 3.62/96 x 92

Block material:

A356-T6 cast aluminum

A356-T6 cast aluminum

cast aluminum

Cylinder head material:

A356-T6 cast aluminum

A356-T6 cast aluminum

cast aluminum

Valvetrain:

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

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

OHV, 2 valves per cylinder

Ignition system:

coil-on-plug, platinum-tipped spark plugs

coil-on-plug, platinum-tipped spark plugs

coil near plug, platinum-tipped spark plugs, low-resistance spark plug wires

Fuel delivery:

sequential fuel injection

sequential fuel injection

sequential fuel injection

Compression ratio:

10:1

10:1

9.9:1

Horsepower (hp/kW @ rpm):

185/138 @ 5600*

242/180 @ 5600*

300/224 @ 5200*

Torque (lb.-ft./Nm @ rpm):

190/258 @ 2800*

242/328 @ 4600*

320/434 @ 4000*

Recommended fuel:

regular unleaded

regular unleaded

regular unleaded

Maximum engine speed (rpm):

6300

6300

6000

Emissions controls:

evaporative system, two close-couple and underfloor catalytic converters

evaporative system, two close-couple and underfloor catalytic converters

evaporative system, four close-couple and underfloor catalytic converters

Estimated fuel economy (city/hwy):

18/25 (2WD, man)
18/24 (2WD, auto)
17/25 (4WD, man)
17/23 (4WD, auto)

17/23 (2WD, auto)
16/22 (4WD, auto)

15/21 (2WD, auto)
14/19 (4WD, auto)

MA5

Hydra-Matic 4L60

Type:

5-speed manual

4-speed automatic

Gear ratios (:1):

First:

3.75

3.06

Second:

2.26

1.63

Third:

1.37

1.00

Fourth:

1.00

0.70

Fifth:

0.73

—

Reverse:

3.67

2.29

Axle ratios (:1):

3.73

3.73 (2.9L & 3.7L)
3.42, 3.73 & 4.10 (5.3L)

Front:

independent with coil springs for 2WD; independent with torsion bars for all 4WD, Z71 2WD and Z85 2WD w/ V-8; with front stabilizer bar

Rear:

live axle with steel leaf springs

Steering type:

power-assisted rack-and-pinion

Steering ratio:

17.4:1 (2.9L & 3.7L w/ 2WD)
18.3:1 (2.9L & 3.7L w/ 4WD)
18.1:1 (5.3L w/o ZQ8)
14.5:1 (5.3L w/ ZQ8)

Steering wheel turns, lock-to-lock:

2WD Z85: 3.31
4WD: 3.20
Z71 (incl. 2WD): 3.20
5.3L w/o ZQ8: 3.08
5.3L w/ ZQ8: 2.73

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

2WD short wheelbase: 39.37/12; 2WD long wheelbase: 44.3/13.5; 4WD short wheelbase: 40.7/12.4; 4WD long wheelbase: 44.3/13.5

Type:

vacuum power, front disc/rear drum, 4-wheel anti-lock brakes

Rotor diameter x thickness (in/mm):

front: 11.7 x 1.1/298 x 29

Drum diameter x width (in/mm):

rear: 11.6 x 1.8/295 x 45

Rotor swept area (in/mm):

57/367.7

Drum swept area (sq in/sq cm):

69.6/449.6

Total swept area (sq in/sq cm):

367.2/2370

Wheel size & type:

16-inch steel (std on Work Truck)

16-inch aluminum & chrome-clad (LS and LT)

17-inch chrome-clad (std on Z71)

18-inch aluminum (std on ZQ8)

Tires:

P235/75R16 all-season

P265/70R17 off-road (std. on Z71)

P235/65R18 all-season (std. on ZQ8)

2WD

2WD

2WD

4WD

4WD

4WD

Wheelbase
(in/mm):

111.3/2826

126/3200

126/3200

111.3/2827

126/3200

126/3200

Overall length
(in/mm):

192.4/4886

207.1/5260

207.1/5260

192.4/4886

207.1/5260

207.1/5260

Overall width
(in/mm):

67.6/1717

67.6/1717

67.6/1717

68.6/1742

68.6/1742

68.6/1742

Overall height
(in/mm):

64.9/1649

64.9/1649

65.2/1656

67.6/1718

67.6/1718

67.9/1723

Track (in/mm):

front: 57.5/1460

front: 57.5/1460

front: 57.5/1460

front: 59.6/1515

front: 59.6/1515

front: 59.6/1515

rear: 57.5/1460

rear: 57.5/1460

rear: 57.5/1460

rear: 59.8/1520

rear: 59.8/1520

rear: 59.8/1520

Minimum ground clearance front (in/mm):

Z85:
ZQ8 :
Z71:

7.7/196
N/A
11.2/285

7.7/196
6.6/167
11.4/290

7.7/196
6.6/167
11.4/290

10.2/258
N/A
11.2/285

10.4/264
N/A
11.4/290

10.4/264
N/A
11.4/290

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

Z85:
ZQ8:
Z71:

33/838
N/A
36.8/935

31.9/810
25.2/639
31.9/809

31.9/810
25.2/639
31.9/809

35.7/907
N/A
36.8/935

30.1/764
N/A
31.9/809

30.1/764
N/A
31.9/809

Step-in height
(in/mm):

Z85:
ZQ8:
Z71:

20/509
N/A
24.0/610

19.7/500
16.6/421
22.5/575

19.7/500
16.6/421
22.5/575

22.9/582
N/A
24.0/610

21.3/543
N/A
22.5/575

21.3/543
N/A
22.5/575

Curb weight w/ Z85 suspension (lb/kg):

I-4 with manual:

3366/1527

3559/1614

3688/1673

3684/1671

3878/1759

N/A

I-4 with automatic:

3399/1542

3592/1629

3721/1688

3718/1686

3911/1774

N/A

I-5 with manual:

N/A

N/A

N/A

N/A

N/A

N/A

I-5 with automatic:

3455/1567

3649/1655

3782/1715

3779/1714

3972/1802

4070/1846

V-8 with automatic:

N/A

3889/1764

4013/1820

N/A

4136/1876

4218/1913

Cargo Box

Regular Cab

Extended Cab

Crew Cab Box

Cargo volume (cu ft/L):

44/1245

44/1245

37/1040

Length at floor (in/mm):

72.8/1848

72.8/1848

61.1/1551

Width at floor (in/mm):

57.2/1453

57.2/1453

57.2/1453

Width between wheelhousings
(in/mm):

42.6/1081

42.6/1081

42.6/1081

Tailgate width (in/mm):

52.4/1331

52.4/1331

52.4/1331

Inside height (in/mm):

18.6/472

18.6/472

18.6/472

Regular Cab

Extended Cab

Crew Cab

Seating capacity:

2-3

4-5

5-6

Headroom (in/mm):

39.6/1006

front: 39.6/1006

front: 39.3/998

rear 37.9/963

rear: 38.3/973

Legroom (in/mm):

44/1118

front: 44/1118

front: 44/1118

rear: 23.1/587

rear: 34.8/883

Shoulder room (in/mm):

57.1/1450

front: 57.1/1450

front: 57.1/1450

rear: 57.2/1452

rear: 57.2/1452

Hip room (in/mm):

53.3/1354

front: 53.3/1354

front: 53.3/1354

rear: 57.6/1463

rear: 52.9/1343

Regular Cab

Extended Cab

Crew Cab

GVWR, standard (lb/kg)*:

2WD: 4850/2200

2WD: 5000/2268

2WD: 5000/2268

4WD: 5150/2336

4WD: 5300/2404

4WD: 5300/2404

Payload, base (lb/kg):

2WD: 1422/645

2WD: 1379/625

2WD: 1250/567

4WD: 1403/636

4WD: 1360/617

4WD: 1168/530

Fuel tank (gal/L):

19.6/74.2

19.6/74.2

19.6/74.2

Vortec 2.9L I-4

Vortec 3.7L I-5

Vortec 5.3L V-8

manual

automatic

automatic

automatic

Engine oil (qt/L):

4.5/4.7

4.5/4.7

4.5/4.7

5.5/5.2

Maximum towing capacity (lb/kg)

Regular cab 2WD:

2400/1088

3400/1542

4000/1814

N/A

Regular cab 4WD:

2100/953

3100/1406

4000/1814

N/A

Extended cab 2WD:

2200/998

3200/1451

5500/2495

6000/2721

Extended cab 4WD:

1900/862

2900/1315

5500/2495

6000/2721

Crew cab 2WD:

2100/952

3000/1361

5500/2495

6000/2721

Crew cab 4WD:

N/A

N/A

5500/2495

6000/2721

Maximum tongue weight:

Trailer tongue weight should be 10% to 15% of total loaded trailer weight up to 400 lb/182 kg