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, La.

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:

cast aluminum

cast aluminum

cast aluminum

Cylinder head material:

cast aluminum

cast aluminum

cast aluminum

Valvetrain:

DOHC, continuously variable valve timing, four valves-per-cylinder

DOHC, continuously variable valve timing, four valves-per-cylinder

overhead valve, two valves per cylinder; continuously variable valve timing

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 / 24 (2WD, man)
18 / 24 (2WD, auto)
17 / 22 (4WD, man)
16 / 22 (4WD, auto)

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

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

MA5

Hydra-Matic 4L60

Type:

five-speed manual

four-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, four-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

 Interior

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 percent to 15 percent of total loaded trailer weight up to 400 lb / 182 kg