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Home / Buyer's Guide / Brochures / 2005 Colorado / Specifications

2005 Colorado
Overview | Standard/Optional | Specifications | Exterior Colors | Interior Colors/Styles | Available Wheels

Fuel Economy
Engine Estimated MPG city/hwy.1
Vortec 2800 I-4
2WD with 5-speed manual 20/26
4x4 with 5-speed manual 19/23
2WD with 4-speed automatic 18/25
4x4 with 4-speed automatic 18/23
Vortec 3500 I-5
2WD with 5-speed manual 19/25
4x4 with 5-speed manual 19/24
2WD with 4-speed automatic (Regular and Extended Cab models) 18/23
4x4 with 4-speed automatic (Regular and Extended Cab models) 18/22
2WD with 4-speed automatic (Crew Cab models) 18/23
4x4 with 4-speed automatic (Crew Cab models) 17/22
1  Official EPA estimates not yet available. Estimates based on GM testing.

Dimensions
Dimensions

NOTE: All dimensions shown are inches/millimeters unless otherwise noted.
Exterior Regular Cab Extended Cab Crew Cab
Wheelbase 111.3/2826 126.0/3200 126.0/3200
Length 192.4/4886 207.1/5260 207.1/5260
Height
2WD 64.9/1649 64.9/1649 65.5/1656
4x4 67.6/1718 67.6/1718 67.9/1725
Width 68.6/1742 68.6/1742 68.6/1742
2WD tread width
front 57.5/1460 57.5/1460 57.5/1460
rear 57.5/1460 57.5/1460 57.5/1460
4x4 tread width
front 59.0/1499 59.0/1499 59.0/1499
rear 59.2/1504 59.2/1504 59.2/1504
Bumper to front axle 33.9/861 33.9/861 33.9/861
Rear overhang 47.2/1199 47.2/1199 47.2/1199

Cargo Box Regular and Extended Cab Box Crew Cab Box
Length at floor 72.8 (Reg.), 72.8 (Ext.)/1849 61.1/1552
Width at floor 57.2/1453 57.2/1453
Width at floor 57.2/1453 57.2/1453
Width between wheelhousings 42.6/1081 42.6/1081
Tailgate width 52.4/1331 52.4/1331
Inside height 18.6/472 18.6/472
Cargo box volume1 (cu. ft.) 43.9 36.7
1  Cargo and load capacity limited by weight and distribution.
Interior Regular Cab Extended Cab Crew Cab
Headroom
front 39.6/1006 39.6/1006 39.6/1006
rear — 37.9/962 38.3/973
Legroom
front 42.2/1071 42.2/107 42.2/107
rear — 23.1/587 34.8/883
Shoulder room
front 57.1/1450 57.1/1450 57.1/1450
rear — 57.2/1453 57.1/1450


Capacities
  Regular Cab Extended Cab Crew Cab
Seating 2/3 4/5 5/6
Fuel tank, approximate (gal./liters) 19/71.9 19/71.9 19/71.9
GVWR, standard (lbs./kg)1
Z85 2WD 4850/2200 5000/2268 5000/2268
Z85 4x4 5150/2336 5300/2404 5300/2404
Sport 2WD 4400/2000 4600/2091 4600/2091
Z71 2WD 5150/2336 5300/2404 5300/2404
Z71 4x4 5150/2336 5300/2404 5300/2404
Payload, base (lbs./kg)2
Z85 2WD 1547/702 1532/695 1316/597
Z85 4x4 1535/696 1523/691 1338/607
Sport 2WD 1037/470 1074/487 857/389
Z71 2WD 1743/791 1746/792 1432/650
Z71 4x4 1486/674 1474/669 1190/540
Curb weights, estimated (lbs./kg)
Z85 2WD 3303/1489 3468/1573 3684/1671
Z85 4x4 3615/1640 3777/1713 3962/1797
Sport 2WD 3363/1525 3526/1599 3843/1743
Z71 2WD 3407/1545 3554/1612 3868/1754
Z71 4x4 3664/1662 3826/1735 4110/1864
1  Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, driver, passengers, cargo and optional equipment.
2  Maximum payload capacity includes weight of driver, passengers, optional equipment and cargo.

Trailering
Maximum trailer weight ratings (lbs./kg) — Manual Transmission
Engine Vortec 2800 I-4 Vortec 3500 I-5
Regular Cab
2WD 2400/1088 3800/1724
4x4 2000/907 3500/1588
Extended Cab
2WD 2200/998 3700/1768
4x4 1900/862 3400/1542
Crew Cab 4x4
2WD 2000/907 —
4x4 1700/771 —

Maximum trailer weight ratings (lbs./kg) — Automatic Transmission
Engine Vortec 2800 2.8L I-4 Vortec 3500 3.5L I-5
Regular Cab
2WD 3400/1542 4000/1814
4x4 3100/1406 4000/1814
Extended Cab
2WD 3200/1451 4000/1814
4x4 2900/1315 4000/1814
Crew Cab
2WD 3100/1406 4000/1814
4x4 2700/1225 4000/1814
Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. The weight of other optional equipment, passengers and cargo will reduce the maximum trailer weight your vehicle can tow. See your Chevrolet dealer for additional details.
NOTE: Trailer tongue weight should be 10 to 15 percent of total loaded trailer weight up to 500 lbs.
NOTE: For recreational towing restrictions and availability, consult the Owner’s Manual.

Braking
  U.S. Standard Metric
Front
Rotor size (diam. x thick.) 11.0 x 1.1 in. 280 x 27mm
Swept area 105.7 sq. in. 681.7 sq. cm
Rear
Drum size (diam. x width) 11.6 x 1.8 in. 295 x 45mm
Swept area 64.6 sq. in. 417 sq. cm


Engine
Engine Vortec 2800 I-4 Vortec 3500 I-5
Displacement (cu. in./liters) 169/2.8 211/3.5
Bore & stroke (in./mm) 3.66 x 4.0/91.4 x 101.6 3.66 x 4.0/91.4 x 101.6
Compression ratio 10.0:1 10.0:1
Cylinder block material aluminum aluminum
Cylinder head material aluminum aluminum
Valve configuration DOHC DOHC
Valves/cylinder 4 4
Ignition system coil-on-plug coil-on-plug
Lifters hydraulic roller hydraulic roller
Cam drive chain chain
Coolant capacity (quarts/liters)
manual transmission 9.5/9 9.5/9
automatic transmission 9.5/9 9.5/9
Oil capacity (quarts/liters) 4.5/4.3 4.5/4.3
Alternator rating (amps) 100 100
Battery (SAE rating, cca) 690 690
Recommended unleaded fuel 87 octane 87 octane
Maximum engine speed (RPM) 5600 5600
Horsepower/kW (@ engine RPM) 175/130.5 @ 5600 220/164.1 @ 5600
Torque (lb.-ft./N-m @ RPM) 185/250 @ 2800 225/305 @ 2800


Steering
  Ratio
2WD 18.1:1 (on center)
4x4 19.1:1 (on center)
Turning diameter curb-to-curb (ft./m) Regular Cab models: 40/12.2 (approx.); Extended and Crew Cab models: 44.6/13.6 (approx.)


Transmission
  Manual 5-speed w/overdrive Automatic 4-speed w/overdrive
First gear 3.75 3.05
Second gear 2.26 1.62
Third gear 1.37 1.00
Fourth gear 1.00 0.69
Fifth gear 0.73 —
Reverse 3.67 2.29
Case material die-cast aluminum die-cast aluminum




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