2012 CHEVROLET COLORADO SPECIFICATIONS Overview Models: Body style / driveline: Construction: EPA vehicle class: Manufacturing locations: Key competitors: Chevrolet Colorado: 2WD & 4WD regular cab, extended cab and crew cab 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 welded steel ladder H-frame, electro-galvanized steel compact pickup Shreveport, La. Regular and extended cabs: Ford Ranger, Dodge Dakota, Toyota Tacoma, Nissan Frontier; crew cab: Dodge Dakota Quad, Nissan Frontier Crew, Toyota Tacoma Double Engines Application: Vortec 2.9L I-4 Vortec 3.7L I-5 Vortec 5.3L V-8 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 Type: 2.9L inline 4-cylinder 3.7L inline 5-cylinder 5.3L V-8 standard with ZQ8 suspension, opt. on 2LT extended and crew cab models Displacement (cu in / cc): 178 / 2921 223 / 3651 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 Block material: cast aluminum cast aluminum cast aluminum Cylinder head material: cast aluminum cast aluminum cast aluminum Valvetrain: Ignition system: Fuel delivery: DOHC, continuously variable exhaust valve timing, four valves-per-cylinder coil-on-plug, platinum-tipped spark plugs sequential fuel injection DOHC, continuously variable exhaust valve timing, four valves-percylinder coil-on-plug, platinumtipped spark plugs sequential fuel injection 92 overhead valve, two valves per cylinder; continuously variable valve timing coil near plug, platinum-tipped spark plugs, lowresistance spark plug wires sequential fuel injection Compression ratio: 10:1 10:1 9.7:1 Horsepower (hp / kw @ rpm): Torque (lb.-ft. / Nm @ rpm): 185 / 138 @ 5600* 242 / 180 @ 5600* 300 / 224 @ 5200* 190 / 258 @ 2800* 242 / 328 @ 4600* 320 / 434 @ 3600* Recommended fuel: regular unleaded regular unleaded regular unleaded Maximum engine speed 6300 6300 6000
(rpm): Emissions controls: Estimated fuel economy (city / hwy): evaporative system, two close-couple and 18 / 25 (2WD, man) 18 / 25 (2WD, auto) 18/24 (4WD, man) 17/23 (4WD, auto) evaporative system, two close-couple and 17 / 23 (2WD, auto) 17/23 (4WD, auto reg and ext cab) 16 / 21 (4WD auto crew cab) evaporative system, four closecouple and 14/20 (2WD, auto) 14 / 19 (4WD, auto) Transmissions 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) Chassis/Suspension Front: Rear: Steering type: Steering ratio: 3:42, 3.73 & 4.10 (5.3L) 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 live axle with steel leaf springs power-assisted rack-and-pinion 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 3.31 Turning circle, curb-to-curb (ft / m): 4WD: 3.20 Z71 (incl. 2WD): 3.20 5.3L w/o 3.08 5.3L w/ 2.73 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 Brakes Type: Rotor diameter x thickness (in / mm): Drum diameter x width (in / mm): vacuum power, front disc/rear drum, four-wheel anti-lock brakes front: 11.7 x 1.1 / 298 x 29 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 Wheels/Tires Wheel size & type: Tires: 16-inch steel (std on work truck) 16-inch aluminum (LT) 17-inch chrome-clad (std on Z71) 18-inch aluminum (std on ZQ8) P235/75R16 all-season P265/70R17 off-road (std on Z71) P235/65R18 all-season (std on ZQ8) Dimensions Exterior Wheelbase (in / mm): Overall length (in / mm): Overall width (in / mm): Overall height (in / mm): Track (in / mm): Minimum ground clearance front (in / mm) Ground to top of load floor (in / mm) Step-in height (in / mm) Curb weight w/ Z85 suspension (lb / kg) Regular Extended Crew Regular Extended Crew 2WD 2WD 2WD 4WD 4WD 4WD 111.3 / 2826 126 / 3200 126 / 3200 111.3 / 2827 126 / 3200 126 / 3200 192.4 / 4886 192.4 / 4886 67.6 / 1717 67.6 / 1717 67.6 / 1717 68.6 / 1742 68.6 / 1742 68.6 / 1742 64.9 / 1649 front: 57.5 / 11.2 / 285 33 / 838 36.8 / 935 20 / 509 24.0 / 610 64.9 / 1649 65.2 / 1656 67.6 / 1718 67.6 / 1718 67.9 / 1723 front: 57.5 / front: 57.5 / front: 59.6 / front: 59.6 / front: 59.6 / 6.6 / 167 31.9 / 810 25.2 / 639 19.7 / 500 16.6 / 421 6.6 / 167 31.9 / 810 25.2 / 639 19.7 / 500 16.6 / 421 10.2 / 258 11.2 / 285 35.7 / 907 36.8 / 935 22.9 / 582 24.0 / 610 10.4 / 264 30.1 / 764 21.3 / 543 I-4 with manual: 3366 / 1527 3559 / 1614 3688 / 1673 3684 / 1671 3878 / 1759 I-4 with automatic: 3399 / 1542 3592 / 1629 3721 / 1688 3718 / 1686 3911 / 1774 I-5 with manual: 10.4 / 264 30.1 / 764 21.3 / 543 I-5 with automatic: 3455 / 1567 3649 / 1655 3782 / 1715 3779 / 1714 3972 / 1802 4070 / 1846 V-8 with automatic: 3889 / 1764 4013 / 1820 4136 / 1876 4218 / 1913
Cargo box Regular Extended Crew 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 Extended Crew 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 Capacities GVWR standard (lb / kg)*: Payload, base (lb / kg): 2WD: 1422 / 645 4WD: 1403 / 636 Fuel tank (gal / L): Regular Extended Crew 2WD: 4850 / 2200 2WD: 5000 / 2268 2WD: 5000 / 2268 4WD: 5150 / 2336 4WD: 5300 / 2404 19.6 / 74.2 *5500 w/ 5.3L & Z71 (2WD & 4WD) or 5.3L & Z85 4WD 2WD: 1379 / 625 4WD: 5300 / 2404 2WD: 1250 / 567 4WD: 1360 / 617 4WD: 1168 / 530 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 Regular cab 4WD: 2100 / 953 3100 / 1406 4000 / 1814 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: 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
* SAE certified. Note: Information shown is current at time of publication. ##