Dimensions and capacities are in inches unless otherwise
specified.
| Powertrain
/ Chassis |
Vortec
2800 2.8L I-4 |
Vortec
3500 3.5L I-5 |
| Application |
std on Regular Cab, Extended
Cab and Crew Cab with Z85 suspension |
std on ZQ8 and Z71 Crew
Cab; opt on Crew Cab with Z85, Regular Cab and Extended
Cab |
| Type |
2.8L inline 4-cylinder |
3.5L inline 5-cylinder |
| Displacement (cu in / cc) |
169 / 2770 |
211 / 3460 |
| Bore & stroke (in / mm) |
3.66 x 4 / 93 x 102 |
3.66 x 4 / 93 x 102 |
| Block material |
A356-T6 lost foam cast
aluminum |
A356-T6 lost foam cast
aluminum |
| Cylinder head material |
A356-T6 lost foam cast
aluminum |
A356-T6 lost foam cast
aluminum |
| Valvetrain |
dual overhead
camshafts, continuously variable exhaust valve timing,
variable exhaust cam phasing, 4 valves-per-cylinder,
with “couple” design balance shafts |
dual overhead
camshafts, continuously variable exhaust valve timing,
variable exhaust cam phasing, 4 valves-per-cylinder,
with dual balance shafts |
| Ignition system |
distributorless electronic
spark, coil-on-plug, platinum-tipped spark plugs |
distributorless electronic
spark, coil-on-plug, platinum-tipped spark plugs |
| Fuel delivery |
multipoint sequential fuel
injection |
multipoint sequential fuel
injection |
| Compression ratio |
10.0:1 |
10.0:1 |
| Horsepower (hp / kw @ rpm) |
175 / 130 @ 5600 |
220 / 164 @ 5600 |
| Torque (lb-ft / Nm @ rpm) |
185 / 251 @ 2800 |
225 / 305 @ 2800 |
| Recommended fuel |
87 octane |
87 octane |
| Maximum engine speed (rpm) |
6300 |
6300 |
| Emissions controls |
dual “split converter”
design |
dual “split converter”
design |
Estimated fuel economy
(mpg city / hwy / combined) |
TBD |
TBD |
| Chassis
/ Suspension |
2005
Chevy Colorado |
| Front |
independent with coil springs,
shock absorbers and stabilizer bar (2WD); independent
with torsion bars, shock absorbers and stabilizer bar
(4WD) |
Rear
|
live axle
with steel, two-stage semi-ellliptic multileaf springs;
stabilizer bar with ZQ8 Sport package |
| Steering type |
power-assisted rack-and-pinion |
| Steering ratio |
17.4:1
(2WD); 18.3:1 (4WD) |
| Steering wheel turns, lock-to-lock |
2WD Z85 3.31 |
| ZQ8 2.92 |
| Z71 3.20 |
| 4WD (Z85 and Z71): 3.20 |
| Turning circle,
curb-to-curb (ft / m) |
2WD short
wheelbase: 39.7 / 12 |
| 2WD long
wheelbase: 44.3 / 13.5 |
| 4WD short
wheelbase: 40.7 / 12.4 |
| 4WD long
wheelbase: 44.3 / 13.5 |
| Wheels &
Tires |
2005
Chevy Colorado |
| Wheel size and type |
2WD / 4WD: 15-inch x 6-inch steel;
opt 15 x 6.5-inch aluminum
|
|
15 x 7-inch aluminum with Z71 Off
Road suspension
|
|
17 x 8-inch aluminum with ZQ8 Sport
suspension
|
|
18-inch x 8-inch aluminum with Xtreme
|
| Tires |
General 205/75R15 standard all-season
steel-belted radial tires (2WD)
|
|
General P225/70R15 all-season steel-belted
radial tires (standard on 2WD Crew Cab)
|
|
Continental P235/75R15 on-/off-road
steel-belted radial tires (standard on 4WD)
|
|
General P265/75R15 on/off-road steel
belted radial (with Z71 Off Road package)
|
|
Continental P235/50R17 low profile
radial (with ZQ8 package)
|
|
Goodyear P235/50R18 with Xtreme
|
Car Reviews
2005
Chevy Colorado - Review
2005
Chevy Colorado - Price Quote
