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, Crew
Cab and Extended Cab |
opt on Regular Cab, Crew
Cab and Extended Cab; std on ZQ8 Crew Cab and Z71
Crew Cab |
Type |
2.8L inline four cylinder |
3.5L inline five 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; LEV II |
dual split converter
design; LEV II |
Estimated fuel economy
(mpg city / hwy / combined) |
TBD |
TBD |
Wheels &
Tires |
2004
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
|
Tires |
205/75R15 std all-season steel-belted
radial tires (2WD)
|
P225/70R15 all-season steel-belted
radial tires (std on 2WD Crew Cab)
|
P235/75R15 all-season steel-belted
radial tires (std on 4WD)
|
P265/75R15 on/off-road steel-belted
radial (with Z71 Off Road package)
|
P235/50R17 low-profile radial (with
ZQ8 package)
|
full-size spare standard on all
models
|