The correct size is listed on the driver's door post and in your owner's manual. It depends on if this is a 2wd or 4wd. If the tag is missing and you have no owner's manual, go to
www.tirerack.com
The proper size are p265 75 r15's.
265-75-15
to much
It should be located under the truck at the front portion of the gas tank.
How do I take off the handle to put a new one on a chevy colorado 2005
How to deactivate a anti theift system for Chevy Colorado
0.40
210
on the engine
Assuming you mean wear of the edges of the tires, and not the middle, this is an issue of UNDER inflation of the tires.
how to change water pump on a 2005 colorado truck 2.8 eingine
19.6 gallon.
A 2005 Chevy Colorado Z85 2 door, reg cab, 4WD maximum payload is 1,535 lbs.