Bought this truck new in 2003 presently have 140k on it, I opted for the high performance engine and my gas mileage is a little rough avg 12mpg city 16 high way besides and annoying problem with a vacuum switch for the front differential which is located on the transfer case ( it was trying to engage the four wheel drive when you didn't push the button made a really nasty noise while the front tried to engage when the transfer was lined up) Other than that on regular scheduled maintenance has been done to this truck just a nice comfy ride due to the torsion bar suspension (something it's replacement doesn't have the Colorado) and the truck has not once broken down. Good performance , good handling( unless you have to turn around in a narrow street) car like ride yet will haul and run like a little sports car. Was a shame when they discontinued it they finally got it right.
Driving this truck has been a great experience, have only replaced a high been bulb in headlight, tires once, it has 70,000 miles. I change the oil every 3 months. Air is cold in 120 summers. The truck has great power when accelerated this has helped avoid serious accidents. I have been very happy with its performance and safety. The only thing is the gas mileage isn't as good, probably because of the 4x4 capability and crew cab feature. The spare tire underneath the bed is not accessible for me and the backseat is very uncomfortable in the middle (is raised in the middle) when 3 ppl have to sit in back. All in all, truck is a good buy and should be cont'd to be manufactured in my opinion.
Highly versatile truck does everything well. Just reached 50,000 miles with only a few cosmetic problems. Motor does a good job. Peppy, but no speed demon. Driver/front passenger in comfortable well laid out interior. Back seat room for children/ short trips only. 4.3L V-6 good torque/hp but geared for low-speed power & economy. Wide turning radius can be a problem in tight areas. Doesn't like quick turns either. Having bought the vehicle in one of it's later years of production. I expected to have less fit & finish problems already worked out. Slightly disappointed with that. Still this highly versatile vehicle just "Gets'er done.