I have a 97 4 door blazer and will give you my take on it. It has been a pretty good truck so far. It gets my from a to b and has 166k miles on it now I think. The things I have replaced have been the motor mounts "i think lowering it put more stress on them", the egr valve, the brake power booster, the fuel pump, oil cooler lines, alternator, brake master cylinder, tranny, water pump, thermostat, and thats about it. Haha now that I think about it thats kinda a lot. All of that was done within the 40k miles I put on it. Hopefully I get a new truck soon. Oh and just btw it gets 16mpg city/freeway, and 100 percent freeway it may get 20.