7424 vs 7424XP
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In order though, it'd be xp, 7424, g110 for me. Another machine that you should maybe consider is the Flex.
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The Flex weight wise feels the same as the G110 and the 7424 but is nearly 2X as powerful so you do half the work in half the time.
Even if your vehicle's paint is in good shape...what if you work on someones vehicle that is not? So much time, energy and polish....
If you end up like me wanting more you will spend nearly $440 in buffing machines in less than 6 months into serious detailing.
I have used and abused the hell out of my G110 with no problems. As a novice I was using too much pressure, then not enough but running the machine for hours and max speed. It's been dropped on concrete 3 times from seat and floor height in my truck and once off the trash can....it even got rained on....and it has never missed a beat.
I just got one of these,
but I will probably still favor my G110 for light work once I get my paint right since you can almost never hurt your paint with it.