tldr; The Spirit CT800 is widely regarded as a durable, commercial-grade "tank" that will last a very long time, though some prefer the feel of the XT685.
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Best praise vs top criticism for Spirit CT800
“Spirit 685 is the way to go. Far superior to the horizon and I don’t see any need to go up to the CT800. I have rarely recommended it for a client. I prefer the way the XT685 feels and how it responds…one of my favorite treadmills to sell.”
“I now see that the CT800 requires a 20 amp service. This is an added complication that I would love to avoid. What do you guys think? Will the EXT685 be up to the task? Damn though. That has to be one of the ugliest, most outdated looking pieces of equipment still in production.”
37 Reddit opinions analyzed • Last updated 2/24/2026