#1 Coleman offers no information on a Utah for '94, '95 or '96. There is a '99 Utah but it is very different. What's the deal?
Coleman a.k.a Fleetwood now again a.k.a. Coleman often introduced models that weren't necessarily in the annual brochure because they weren't ready at the time of publication. The rare but very nice Nevada comes to mind as one such example ... there eventually was a single page spec sheet issued for it but it never did show up in any brochure. Since "Coleman" was actually Fleetwood in 1995 I'd suggest you do some online searching under 1995 Fleetwood
Utah, not Coleman. NADA claims it's open length is 22'2" which suggests to me it'd be a 10' box and in looking at the 1995 brochure it looks like the Utah could have been a mid season addition to the Four Seasons hard wall series that included the Hatteras, Yosemite, and Cape Cod ... but it's curious then as to why this model you're talking about doesn't have hard walls so is the current owner claiming it is a Four Seasons model or could it be that NADA has it wrong?
Another reason some models don't show up in brochures produced for the US is market ... in the late 90's Fleetwood produced a model called the Redwood and most units were shipped to markets outside the US, including Canada and Europe, and as a result weren't well known in the US.