Good question, you have a 2nd generation 4Runner, 90-95. The 1st generation 4Runner had a removable top. The newest one (03) is a foruth generation. Here is a site for some more history.
http://www.top4runners.com/ja/runhist.html
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2001 & 2004 Toyota 4Runner SR5 4X2
Both V6 and both Natural White
"Yeah, I like white and I like 4Runners"