Jalopnik (Enlarge photo)

23/08/2008 07:08. According to KGP, this is a prototype of the 2010 Toyota Sienna . We’re actually really thankful for this information, because we don't know much about the Sienna except that it’s Toyota's long-running entry in the minivan market and that it's scheduled to be replaced with an equally unexciting but slightly different model. Actually, we’ll just let you read KGP’s analysis for the full story on the upcoming people-hauler. Hit the jump for the full story.

We caught this disguised Toyota Sienna prototype testing in the desert. The prototype appears to utilize most of the current Sienna's bodywork, so we initially thought it was facelift of the current Sienna. But there are some very rough sections... // Jalopnik