If you haven’t heard, Flat Out Autos is working on building a GMC Jimmy, and it’s quite an exciting vehicle that will undoubtedly be fun to own. The vehicle will be officially unveiled at SEMA and will go into production in January. But that doesn’t mean we won’t be stuck with the same rendering until the event in November. Oscar Vargas on Instagram posted some additional renderings and a picture of the first truck build in progress. Flat Out Autos also posted on their Instagram and stated that all bodywork and mechanicals had been completed. They will now begin working on fabricating the remo…