2003 HUMMER - Imported 2005. The 2003 Hummer H2 is a massive, full-size off-road SUV. The 2003 model year was the very first official release of the H2 line. It combined an iconic, unmistakable boxy military aesthetic with the underlying frame and comfort features of GM’s heavy-duty pickup trucks. Service history: Most recent invoice October 2025 included: spark plugs, tensioner and a battery. Folder of invoices for parts showing its been self maintained and some service invoices. V5 Present.