HUMMER IS STILL COMMITTED TO EVERY TERRAIN JUST AS IT IS COMMITTED TO YOU. HUMMER WARRANTY Committed to honour the HUMMER Bumper-to-Bumper warranty (4 years/100.000 KM) for existing and new customers in the Middle East. HUMMER DEALERS Committed  to honour continued service and spare parts provision for the next 9 years and help you purchase your next GM vehicles.