here's my guestimate for our company (a telco):

staff / engineers: 9-20K
supervisors / officers: 20-35K
managers: 30-80K [service vehicle: 1.3L]
executives (avp to svp): 80-300K [service vehicle: avp, 1.3L; vp, 1.6L; svp, compact SUV]
ceo/cfo: 500K [2M+ vehicle]