List of bus routes in San Diego Current bus fleet roster Current bus fleet roster

| Order_Year | Fleet_Series_Qty_ | Manufacturer | Model | Powertrain_Engine_Transmission | Fuel_or_Propulsion | Division |
|---|---|---|---|---|---|---|
| 2000 | 1601-1631 (31) | New Flyer | C40LF | Cummins Westport C-Gas Plus Allison WB-400R | CNG | IAD |
| 2000 | 2201-2212, 2501-2512 (24) | New Flyer | C40LF | Cummins Westport C-Gas Plus Allison WB-400R | CNG | SBD |
| 2001 | 1801-1873 73 | New Flyer | C40LF | Cummins Westport C-Gas Plus Allison WB-400R | CNG | KMD: 1801-1841 IAD: 1843-1871 |
| 2001 | 1901-1913 (13) | New Flyer | D60LF | Detroit Diesel Series 50EGR Allison WB-400R | Diesel | KMD |
| 2001 | 8101-8133 (33) | New Flyer | D40LF | Detroit Diesel Series 50 Allison WB-400R | Diesel | ECD |
| 2005 | 401-407 (7) | New Flyer | C40LF | Cummins Westport C-Gas Plus ZF 6HP | CNG | KMD |