| Description | Character |
| A British secret agent car that thinks Mater is a spy | |
| A British secret agent that sets up a rendezvous with Mater | |
| An Italian racecar with open wheels | |
| The inventor of Allinol | |
| An Orange 'lemon' car that helps with the electromagnetic camera | |
| A green 'lemon' car whose primary target is Mater | |
| A small German car that designs weapons | |
| | Description | Character |
| A dark green race announcer who used to be a racecar himself | |
| A dark blue race announcer | |
| Luigi's uncle that lives in Italy | |
| The tow truck that Mater disguises himself as | |
| The old broken-down car that Mater keeps having to tow back to Radiator Springs | |
| The head of the Hugo lemon family who Mater tows in disguise | |
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