Related Clues:

• Prefix with ''political'' or ''logical''
• Ford competitor
• Erstwhile GM division
• Super 88, of the 1950s and '60s
• GM product
• Make no longer made
• Old Prizm automaker
• Earth: Prefix
• Earth-science prefix
• Aurora, e.g.
• Bygone GM line
• Earth opening?
• Political opening
• Former GM make
• Aurora automaker, briefly