Historical clue formulations

• Cars known as Vauxhalls in the U.K. — 2024-12-13
• Some German cars — 2023-04-25
• Some German autos — 2019-07-24
• German cars with a lightning bolt logo — 2018-01-29
• Autobahn autos — 2017-11-05
• Some German cars — 2014-01-05
• Some German models — 2012-05-05
• Astra and Antara — 2010-02-05
• Some German autos — 2006-11-28
• They're called Vauxhalls in the U.K. — 2004-10-23
• Omegas and Vectras — 2001-11-02
• European cars — 1997-05-02
• Foreign-made General Motors cars — 1996-12-16
• European autos — 1996-03-18
• Some General Motors cars — 1993-11-25