Historical clue formulations

• i5 and X5 — 2025-02-23
• X1, X3, X5 and X7 — 2024-11-14
• Big competitors in European auto racing — 2022-11-26
• M3, X3 and 3 Series, for three — 2022-08-11
• German luxury cars — 2022-08-01
• X1, M2 and i3 — 2022-02-16
• German luxury cars — 2022-02-08
• Z4 and i3 — 2020-02-28
• Some expensive imports — 2019-10-26
• German autos — 2016-09-27
• Rivals of Audis — 2015-04-13
• 6 Series cars — 2014-03-20
• Gran Turismos and others — 2013-11-24
• 507s of the '50s, e.g. — 2011-04-16
• Upscale autos — 2008-10-07
• Jaguar alternatives — 2008-01-27
• Mercedes competitors — 2005-06-20
• Some luxury cars — 2004-06-21
• Autobahn autos — 2002-11-20
• Autobahn sights — 2002-11-13