Rubuta ci gaba don wannan sakin layi - Aikace-aikacen na gaba na gaba-wheel drive shi ne supercharged &lt;a href="Alvis%2012/50"&gt; Alvis 12/50&lt;/a&gt; tseren mota da George Thomas Smith-Clarke da William M. Dunn na Alvis Cars na United Kingdom suka tsara. An shigar da wannan motar a cikin 1925 Kop Hill Climb a Princes Risborough a Buckinghamshire a ranar 28 ga Maris, 1925. Harry Arminius Miller na Menomonie, Wisconsin ya tsara motar tseren Miller 122 da ke gaban motar da aka shiga cikin 1925 Indianapolis 500
, wanda aka gudanar a Indianapolis Motor Speedway a ranar Asabar, Mayu 30, 1925.