3 of 4,352 chassis match · showing 1–3 · sort: Highest price · Oldest first · Clear filters

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  1933 Marmon HCM

  DD609prototypeUnited States

  6.0L (368 cu in) overhead-valve aluminum V-12, 151 bhp at 3,700 rpm

  Light tan

  Sold US$429,000 · RM Sotheby's
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  1936 Pierce-Arrow Twelve Town Car Prototype (Derham coachwork)

  3150069prototypeUnited States

  7.6L (462 cu in) L-head V12, three-speed manual with overdrive

  Dark blue with silver accents

  Sold US$187,000 · RM Sotheby's
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  1938 H.R.G. Airline Coupé (factory one-off prototype coupé)

  WT68prototypeUnited Kingdom

  1.5L OHV inline-four, 55 bhp, sourced from Triumph Gloria

  Sold US$176,000 · RM Sotheby's