10 of 4,352 chassis match · showing 1–10 · sort: Highest price · Oldest first · Clear filters

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  1955 Mercedes-Benz 300 SLR 'Uhlenhaut Coupé'

  196.110-00008/55prototypeGermany

  3.0L front-mounted straight-eight with twin side-exit exhausts

  Sold €135,000,000 (≈ $148.5M) · RM Sotheby's
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  1972 Porsche 911 Carrera RS 2.7 pre-production prototype

  9113600012prototypeGermany

  2.7L flat-six

  Signal Yellow

  Sold US$1,325,000 · RM Sotheby's
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  1964 Porsche 901 Cabriolet prototype

  13360prototypeGermany

  2.0L air-cooled flat-six, SOHC, Solex carburettors, 130 bhp

  Signal Red

  Sold €649,600 (≈ $715K) · RM Sotheby's
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  1972 Porsche 911 Carrera RS 2.7 development prototype

  9112301609prototypeGermany

  2.7L flat-six with Bosch mechanical fuel injection, ~210 bhp (prototype unit)

  Fluorescent yellow

  Estimate US$700,000 – US$900,000 · RM Sotheby's
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  1954 Porsche Type 597 Jagdwagen

  597/0005prototypeGermany

  1.5L air-cooled flat-four, four-speed manual, derived from 356 with reliability-focused tuning

  Olive green

  Sold US$665,000 · RM Sotheby's
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  1957 Aston Martin DP114/2 prototype (DB Mark III successor development car)

  DP114/2prototypeUnited Kingdom

  Inline-six, essentially Mark III specification with modified hypoid differential and bespoke exhaust

  Almond Green (previously white with blue roof)

  Sold £421,250 (≈ $527K) · RM Sotheby's
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  1975 Porsche 911 Turbo Carrera (Type 930) pre-production prototype

  9306800014prototypeGermany

  3.0L air-cooled flat-six, single turbo, Bosch K-Jetronic fuel injection, 234 bhp

  Oak Green Metallic

  Sold US$341,000 · RM Sotheby's
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  1965 Porsche 911 2.0 Coupé

  300474prototypeGermany

  1,991cc air-cooled flat-six, single overhead camshaft, 130 bhp

  Bali Blue

  Sold £265,000 (≈ $331K) · 2023-12-15 · Bonhams
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  1969 Porsche 911S Coupé

  119301099prototypeGermany

  2.2L flat-six, fuel-injected, Type 911/02

  Tangerine (code 6809 'Blutorange')

  Estimate €250,000 – €350,000 · RM Sotheby's
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  1963 Mercedes-Benz 230 SL 'Pagoda' W113 development car

  113.042.10.000009prototypeGermany

  Orange Metallic with black hardtop

  Sold €220,000 (≈ $242K) · RM Sotheby's