17 of 4,352 chassis match · showing 1–17 · sort: Highest price · Oldest first · Clear filters

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  1964 Ford GT40 Roadster Prototype (GT/108)

  GT/108prototypeUnited Kingdom

  289 cu in (approx. 4.7L) V8, Ford Cobra specification

  White with matte black nose and hood (at various stages)

  Sold US$7,650,000 · 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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  1960 Chevrolet CERV I

  P-2152prototypeUnited States

  377 cu in (approx. 6.2L) OHV aluminum V8, Hilborn fuel-injected, Alcoa-cast

  Estimate US$1,300,000 – US$2,000,000 · RM Sotheby's
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  1968 Maserati Ghibli Spyder prototype

  AM115/S 1001prototypeItaly

  4.7L V8 dry-sump, 310 hp, Weber carburetors, with twin-spark-ready cylinder heads

  Giallo (yellow)

  Sold US$990,000 · 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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  1967 Maserati Mexico Frua Prototype (AM112 001)

  AM112 001prototypeItaly

  4.2L V8 DOHC, four Weber 38 DCNL5 carburetors, ~255 bhp

  Amaranto (dark red)

  Sold US$346,500 · 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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  1967 Jaguar E-Type 2+2 'Pirana' by Bertone

  1E 50950prototypeUnited Kingdom

  4.2L inline-six

  Silver

  Sold US$324,000 · RM Sotheby's
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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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  1970 Iso Grifo GL Series II (IR8)

  GL 050336prototypeItaly

  Chevrolet 350 cubic inch V8, paired with five-speed ZF gearbox

  Polo White

  Sold US$264,000 · RM Sotheby's
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  1963 Maserati Mistral Coupé

  AM101 960prototypeItaly

  3.5L DOHC inline-six, triple Weber 42DCOE carburettors, 235 bhp

  Estimate £195,000 – £235,000 · 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
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  1974 Abarth SE 027

  SE027-001prototypeItaly

  1,986cc DOHC 16-valve inline-four with Lucas indirect fuel injection, 280 bhp at 9,000 rpm

  Sold £168,000 (≈ $210K) · RM Sotheby's
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  1969 Lancia HF Competizione (Ghia-bodied, on Fulvia chassis)

  818.540 002279prototypeItaly

  1.6L V4

  Estimate £140,000 – £180,000 · RM Sotheby's
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  1969 Adams Brothers M-505 Probe 16

  AB/3prototypeUnited Kingdom

  1.8L OHV inline-four, JanSpeed-tuned, ~100 bhp at 5,500 rpm

  Sold US$165,000 · 2020-08-14 · Bonhams