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Based in the heart of the Cotswolds, William I’Anson Ltd is dedicated to being a one stop shop for the classic vehicle collector, racer and passionate enthusiast alike. In a world that relies upon trust and relationships, William I’Anson Ltd takes pride in offering a professional, enthusiastic, and friendly service allowing our clients complete freedom to enjoy these fabulous cars. With a lifelong background in collectors classic cars, historic motorsport, and a strong family heritage in the Bugatti world, William I’Anson Ltd has amassed an in depth knowledge of the cars, the market and most importantly, an extensive network of contacts, clients and experts around the globe.

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Latest Stock

  • The Multiple Le Mans 24 Hours, Daytona 24 Hours and Sebring 12 Hours 1976 Porsche 934 Turbo RSR to 934 M16/K3

    The Multiple Le Mans 24 Hours, Daytona 24 Hours and Sebring 12 Hours 1976 Porsche 934 Turbo RSR to 934 M16/K3

    One of just 31 Porsche 934s, ordered by George Loos, and delivered to Claude Haldi. Campaigned over three seasons in the World Championship, the European Hillclimb Championship and DRM, sharing with drivers including Joest, and taking Group 4 victories at the Zeltweg 6H, Nurburgring 1000km and Brands Hatch 6H. Bought by ‘Jamsal’ in El Salvador, upgraded to 935, and driven by Don Whittington to clinch the 1979 Drivers' World Championship.

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  • The Ex - Graham Hill, Prototype, 1.5 Litre V8 Formula 1 1964 BRM P261

    The Ex - Graham Hill, Prototype, 1.5 Litre V8 Formula 1 1964 BRM P261

    The prototype chassis of the iconic BRM P261 model. Used for extensive pre-season testing by Graham Hill, and raced by Hill in the Daily Mirror Trophy at Snetterton in April 1964, where he qualified 2nd and led the wet race ahead of Jim Clark’s Lotus 25. Along with the Lotus 25 and Ferrari 1512, the stunning BRM P261 represents the pinnacle of Formula 1 design of the exotic 1.5-litre era.

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  • The Ex - Count Czaykowski, René Dreyfus, Aubrey Esson-Scott, Monaco Grand Prix, Brooklands 1931 Bugatti Type 51

    The Ex - Count Czaykowski, René Dreyfus, Aubrey Esson-Scott, Monaco Grand Prix, Brooklands 1931 Bugatti Type 51

    One of the best Type 51 Grand Prix Bugatti left in existence, 51126. Sold new to and raced by highly regarded Bugatti racer Count Stanislaus Czaykowski in April 1931. The first Type 51 to be delivered to a private driver on the continent. Czaykowski drove 51126 to victory in the Grand Prix de Casablanca, and René Dreyfus drove the car to outright victory in the Grand Prix de Brignoles. 51126 has remained in its current ownership since 1960.

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  • The Ex – Mario & Michael Andretti, Jan Lammers, Derek Warwick, Multiple Le Mans 24 Hours 1993 Courage – Porsche C30 LM Group C

    The Ex – Mario & Michael Andretti, Jan Lammers, Derek Warwick, Multiple Le Mans 24 Hours 1993 Courage – Porsche C30 LM Group C

    Raced in the Le Mans 24 Hours a staggering four times, both as a competitive Group C and LMP1 spider powered by the Porsche 962 twin turbo engine. Finishing on all but one occasion, chassis 10 was retained by Yves Courage for 25 years and is now in its first private ownership. Recently rebuilt by Courage Classic back to 1993 specification. A superb contender for historic Group C racing, or perhaps LMP1 class with the accompanying bodywork.

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  • BRM P25 Formula 1

    BRM P25 Formula 1

    Officially blessed by BRM and parent company Rubery Owen, the reconstruction of BRM’s iconic P25 front engine Grand Prix car was started in the 1960s, built using a combination of original parts and parts supplied by BRM, with chassis work and assembly by the original BRM staff in Bourne, the home of BRM. A very competitive, and in the right hands potentially race winning, front engined Grand Prix car.

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