10. Opel Zafira OPC Prototype (1999-2002)
During development of the first-generation Zafira OPC, Opel enlisted Porsche for prototype-stage engineering insights. Porsche specialists assessed the Zafira’s MacPherson-strut front suspension and twist-beam rear setup, advising on stiffer anti-roll bars, revised damper valving, and reinforced subframes for sportier handling.
They also provided early calibration for the 2.0 liter turbocharged C18XE engine, refining boost response and fueling curves for a sharper torque band. Although Opel finalized production OPC tuning in Rüsselsheim, Porsche’s early contributions shaped the MPV’s unexpected agility and stability. The resulting Zafira OPC delivered surprising fun from a family-oriented vehicle, thanks to Porsche’s stealthy suspension know-how.