About the NISMO R34 GT-R Z-tune The NISMO team took 20 prime-condition Nissan Skyline GT-R (R34) and hand-built them into a totally customized supercar, the Z-tune. Unveiled at the 2005 Tokyo Auto Salon, the Z-tune features major upgrades to internal mechanics including the souped-up 2.8L twin turbo engine with 500hp output, Sachs special suspension system, brakes jointly designed with engineers from Brembo, and lightweight carbon body. Full of racing-spec parts while featuring excellent power and handling, the Z-tune has been called the ultimate road-going car, combining luxury with superior performance.