IF proof of Hyundai's relentless push away from its old cheap-and-cheerful past is needed, here it is: the Santa Fe CRDi – a turbo-diesel SUV with a powerplant that is brimming with advanced materials and high-tech engineering, that delivers class-leading economy and emissions while easily outstripping its V6 petrol brethren for driver enjoyment. But will Australians care how advanced a Hyundai is, especially when the South Koreans are charging a hefty premium for the CRDi experience?