The downsizing trend has finally hit Isuzu. Known for their relaxed, high-displacement diesel engines, Isuzu has been a hold out in this global trend. Alas, the reign of its 2.5-liter 4JK-1 is finally over and in its place comes the 1.9-liter RZ4E. Naturally, opting for such a small engine—one that displaces a mere 1,898 cc—presents certain challenges, the biggest of which concerns power-hungry Filipinos. Will it have enough grunt to satisfy your need for speed; let alone carry the mu-X’s rather hefty frame? A two-week drive beckons to answer those questions.
