It was either taken off the market temporarily or was sold. You can search for all available vehicles here.
Model info:
The NPR Isuzu is a Cab Over Engine or forward control body style a medium duty truck that has a vertical front or flat face, with the cab of the truck sitting above the front axle. It is also known as the Isuzu Elf r the Isuzu N Series. Since the early 1980s, it has also been sold and built under Chevrolet and GMC as a W Series.