Interestingly, the Chevy Avalanche also offered a sort of “hybrid” off-road / on-road package, also known as the Z66 package. While many enthusiasts are familiar with the Z71 Off-Road Package ...

Rather than being purely cosmetic, the Z71 package will add a host of real mechanical upgrades to the Suburban, Silverado and Avalanche. Of course, Chevy is still making sure its big SUV and ...

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This is a highly desirable spec of the Chevy Avalanche. In addition to the Z71 Off-Road Package, it had the optional front bucket seats with leather seat inserts, an in-dash 6-disc CD changer ...

The Avalanche, Tahoe and Suburban are available with a Z71 package that adds ... To that end, Chevy adds the Skid Plate Package, oversized wheel arch flares, tubular assist steps, extra bits ...

Chevy kept the Avalanche lineup simple, adding and subtracting packages through this generation's five-year life cycle. The Z66 On-Road package included upgraded suspension, while the Z71 Off-Road ...

Over time, Z71 has represented both an optional suspension package available across various trim levels as well as being its own unique trim level. In the case of late-model Chevy Tahoe and ...