The high-performance Mercedes-Benz G65 AMG G-Wagen will not be accompanying the rest of its Mercedes-Benz G-Class brethren when they enter US territory later in 2012. That’s a bit of a disappointment for the many who want to see the powerhouse on American soil and for the few who could actually afford one.

Specs-wise, the G65 AMG is very much in the neighborhood of the highly-touted Lamborghini Urus super SUV, something the Italian automaker hopes to make into the most powerful production unit in its class. The G65 comes with a 6-liter twin-turbo V12—the same one on the S65 AMG—that allows the tweaked G-Class unit to provide a monstrous 612 horsepower and 738 lb.-ft. of torque.

The price point at which the AMG-tweaked variant is supposed to be at is a bit limiting, however, as its Euro price is going to put it at just a bit over the $500,000 threshold—and who’ll be willing to pay that much even for a powerful beast like the G65?

Don’t worry, though—the cheaper and still quite considerably powerful G63 AMG will be arriving in the US. At around $130,000, it should be more realistically priced. It comes with a 5.5L twin-turbo V8 engine good for 544 horsepower along with 560 lb.-ft. of torque.