The engine options on this vehicle have included an Inline 6 (I6), a V8, and a Displacement on Demand V8.
The larger Ascender has been dropped following the 2007 model year.
So far, only 4 speed automatic transmissions have been offered with the Ascender.
The Ascender is made in the United States in Ohio and Oklahoma.
There are a limited number of these vehicles showing up on the used car market. They are all fairly new, since even the oldest models are just 4 or 5 years old. You can sometimes find them listed on eBay, and at very reasonable prices.