After previously owning a 2008 Cadillac STS with the 4.6 liter, I have to say that the 3.0 liter engine performs extremely well given the size and weight of the SRX. Ride and quality are second to none. At this price point, the SRX offers more amenities than many other sport utilities in the same price range.
I would like to see a 3.6 liter or larger DI engine offered as an option on front-wheel drive models. The 3.0 liter, because of its small displacement lacks low-end torque.