This again is a great set of pictures. The first three are my favorite in this case, though I usually prefer pics with motion.
You really show off the rims in the first, which look great on the white car. I have red 5 spokes on my white Spirit R.

The lense really distorted the car at the ends, which is nifty looking. The Rex's body has a weird porcelain look to it but I like that also for some reason.
The second has a great composition, as alexwrc said. This picture has thos geometric shapes that I enjoy in the building structure. I like those shapes a lot. Reminds me of drafting in high school. Good times. The car looks long and sleek because its lines are following those of the building. The reflections on the car have good positions and brightness. I love the look of the floor, and the triangle made by the light.
Three is my favorite I think. I really like the angle. That combined with the color give the pic a really relaxed and soft, smooth look. The geometric lines are there again and looking awesome, especially when you contrast them against the curved car.
The fourth is by no means rusty. The look is fantastic. In fact I decided I like this one better than #1. The motion, as usual, is appreciated. I'll slo say the composition of this a great and interesting, and the background is fun and busy, though not intrusive. The car really stands out just perfect because of the reflections on the hood and inside the grilles.
I think taking a break from snapping pics has made you better in some ways, That happens to a lot of artists, and its actually advised if your work starts getting lackluster. These shots have benefitted from you vacation I think. I don't remember applauding your composition so much before, but the new STi and this update are both compostion-intensice. They are rough, sure, but I think the compostion is much more important. If you put everything in the right spot you can intentionally give the pick terribel quality, but it will still please the eye. And all from the lines and shapes percieved from objects' relationships with other objects.
Good job.