Personally, i think the best BUDGET car to pick to do 200mph is.
.
.
.
.
.
The Chevy Corvette 5.7V8.. You can now pick these up for 12k. You get these 400bhp standard and i am guessing they can be turboed, look at the lingerfelter

corvettes. 1300bhp and quarter miles in 9secs flat