It came with variety of engines. Depends which engine you got, but simple answer is 'fast enough to lose your license'.
forward or reverse?
The Mazda Furai top speed is 160 mph and 260km/h
Fast!
on fast and the furious Tokyo drift,Han was driving the Mazda rx7.
No.
quick, stock mazdaspeed is 13.7 1/4 mile with good driver.
The Mazda CX9 can go very fast! The top speed of the Mazda CX9 is 121 miles per hour. When converted to kilometers per hour, that is 195 kilometers per hour.
bad knock sensor
Yes, you can go to Mazda and they should be able to get the part in for you.
210 mph
Mazda 3 exists. Mazda 4 doesn't. Did you mean Mazda 5? The difference between the Mazda 3 and the Mazda 4 is that the Mazda 3 is a compact car manufactered by Mazda. It was introduced in 2004. The biggest difference between the two, is that the Mazda 4, doesn't exist.