@maverickkk
yarr my car is on petrol infact i have using it from last two months and never used on super always on hi-octane
never noticed milage but uses one full tank for one week which costs me around 2000 or 1900 for hi-octane
all filters are available at toyota walton motors
oil filter - 700rs ( its like the mercedes one only element no steel coated so forget that it will leak )
air filter - 850rs
i use toyota genuin oil (TMO)
I AVE NOT FACED ANY PROBLEM YET INFACT I M VERY VERY HAPPY AND SATISFIED WITH MY VITZ IF U WANT TO C MY CAR DO TELL ME AND I LL BE AT UR SERVICE