Hi Aurangzeb, thanks for writing in. The 1616 BS III is now 1618 BSIV. The 1618 BSIV comes with a more powerful engine, and a more heavy duty gear box, enhancing the overall product performance.
Hello Farheen, for any information regarding our vehicles kindly send us your details by filling out the form given in the link below www.ashokleyland.com/bsiv_iegr/ and our team will get back to you at the soonest. Thank you