For Tiago CNG, you will have to spend Rs. 6,09,900 for the base variant. It comes in 4 variants: XE, XM, XT, and XZ+. The top-spec XZ+ variant will cost you Rs. 7,52,900.
For Tigor CNG, the starting price is Rs. 7,69,900. It is being offered in two variants only, namely, XZ and XZ+. The top-spec XZ+ variant will cost you Rs. 8,29,900.