Carbike360 comprehensive Maruti Fronx Sigma 1.2L MT and Mahindra Thar Roxx MX1 Petrol MT 2WD comparison based on the price, specification, fuel efficiency, features and more. Maruti Fronx Sigma 1.2L MT comes with a price of ₹7.52 Lakh and Mahindra Thar Roxx MX1 Petrol MT 2WD is priced at ₹12.99 Lakh. Maruti Fronx Sigma 1.2L MT equipped with 1197 cc, 4 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Mahindra Thar Roxx MX1 Petrol MT 2WD has1997 cc, 4 Cylinders Inline, 4 Valves/Cylinder, DOHC