The Fronx comes with two engine choices: a 1.2-litre, four-cylinder petrol engine that produces 90 bhp and delivers a torque of 113 Nm and a 1.0-litre three-cylinder turbo-petrol that produces 100 bhp and has 147 Nm of torque. A five-speed gearbox comes as standard, with the naturally aspirated petrol engine also getting an AMT option. The turbo-petrol gets a torque converter automatic option as well. The base variants, Sigma and Delta trim, come with a CNG kit as well.