Lack of Diesel variant has massively effected the sale figures of Honda City. Though Honda City Diesel is due sometime next year (2013), Honda may intermittently offer a CNG variant around diwali to boost sales. The car will be powered by 1.5 Litre, four cylinder i-VTEC produces 100 Bhp power and 127 Nm of torque.slightly lower than the current petrol only variant. Rear suspension will be beefed to handle the extra weight of CNG tank. City CNG will cost around Rs. 50,000 - Rs. 80,000 more than City petrol.