Royal Enfield Thunderbird 500 - Road Test | MotorBeambr br tests the new Royal Enfield Thunderbird 500 motorcycle. The new Thunderbird 500 is the most modern Royal Enfield motorcycle on sale in India today. The new Thunderbird 500 is powered by a 499cc, single-cylinder engine which produces 27.2 BHP of power and 41.3 Nm of torque. This bike returns a mileage of 30 kml in normal riding conditions, which can drop to 26 kml when ridden with enthusiasm. The Thunderbird 500 weighs 195 kgs and has a 20-litre fuel tank which make it very practical for touring. Royal Enfield has given the Thunderbird 500 a lot of modern equipment like a digital odometer, tachometer, LED tail light and projector headlight. The Royal Enfield Thunderbird 500 is priced at Rs. 1.83 lakhs in Mumbai.