The Royal Enfield Guerrilla 450 is a new model that has been released, with several outlets publishing reviews and comparisons with other bikes. The bike is being compared to other models such as the KTM 390 Adventure R, Triumph Tracker 400, and Royal Enfield's own Himalayan 450. It appears that the Guerrilla 450 is part of a larger lineup of new Royal Enfield bikes, with more models expected to be released in the coming years.