How much does a mountain bike cost?
for a serious mountain bike, NOT one you can find at walmart or such a place. anywhere from $500 to over $10,000 USD.
a dirt bike has a motor mountain biking is arguably more "connected" to the trail and nature. it can also require much more excercise. a mountain bike is much lighter, and has less suspension travel dirt bikes are also more expensive, and require fuel decent dirt bike price= very good mountain bike price