A motorcycle is a vehicle that has two or three wheels on it. Harley Davidson and Honda are two popular types of motorcycles. One of the key differences between them is the origin of the country for motorcycles. Harley Davidson is a brand based out of America. Honda motorcycle is a brand based out of Japan. Another difference between the two brands is that Honda is more advanced when it comes to technology. They are faster to implement newer types of technology and skills than Harley Davidson is. Along with that, Honda differs because it doesn't use as much gas.