The RAM 1500 is a solid and capable work truck, but it needs periodic service and maintenance to stay in top form as with any truck. The RAM 1500 maintenance schedule may vary from the service schedule for other vehicles, however, which means that you'll need to follow the precise schedule for your truck to ensure optimal health. RAM 1500 service intervals start with an oil change around 8,000 miles, which a tire rotation may accompany. The first full service starts at 15,000 miles.