Easy to drive and fuel-efficient --- it's little wonder that compact cars are the most booked category of rental vehicle in Montana. And if you're planning to tackle the city streets of Billings or Missoula, you'll be pleased you went for a smaller ride too. Zip past traffic, easily parallel park, and navigate tight one-way lanes --- bigger doesn't always mean better!If hitting the open road and exploring natural gems are your top priority, consider renting a full-size car or an SUV. Montana boasts some striking prairies and mountains, so there are loads of opportunities to get a fix of nature. These roomier vehicles are suited to those who enjoy camping, or for longer trips that call for a more comfortable ride.