According to the Insurance Institute of Highway Safety, Toyota Sienna has the highest minivan safety ratings for 2011. The rating is done based on how the cars perform in crash tests. The second best car is the 2010 Dodge Grand Caravan, which also bagged good ratings. The 2010 Honda Odyssey ranked third for its performance during front, side and rear crash tests. The 2010 Kia Sedona is in fourth place with its good quality airbags. The fifth one is the 2010 Volkswagen Routan, which also received good ratings. When you are going to buy your next minivan, use this as a guide to select the safest car for your family and budget.