The cars that belong to the low insurance group cars in the cars insurance groups table are best for the teenagers because the teenagers get very aggressive while driving and such drivers are more vulnerable to accidents than others. Besides being less risky, the insurance that is charged on these cars is much lower than of the cars that belong to the higher groups in the table. The teenagers can afford the insurance cost that they are charged if they buy the car that belongs to the lower insurance group cars. The insurance groups table usually serves as a guideline for the car insurance companies as they determine their insurance premiums after reviewing the table. The cars are classified into various groups on the basis of many factors such as the value of the new cars, the security features, number of times the cars can get repaired, the cost of the damaged parts and the availability of the spare parts and etc. Hence, the cars that are in the lower groups of the table are the ideal choice for the teenagers.