Seven different models make up the IS family of compacts. The sedans are available with rear-wheel drive or all-wheel drive, while the convertible coupe sticks to rear-wheel drive only. The IS F Sport sedan stands out with its more aggressive looks and 416 horses. The IS 250’s V6 produces 204 horsepower, while the one in the IS 350 reaches 306 horsepower. IS sedans are capable of accommodating five passengers in the most comfortable of environments, while the convertible will cuddle its four occupants.