Lexus IS sedans and convertibles are quick; stylish rear-wheel-drive cars that combine sharp handling with luxury performance features. Trim; sleek and relatively light; they offer paddle-shift transmissions; good brakes and; in the IS 350; 0-60 mph acceleration as quick as 5.3 seconds. They are designed to offer comparable style and performance features as the BMW 3 Series cars and Mercedes CLK 350; but at lower prices.The Lexus IS models come in four-door sedan and two-door hardtop convertible versions and with a choice of engines ranging from sensible to sporty to almost raceworthy.A broad range of engines; transmissions and drive systems are available in the IS line. The 306-horsepower IS 350 is the performance leader of the group; but the entry-level IS 250 offers all-wheel drive; a manual transmission; and class-leading fuel mileage. For the most involved driver; there is the captivating IS F; which boasts a top speed of 170 mph and is powered by a 416-horsepower 5.0-liter V8. The IS F can compete with the BMW M3.The Lexus IS 250 C and IS 350 C are true convertibles; converting from top-down roadster to hardtop coupe with the press of a button.The Lexus IS sedan is comfortable for two and can seat five; but it`s not a family car like the Lexus ES 300. The back seat is not commodious; with rear legroom at a premium; though there is a car seat anchor for the little ones. LEXCHATT