Although many of the year’s hottest cars already made their first appearances a few months ago in Frankfurt, a few manufacturers saved some love for the Los Angeles Auto Show with world debuts from Audi, Mercedes-Benz, Lincoln, Porsche, and Range Rover. Conspicuously, Bentley and Lamborghini were missing from the show floor, with their parent company Volkswagen still embroiled in a scandal over its diesel emissions, but there were plenty of other beautiful exotics to admire. Here are the five most exciting world debuts from the We…