The Weber Genesis E-310 is one of the few color grills in the Weber Genesis series. This is a gas grill series, with grills that are perfect for large backyard cookouts. The E-310 is one of the two Genesis E models, and it has 3 stainless steel burners. It also has 42,000 BTU per-hour input, an Electronic Crossover® ignition system, porcelain-enameled cast-iron cooking grates, porcelain-enameled Flavorizer® bars, and other terrific features. . The E-310 comes in black, copper, and green. The NP grills only come in black.