As of June 2015, user reviews for Broil King Signet gas grills are available online at Lowes.com and Amazon.com. About.com also features a review for the Broil King Imperial gas grill.
In addition to reviews, Lowe's and Amazon.com offer user ratings based on a five-star scale. At Lowe's, the Broil King Signet liquid propane gas grill with three 40,000 BTU burners averages 4.6 stars. Positive reviews state that it is made in North America, has easy-to-regulate knobs and is reasonably priced. Less enthusiastic reviewers complain that the grill heats up and cooks too slowly, is made of poor quality materials and does not cook evenly.
Amazon.com's reviews for the Broil King Signet 90 gas grill average four stars. The grill has a side burner and rear rotisserie. Five-star reviews say that the Broil King grill is durable, has an excellent warranty and is easy to assemble. Negative comments mention cheap components, poorly drilled screw holes and parts that rust easily.
At About.com, the Broil King Imperial 490 Gas Grill earns 4 1/2 stars out of five stars from the expert reviewer. The grill is made from stainless steel, steel sheet metal and cast aluminum. The reviewer appreciates its solid construction, large storage area, even heating and sturdy cooking grates. However, the side burner is not very powerful.