Kohler, Toto and American Standard are good toilet brands, according to Best Rated Toilets. Roca, Gerber and Astor also produce highly rated toilets and bidets. Top toilets from these manufacturers include the Toto Ultramax, Toto Drake II, Kohler Highline Classic K-3493 and American Standard Champion 4.
The Toto Ultramax is a single-piece elongated toilet with a 3-inch flush valve. This 89-pound model offers commercial flushing power.
The Kohler Highline Classic K-3493 is a two-piece elongated toilet with pressure-assisted flushing. It weighs just over 100 pounds and uses 1.4 gallons of water per flush.
The American Standard Champion 4 is an elongated toilet designed to accommodate 70 percent more waste mass than standard toilets. This toilet uses 1.6 gallons per flush and has a 4-inch flush valve.