The Toyota GZ engine is used as the powerplant for what  large four-door limousine produced mainly for the Japanese market?
Toyota GZ engine The Toyota GZ engine family consists of a single model, the 1GZ-FE. This engine is used as the powerplant for the Japanese market-only Toyota Century limousine from 1997 onward.
Toyota Group The Toyota Group (トヨタグループ , Toyota Gurūpu ) is a group of companies that have supplier, vendor and investment relationships with Toyota Industries and Toyota Motor. It is similar to a "keiretsu" in that no particular entity has outright control over the entire group, although unlike most "keiretsu" it does not contain a major bank.