Toyota Sienna is a large minivan, which was produced in 1997 for the North American countries. It was developed on the platform Toyota K, known on such models as Camry, Highlander, Avalon, Venza, Lexus ES and other popular autos. In the Toyota production range of the minivans, Sienna is situated between the middle-sized Previa and the large HiAce. Its main competitors and analogs are Chrysler Voyager/Town & Country, Dodge Caravan, Volkswagen California, Kia Carnival/Sedona, Hyundai Starex and other cars of the similar size.
The first generation of Sienna engines were 3-liter V6 1MZ. Later their displacement increased to 3.3-liter for 3MZ series and to 3.5-liter for 2GR. The third version of the minivan still uses 3.5-liter V6 2GR-FE, but also a the more simple engine 2.7-liter 1AR has become accessible. No diesel engines has been used for Toyota Sienna ever.
You can learn some more exact information on the details and description of each Sienna engine, having chosen your model below. From the available information there you will know the specs, possible problems and malfunctions of the engines, repair, performance tuning, lifespan. And also the necessary information about the engine oil: its capacity, type, change intervals, consumption and a lot of other things.