Toyota Avalon is a large E-Class car (according to the European classification). It was developed in 1994, and since then four generations has succeeded one another. For Avalon the platform Toyota K was used. It is also known on such cars as Camry, Venza, Sienna, Lexus ES/RX and others. In Toyota model range, Avalon is situated between Toyota Camry and large Toyota Crown. In the North America Avalon is the flagship car of Toyota. Its competitors are Ford Taurus/Falcon, Chrysler 300, Lincoln MKZ, Dodge Charger, Nissan Maxima, Hyundai Genesis, Acura TL, Kia Cadenza, Renault Latitude and other full-size cars.
Toyota Avalon engines are not that various. Mainly they are V6. The first versions of such engines were 3-liter 1MZ-FE, while the recent models were equipped with 3,5-liter 2GR-FE. Along with that, for the fourth generation 2.5L straight 4 cylinder engine 2AR was produced also. It was meant for Toyota Avalon Hybrid.
You can click on your Toyota model and know everything about Avalon engines. On WikiMotors there is information about all the necessary specs, problems (noise, knocking, misfire, oil leaking), shortcomings and repair, service life, oil for Toyota Avalon engine, oil capacity, etc.