The 2006 Toyota Sienna is equipped with a 3.3-liter V6 engine (3MZ-FE) that produces 230 horsepower and 242 lb-ft of torque. This naturally aspirated engine features dual overhead cams, variable valve timing (VVT-i), and electronic fuel injection. The engine is paired with a 5-speed automatic transmission and is available in both front-wheel drive and all-wheel drive configurations. This powerplant provides adequate acceleration for a minivan while maintaining reasonable fuel economy of approximately 19 mpg city and 26 mpg highway in FWD models.

The 2006 Toyota Sienna shares most major components with the 2004-2010 second-generation Sienna models. The 3.3L engine and transmission are interchangeable across all these years. Body panels, interior components, and electrical parts are generally compatible from 2004-2010, though minor trim differences may exist. The 2007-2010 models received a mid-cycle refresh with updated front and rear styling, so some exterior trim pieces may not be direct fits. Suspension components, brakes, and drivetrain parts maintain excellent compatibility throughout the entire second generation run.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The 3.3L V6 engine in the 2006 Sienna is generally reliable and can easily exceed 200,000 miles with proper maintenance. The engine features a timing chain rather than a belt, eliminating the need for expensive timing belt replacements. Common maintenance items include regular oil changes every 5,000 miles, coolant flushes every 100,000 miles, and spark plug replacement every 60,000 miles. The engine is not prone to major internal failures, though valve cover gaskets may develop minor leaks after 150,000 miles. Overall, this powerplant represents Toyota’s solid engineering and provides dependable service when maintained properly.