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What kind of engine does a 2004 Toyota Sienna have?

The 2004 Toyota Sienna uses a 3.3-liter V6 engine (code 3MZ-FE) paired with a four-speed automatic transmission. This setup was standard for the model year in most markets.


Engine Overview


The 2004 Sienna is powered by a 3.3-liter V6 engine, designated 3MZ-FE, paired with a four-speed automatic transmission. This combination was widely used in the second-generation Sienna and aimed to balance sufficient power with practical fuel efficiency for family use.


Details below describe the engine’s displacement, configuration, and typical output.



    Displacement and configuration provide the core characteristics of the engine.


  • Displacement: 3.3 liters

  • Engine configuration: V6, 24-valve DOHC

  • Engine code: 3MZ-FE

  • Power output: roughly 210–230 horsepower depending on market and emission controls

  • Torque: approximately 220–240 lb-ft

  • Fuel system: electronic fuel injection

  • Transmission: 4-speed automatic transmission


Concluding note: The 3.3L V6 (3MZ-FE) provided a reliable powerplant for the Sienna, aligning with its role as a family-minded minivan that favors smoothness and steady performance over top-end speed.


Performance context


With a focus on comfort and everyday practicality, the 3.3-liter V6 offered sufficient acceleration for highway driving and merging, while the four-speed automatic was tuned for smooth shifts and predictable fuel economy in city and highway conditions.


Summary


For the 2004 Toyota Sienna, the engine is a 3.3-liter V6 (3MZ-FE) paired with a four-speed automatic transmission, delivering dependable performance suitable for family transportation and daily errands.

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Kevin Bennett

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Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.