2004-2006 Toyota Sienna 4WD 3.3L

Overview

The second-generation Toyota Sienna, introduced for the 2004 model year, represented a significant expansion in size and capability for Toyota’s minivan offering. Built on the K platform, which it shared with the contemporary Camry and Highlander, this generation was designed specifically for the North American market. It was the first Sienna to be manufactured at the Toyota Motor Manufacturing Indiana plant in Princeton, Indiana, reflecting a strategy to localize production to better meet the demands of American families.

Engineering efforts for this generation focused on interior volume, refinement, and the introduction of all-wheel drive (AWD) to the lineup. The 3.3-liter 3MZ-FE V6 engine became the standard powerplant, providing a balance of power and efficiency that allowed the vehicle to compete directly with the segment-leading Honda Odyssey. The availability of an AWD system, paired with run-flat tires, positioned the Sienna as a versatile choice for buyers in regions with inclement weather, a feature that remained a signature differentiator for the model for years.

Throughout its production run from 2004 to 2006, the Sienna maintained a reputation for high build quality and interior versatility, featuring a “fold-flat” third-row seat and multiple seating configurations. The vehicle’s success solidified Toyota’s standing in the minivan segment, establishing a legacy of reliability that influenced the development of subsequent generations. By the end of this specific model cycle, the Sienna had become a staple of suburban transportation, recognized for its quiet cabin, smooth powertrain, and high resale value.

Vehicle Overview
Brand	Toyota
Model	Sienna 4WD
Model Year	2004-2006
Generation	XL20
Trim	LE, XLE, XLE Limited
Body Style	Minivan
Vehicle Segment	Full-size Minivan
Vehicle Class	Minivan – 4WD
Market	USA
Platform	Toyota K platform
Assembly Plant	Princeton, Indiana, USA
Country of Origin	USA
Production Start	2003
Production End	2006
VIN Identifier	5TD
Base MSRP	$23,455
Destination Charge	$565
Total MSRP	–
Powertrain
Powertrain Type	Internal Combustion
Engine Family	Toyota MZ engine
Engine Name	3MZ-FE
Engine Code	3MZ-FE
Engine Configuration	V6
Displacement	3.3 Liters
Bore x Stroke	92.0 mm x 83.0 mm
Compression Ratio	10.8:1
Aspiration	Naturally Aspirated
Fuel Delivery	Electronic Fuel Injection
Valve Train	DOHC 24-valve VVT-i
Engine Block Material	Aluminum Alloy
Cylinder Head Material	Aluminum Alloy
Oil Capacity	5.0 qt
Oil Specification / Viscosity	5W-30
Horsepower	230 hp @ 5,600 rpm
Torque	242 lb-ft @ 3,600 rpm
Redline	6,200 rpm
Drivetrain	4-Wheel or All-Wheel Drive
Transmission	Automatic 5-spd
Final Drive Ratio	3.29:1
Axle Ratio	–
Fuel Economy
Fuel Type	Regular Gasoline
Recommended Octane	87
EPA City MPG	16
EPA Highway MPG	22
EPA Combined MPG	18
Fuel Economy (L/100 km)	13.1 L/100 km
Fuel Tank Capacity (gal)	20.0
Estimated Driving Range	360 miles
Annual Fuel Cost	–
CO₂ Emissions	–
Greenhouse Gas Score	–
Smog Rating	–
Performance
0-30 mph	–
0-60 mph	8.3 seconds
0-100 mph	–
Quarter Mile	16.4 seconds
Top Speed	110 mph (governed)
Braking Distance (60-0 mph)	138 ft
Lateral Acceleration	0.76g
Power-to-Weight Ratio	–
Dimensions & Capacities
Length (in)	200.0
Width (Without Mirrors) (in)	77.4
Width (With Mirrors) (in)	–
Height (in)	68.9
Wheelbase (in)	119.3
Front Track (in)	66.1
Rear Track (in)	65.7
Ground Clearance (in)	6.9
Curb Weight (lbs)	4,430
GVWR (lbs)	5,720
Towing Capacity (lbs)	3,500
Payload Capacity (lbs)	1,290
Passenger Volume (cu ft)	170.0
Cargo Volume (Behind Rear Seats) (cu ft)	43.6
Cargo Volume (Max) (cu ft)	148.9
Turning Circle	39.0 ft
Approach Angle	–
Departure Angle	–
Breakover Angle	–
Safety Ratings
NHTSA Overall Rating	5 Stars
NHTSA Frontal Crash	5 Stars
NHTSA Side Crash	5 Stars
NHTSA Rollover	4 Stars
IIHS Award	Best Pick
Small Overlap Front	–
Moderate Overlap Front	Good
Side Impact	Good
Headlights Rating	–
Front Crash Prevention	–
Technology & Connectivity
Infotainment Display	–
Instrument Cluster	Analog
Apple CarPlay	No
Android Auto	No
Navigation System	Optional
Audio System	JBL Synthesis
Speaker Count	10
Wireless Charging	No
Wi-Fi Hotspot	No
OTA Updates	No
Digital Key	No
Warranty & Ownership
Basic Warranty	36 months / 36,000 miles
Powertrain Warranty	60 months / 60,000 miles
Corrosion Warranty	60 months / unlimited miles
Roadside Assistance	–
Complimentary Maintenance	–
Specs.Autos Exclusive Data
Engine Assembly Plant	Kamigo, Japan
Transmission Supplier	Aisin
Gear Ratios	–
Differential Type	Open
Cooling System Capacity	–
Roof Load Capacity (lbs)	150
Safety Recall Count	–
Production Volume	–
Units Sold in USA	–

Consumer Insights & Market Appeal

The 2004-2006 Toyota Sienna is widely regarded in the used car market for its exceptional durability and practical design, often serving as a benchmark for long-term reliability in the minivan segment. Prospective buyers should prioritize vehicles with documented service histories, specifically regarding the timing belt, which requires periodic replacement on the 3.3L V6 engine. Common areas to inspect include the power sliding door mechanisms, which can experience wear over time, and the suspension bushings, which may require attention due to the vehicle’s curb weight. While the AWD system is highly valued for its capability in adverse weather, it is important to note that it utilizes run-flat tires, which can be more expensive to replace and may offer a firmer ride compared to conventional tires. Despite these considerations, the Sienna remains a compelling choice for families seeking a spacious, comfortable, and dependable vehicle, maintaining strong residual value due to its reputation for longevity.