Layout    
Front-engine, front-wheel-drive
Front-engine, four-wheel-drive

Engine    
3.3 L 3MZ-FE V6 (MY2004–2006)
3.5 L 2GR-FE V6 (MY2007–2010)

Transmission    
5-speed U151E automatic (FWD)
5-speed U151F automatic (AWD)

Dimensions
Wheelbase    
119.3 in (3,030 mm)
Length    
200 in (5,080 mm) (2004–05)
201 in (5,105 mm) (2006–2010)
Width    
77.4 in (1,966 mm)
Height    
68.9 in (1,750 mm)
Curb weight    
4,300 lb (2,000 kg) (FWD)
4,525 lb (2,053 kg) (AWD)

Toyota Sienna on Wikipedia

MORE SPECS WILL BE HERE SOON