No.
The 2003 Toyota Sienna has a V6 engine.
The 2003 Toyota Sienna has a 3.0 L base engine size.
The 2003 Toyota Sienna's engine produces 210 hp @ 5800 rpm.
The 2003 Toyota Sienna's engine produces 220 ft-lbs. @ 4400 rpm.
No , the 3.0 liter V6 in a 2003 Toyota Avalon is NOT an interference engine ( according to the Gates website - they make timing belts etc . )
no
The 2003 Toyota Sienna has 24 valves.
The 3.4 liter V6 in a 2003 Toyota Tacoma is NOT an interference engine ( according to the Gates website )
The 2003 Toyota Sienna is a gas-powered vehicle.
The 2003 Toyota Sienna has a 4-speed automatic.
The 2003 Toyota Sienna has double overhead cam (DOHC).
The height of the 2003 Toyota Sienna is 5 ft. 7.3 in. (67.3 in.).