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It has a chain.
chain
The 2012 Toyota Sienna has 16 valves.
The 2012 Toyota Sienna is a gas-powered vehicle.
The 2012 Toyota Sienna has an inline 4 engine.
The 2012 Toyota Sienna has a drag coefficient of 0.32 Cd.
The 2012 Toyota Sienna has a 6-speed shiftable automatic.
The 2012 Toyota Sienna has double overhead cam (DOHC).
The curb weight of the 2012 Toyota Sienna is 4275 lbs..
The 2012 Toyota Sienna runs on regular unleaded.
The 2012 Toyota Sienna is 16 ft. 8.2 in. (200.2 in.) long.
The height of the 2012 Toyota Sienna is 5 ft. 9.5 in. (69.5 in.).