The 2011 Scion xD has 16 valves.
The 2011 Scion tC has 16 valves.
The 2011 Scion xB has 16 valves.
The 2011 Scion xB has an inline 4 engine.
The 2011 Scion xD has an inline 4 engine.
The 2011 Scion xD is a gas-powered vehicle.
The 2011 Scion xB is a gas-powered vehicle.
The 2011 Scion tC is a gas-powered vehicle.
The 2011 Scion tC has an inline 4 engine.
The 2011 Scion xD has a 5-speed manual.
The 2011 Scion tC has a 6-speed manual.
The 2011 Scion xB has a 5-speed manual.