There are many makes and sizes with the straight six. Give us the make, model and year of the vehicle.
The 2012 BMW 6-Series has an inline 6 engine.
The 2013 BMW 6-Series has an inline 6 engine.
The 2014 BMW 6-Series has an inline 6 engine.
The 2012 Volvo XC90 has an inline 6 engine.
The 2012 Volvo XC70 has an inline 6 engine.
The 2008 Volvo S80 has an inline 6 engine.
The 2009 Volvo XC70 has an inline 6 engine.
The 2013 Volvo XC70 has an inline 6 engine.
The 2009 BMW X3 has an inline 6 engine.
The 2003 BMW Z4 has an inline 6 engine.
The 2003 BMW X5 has an inline 6 engine.
The 2006 BMW X3 has an inline 6 engine.