The Audi Q7 SUV is available with six powerful and highly efficient direct injection engines. Gasoline-powered are Audi Q7 V6 3.6 FSI and Audi Q7 V8 4.2 FSI. There are Audi Q7 SUV four models with diesel engines - Audi Q7 V6 3.0 TDI, Audi Q7 V8 4.2 TDI, Audi Q7 3.0 TDI quattro Clean diesel and the world's most powerful diesel SUV, the Audi Q7 V12 TDI.