Technical specs and performance data for the Audi Q7 4.2 TDI quattro 326 4L (2007-2009) Technical specifications for the 2007-2009 pre-facelift Audi Q7 4.2 TDI quattro 326 (4L) 5 door SUV. Find & compare performance, practicality, chassis, brakes, top speed, acceleration, suspension, engine, weights, luggage & more.
In the case of the Q7 4.2 TDI 340hp engine, our Chiptuning file is tailored for more power and torque, reduced fuel consumption, smoother acceleration and improved throttle response. By optimising the torque curve the Q7 4.2 TDI 340hp engine produces more torque at lower RPM. This also means that you can change gear earlier, so your Audi engineFACTS. Almost any Diesel car sold in Australia in the last decade including your audi q7 has factory reduced performances. Reasons behind this fact are multiple and we have explained them in a dedicated article. Original ECU (Engine Control Unit) setup reduces Torque and Power by 15% to 25%. Torque is a crucial asset for a diesel engine as it