The most powerful diesel SUV in the world has just got even more potent and stealthy thanks to a new tuning program for the Audi Q7 V12 TDI from Fostla.
In factory trim, the Q7's 6.0-liter twin-turbocharged V12 diesel engine churns out 493hp (500PS) and 1,000Nm (738 lb-ft) of torque for a zero to 100km/h (62mph) sprint time of 5.5 seconds and a limited top speed of 250km/h (155mph), according to the manufacturer.
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