The Top Gear crew pits the Audi Q7 against a Volvo XC90 in this segment. The 2007 Audi Q7 is the world’s most powerful diesel passenger car, boasting a 6L V12 engine that generates an incredible 500hp and 738 ft-lb torque. It goes from 0-60 in just 5.5-seconds and has a top speed of 155mph. Video after the jump.

The Top Gear crew pits the Audi Q7 against a Volvo XC90 in this segment. The 2007 Audi Q7 is the world’s most powerful diesel passenger car, boasting a 6L V12 engine that generates an incredible 500hp and 738 ft-lb torque. It goes from 0-60 in just 5.5-seconds and has a top speed of 155mph. Video after the jump.