Imagine you have around £100,000 to spend on an SUV and six friends to carry. The thing is, you're always in a massive hurry, so you absolutely must own the quickest car for the job. To answer this most first-world of problems, I pitch the diesel-powered Audi SQ7 - complete with magnificent 4.0-litre V8 - against the Tesla Model X 100D to find out which is fastest. In the last of my internal combustion vs battery power face-offs, the Tesla Model S managed to edge out the Nissan GT-R. So can the pride of fossil fuels really rely on a diesel SUV? Find out as I put the pair through their paces.Subscribe to carwow on youtube – https://hiblog.tv/carwowWatch my Tesla Model S P100D vs GT-R performance test here – Tesla Model S P10... Awkward haggling is a thing of the past with carwow. Choose your perfect car with our configurator tool and let the country’s best dealers compete over you. Compare the five best offers by price, location and dealer ratings and choose the one that’s right for you – no hassle, no haggling, just a great deal. Visit our site to save money on your new car –