Trigger warning for Cayenne and Urus owners: this isn’t just the fastest DBX money can buy, Aston Martin’s DBX 707 now holds the title for fastest production SUV in the world. You are looking at 0-62mph in 3.3 seconds and a claimed 193mph top speed. We know what you’re thinking: what on earth have Aston put under the bonnet? How else is it different from a standard DBX? How much more will the 707 variant cost? We sent Top Gear Magazine's Ollie Marriage to find out…

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