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Adding to the 4.0-liter power and rear-biased all-wheel drive is Porsche’s brilliance at making things go fast. The very definition of a hot-rod, luxury SUV is Porsche’s insanely rapid Cayenne Turbo GT Coupe. Just sit back, revel in the baronial cabin, and benefit from the 12-cylinder brawn. Bentley’s Dynamic Ride air suspension does its best to keep this 5,529-pound heavyweight from leaning through curves, but the Speed’s handling is still more relaxed than athletic.
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The turbine-like 664 ft lbs of thrust-all of it available from just 1,500 rpm-does not diminish until it hits the Speed’s 190 mph max. And speed is what this Bentayga delivers in spades zero to 60 mph comes up in 3.8 seconds. The only other 12-pot luxury SUV you can buy these days has the Spirit of Ecstasy on its bow, and that’s built for comfort rather than speed. Presenting the mighty Bentley Bentayga Speed and its potent, twin-turbocharged W-12 with 626 hp. Think of the Audi RS Q8 as a velvet-covered hammer on 23-inch rims. It also handles beautifully, aided by adaptive air suspension and RS-specific damper tuning, laser-precise steering, and pizza-sized ceramic stoppers that span 17.3-inches in the front. Make no mistake, this is a true supercar SUV with a soundtrack to match. And its 590 ft lbs of torque gives the big-grilled Audi simply astonishing mid-range thrust.
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Powered by pretty much the same 4.0-liter twin-turbocharged V-8 you’ll find under the hood of the Raging Bull’s SUV (Lamborghini’s Urus S makes 657 hp), the super-fast RS Q8 can hit 60 mph from zero in just 3.7 seconds and top out at a limited 155 mph. A Lamborghini Urus for half the price? That’s the appeal of Audi’s flagship SUV, the 591 hp RS Q8.
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