We usually stay calm when automakers apply the sport treatment to their mainstream midsize sedan-fancy wheels and a body kit might look good, but they don't exactly get the adrenaline pumping. The 2017 Ford Fusion Sport, however, has something extra. It goes beyond the visual fluff we've become accustomed to and instead comes armed with a high-strung V-6 and all-wheel-drive grip, making it the quickest midsizer we've tested.

Ford's incognito speedy sedan packs a 2.7-liter twin-turbo EcoBoost V-6 that churns out 325 hp and 380 lb-ft of torque-but only sometimes. That's because the engine will only make that much power when it's sipping 93 octane gasoline, which isn't readily available in our home state of California, where 91 octane is the norm. Engine output running on 91 octane is unknown because Ford prefers to show off the bigger numbers.

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