FIVE YEARS INTO the life of Alfa Romeo's mid-size sports saloon, it's time for a fresh injection of poke. Or rather, a fresh direct injection of poke, thanks to a new powerplant that promises to be a mainstay of the Italian firm's entire range over the next few years. The 1750 TBi engine has turbocharging, direct injection and variable valve timing among its technical arsenal (see panel). It is likely to be used in the upcoming Giulietta hatchback, possibly with up to 240bhp on tap. But in this 159 Sportwagon, the motor produces 197bhp from just 1742cc. More tellingly, it also musters 2361b ft of torque from just 1400rpm.
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