SUBARU’S evergreen Impreza has been restyled for 2012 with a completely new drivetrain, redesigned interior and palpable improvements to noise suppression and refinement. , , All help to bring the Japanese small car with all-wheel drive up to date, but has the company done enough against high-flying rivals like the Volkswagen Golf and Ford Focus? , , We take an in-depth look at the range-topping (for now) 2.0i-S hatch to find out.