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Alfa Romeo looks set to abandon a high-performance version of the Holden-built V6 in favour of a Ferrari V8 as the Italians' 159 GTA targets the Audi RS4 and new BMW M3.
Our spy photographers have snapped a muscular-looking 159 sedan testing at Germany's Nurburgring circuit, and the thinly disguised vents on both the front guards and the bonnet suggest this prototype is powered by a high-performance V8.
