Renaultsport Clio Gordini

Question: I'm a big fan of performance hatches, but the fact that the Renaultsport Clio Gordini produces almost 150 kW from a 2,0-litre normally aspirated powerplant puzzles me. Most 2,4-litre engines such as the one in the Hyundai Sonata don't even come close to 140 kW, so how is it possible for a 2,0-litre ...