Complex sentence: The 120Y was sharply criticized by magazines such as "Wheels" of Australia, which felt that it offered no true improvement on its predecessor, not surprising given that the B110 platform was carried over, but used a slightly revised A12 engine.
Split into simpler sentences: The 120Y was sharply criticized by magazines such as "Wheels" of Australia, which felt that it offered no true improvement on its predecessor. That was not surprising given that the B110 platform was carried over, but used a slightly revised A12 engine.