They're both good cars. You can't really call one better than the other based on two points of a C&D test.
Though I bought a 328 over the G37. The BMW is still the driver's car.
'15 i3 REX // Capparis // ZGW // ZTD // HK // 20"
20% Tint, Coding, LED High Beams/Signals, Painted Reflectors, MAX2 Hardwire
Past: F30 335i, E90 328xi