What is the difference between the BMW 3 Series variants?

The BMW 3 Series variants differ mainly by price and the equipment attached to each grade. The current variant list shows 2025 M340i xDrive M Sport Pro: RM 392,800; 2025 330Li M Sport: RM 323,800; 2025 330i M Sport: RM 316,800; 2025 320i Sport: RM 267,800. In practice, buyers should start with budget, then check which version adds the comfort, safety or powertrain features that will matter in daily driving.