The entry-level petrol is the 154bhp 318i, followed by a 181bhp 320i, 254bhp 330i and the delightfully quick 369bhp 3.0-litre six-pot M340i. BMW 3 Series 2.0 320i Exclusive Edition Touring What is the difference between 318 and 320 BMW? BMW 318i Or 320i – Which BMW Model Is Better The BMW powered by a 136 hp in-line four-cylinder gasoline engine with 2.0 liters of displacement. … 320i is more spacious and has more leg and arm rooms where as 318i has more space in trunk that is very useful. The 320i will be smoother to drive and as for running - its only an extra two spark plugs and a longer fan belt to worry about. 318 should get close to 40mpg on a run and the 320i about 36mpg. I wish BMW went back to their old numbering system where you could tell what engine a car has! BMW 318i Luxury Line: RM208,800; BMW 320i Sport LIne: RM238,800; BMW 320i M Sport: RM258,800; 41 horses difference between the C250 and 330i, this makes a huge difference in terms of performance. The purely petrol line-up consists of the 318i, 320i and 330i. All of these models are four-cylinder units that achieve official mpg figures in the low forties, and put out 154bhp, 181bhp and The BMW 320i is a long way ahead of the BMW 328i in terms of fuel economy, yet there is only a little difference. The importance of fuel economy cannot be overstated. Choose a vehicle that gets decent gas mileage. 6. Difference With The Power. Compared to the BMW 320i, the BMW 328i was said to have significantly more power. For those who wish Shared with the 120i, the engine develops 110kW at 6200 rpm, with peak torque of 200Nm registered at 3600rpm. A jump of 5kW compared to the E46's entry-level 318i (which also used a 2.0lt engine), BMW claims the 320i is also quicker -- 0-100km/h in 9.7sec in auto form. But there’s life and excitement left in the seventh-generation 3 Series yet. Joining the 320i and 330e in the BMW lineup here is the 318i. It uses the same 2.0-litre engine block from the 320i, but in a lower state of tune with 156 horsepower compared to the 320i’s 184 horsepower. 320d is the fastest by considerable margin. This comparison has been viewed 438 times. 33292 lap times and 40150 quarter mile, 0-60 times for 16459 cars and 613 bikes. Compare performance of BMW 318i (E90) and BMW 320d. Which is to say, if we dare, that the two-door 318is and its companion piece, the four-door 318i, are considered by BMW management to be affordable. Tested: 1980 BMW 320i Brings Responsible Fun; Mh9Y5.