After 3,000 km of driving my average (18i) is about 12.5lt/100km... All city driving averaging around 28km/hr. If you're driving is going to be mostly city.. i cant see it getting much better than that. That said, by buying the diesel at an extra 15000US its going to take a lot of km's before you start gaining the benefits of the lower fuel consumption.. The extra performance maye be worth it though. All the best with your choice!
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