Using total quartz 5000, from last 3 years,changing oil after 3500-4000km,1st was using zic 10-40 but now a days its price too high about 3900,after running 4000km reducing 500ml,i think its normal,average in city is 14-14.5 km/L,on highway 16-17 depend on driving style,last year i visited multan via g.t road from faisalabad,speed was between 90-100 km/h,achieved 19km/L average