Auto these models if maintained well will be 8 to 10 kmpl local and 12 to 13 on highway. Badly maintained people get 5 to 6 kmpl.
Don't listen to previous owner, most of these shameless people lie on your face to sell thr car judge your self, take technical help. The dream can turn into nightmare if you chose a badly maintained car.
Honda hamesha mint condition main leini chaheya as the maintenance cost is high.