Most mechanics will do a complete check up and tune of the engine as part of tracking this problem and it’s a good start, because a new set of spark plugs and plug leads might just fix this problem.

It’s a little higher than I would expect. It should be around 8.7 L/100 km in city driving and 5.3 on a country run. It would be worth having it checked by a mechanic or dealer to see if there is ...