2012 Kia Optima Hybrid = 5.4 L/100 km. It was a mostly uphill run from Hamilton to Woodstock
2013 Mazda CX-5 GS FWD = 5.6 L/100 km. It was Woodstock to London, mostly flat. I was at 5.3 L until the final run on Veterans Memorial highway (up-hill, 90 km/h)