Hi I have a 2018 C-HR  hybrid  great to drive but I’m finding it to small.  So im looking to change to a RAV4 hybrid 2018 model. So just a few questions main one been real life mpg I do the  stop start rush hour traffic going to work with some motorway 120 kph when on motorway 120kph in the chr I’m getting around 5.8 liters per 100 what would a RAV4 be averaging at motorway speeds.  Also what’s the soundproofing like in them as I find the chr a bit lacking on soundproofing.  Would