Well i don't have the same car i have a landcruiser 100 series and i have a booster a maxi rider (which r great concert from babt seat 9kg i think into a booster seat) and a turn-a-tot which turns to face the door put new born baby in and then turn it back tio rear facing compact size really great. i suggest going to a baby store and trying them in your car.

Hope this helps
Nikki