There actually aren't any options for the Gran Coupe models, unfortunately. I do still have an option for you to carry your bikes.
Check out the SeaSucker Mini Bomber Bike Rack for 2 Bikes # 298-BM2006. This bike rack uses vacuum cups to stick to the roof of your Gran Coupe and will give you the ability to carry up to 2 bikes that weigh 45 lbs each.
If you didn't like that option then you could also use a trunk mounted rack like the Yakima FullBack 2 Bike Rack # Y02634. This is going... view full answer...