Hard-shell rooftop tents
+ Usually faster & easier to set up.
+ Are more durable as they are made from tougher material.
+ Can usually store mattress & gear in the tent when closed.
+ Some hard-shell rooftop tents allow you store gear on top i.e. your mountain bike.
- Can be expensive due to the tougher and more durable materials
- Heavier than soft-shell rooftop tents. Typically excess of 60kg
- Vehicle performance and handling is slightly worse than soft-shell rooftop tents being heavier and bulkier in nature.