So, the 675LT is more fuel efficient than the RS7. Same route, from Marina area to Yas Mall. Keep in mind the RS7 has cylinder deactivation which means it'll run on 4 cylinders most of the time. The route is a mix of highway and city driving.

ig:themaverique: So, the 675LT is more fuel efficient than the RS7. Same route, from Marina area to Yas Mall. Keep in mind the RS7 has cylinder deactivation which means it'll run on 4 cylinders most of the time. The route is a mix of highway and city driving.