@ LUCK_LIBRA
As far as speed is concerned GS hardly goes to 120 km/hr.
While Delux well above that speed.
If u talk about comfort in Delux the aerodynamic shape and high back end and lower front end gives u the comfort and prevent back problems.
For handling the wide tyre and sports bike shape and cool disc brakes of Delux will assist u where as in GS the Heavier body prevents u from getting sharp turns
(cornering),,,,,,,,,,,,,