Hmmmm to my mind almost anything can be fashionable but to be stylish it has to have some practicality.
Look at clothes, fashionable clothes often look impractical/dated, however it's often said that stylish clothes almost always remain fashionable, sometimes they may look archaic but most people will look at them and opine that they look good, and practical.
In the same way I think an SRX is stylish, I don't think it will attain the cachet of "a classic" ie. widespread acceptance as an exceptional design/bike, but I think if you pull up next to a group of people who haven't seen one a significant proportion of the group will agree it looks good, very few would say ugly.
By that definition the design and style hasn't dated and is broadly approved of and therefore I would class it as stylish rather than fashionable.
Carrying on the thought, a well set up Enfield can be stylish, it's practical and different enough to be individual without suffering from design elements inflicted to fit in with a fashion. An unreliable, leaky or badly set up Enfield however loses it's stylish cachet as it becomes unreliable and impractical...
Of course style is very much a personal perception, some might say Terry Thomas has style, some would call him a filthy minded letch, Steffen may protest he isn't stylish however choosing an army green Enfield (and standing out from the crowd that way) IS a style, whether chosen for practical reasons or not, will it do anything a CG125 will not for your chosen trip/s....?!

(no offence meant, and I'd love a shot on it(!) it's just as an example mate)
Of course it may well be that you don't
care what other people think of your individual stylishness or indeed lack of style, but every time you choose to buy one colour over another, or indeed one type of vehicle over another, we make a choice which is governed in part by style whether we conciously choose to or not.
If our motorcycles were purchased purely on practicalities we'd all be riding some sort of medium small semi(or fully) enclosed variant on a scooter, or with the current choice of machines either CG/YB125's or CB/GS/ETC 500's, the remainder being on Deauville's it being the only other currently available *practical* middleweight long distance bike I'm aware of on sale just now.
But they are not... hence diversity and a wide variety of views on what is stylish.
Which is probably a good thing, (even though I'm still writing in the train of thought style!

)
