Brighter can mean a lot of things in this industry full of... for lack of better emphasis... bull crap. This includes the ever-so-popular Sylvania Silverstar bulbs.
Many of these bulbs claim brighter due to change in hue, in which case, what is perceptively brighter is not really brighter at all but just whiter light. Here, you're actually getting less actual light output because the coated bulbs are actually filtering out certain spectrums of light to produce a whiter appearance.
The other conventional method, of parting you from your money, are bulbs that burn hotter (higher wattage) to produce more light output. These, are also a waste of money, because they sacrifice bulb life. You could be driving along for a few months and suddenly one moonless night find yourself with no working headlight(s). No matter how they spin the marketing, the realities of physics and science can't be altered. Hotter bulbs can also wind up scorching a dark spot on the inside of your headlamp lens, permanently.
I've been dealing with lighting issues for decades... for as long as I held a driver's license because headlights from the 80s were horrible. Anyone who's driven one from that era and with sealed beam headlamps knows what I'm talking about. Factory lighting technology has improved greatly since then. Engineering of reflectors and more precise manufacturing have made it possible. I find it hard to believe that a 2015 Renegade has factory headlamps so poor that one feels compelled to "fix" it.
If you are not satisfied with your car's headlights, make sure they are aimed properly before wasting money on snake oil light bulbs that cost you more and do less.
If you insist on spending money on brighter aftarmarket bulbs, keep a spare set in the car and make sure you are able to change them on the side of the road if you ever have to. It's unlikely both headlights will burn out at the same time, but not impossible.