The SEL and SEL premium pack models offer a lot more kit with some notable features being the adaptive cruise control and 12.3 - inch virtual cockpit. (carbuzz.com)
Essentially, this provides a subscription where you get one multiplayer premium packs per week for 20 weeks. (gamerassaultweekly.com)
Though, it should be noted that the purchasing method appeared to be less than reliable when we used it — after purchasing any sort of premium pack, a logout was required in order for our account to properly reflect some unlocks having been made. (playstationlifestyle.net)