These Defenders have additional Air Lockers in the front and rear axle. That would make 3 lockable diffs. Front, Center and Rear. From what I've read in their Thread on www.offraod-forum.de , the Top speed is a bit lower, but you can compensate with bigger tires. But bigger tires put more stress on the drivetrain,... So it depends what you do with it. Handling is not much different. Of course it is a bit higher, but at the same time a bit wider. The guy in the white 130 uses it as a Press vehicle for rallies like Berlin Breslau or the trans Siberia challenge.