The GL550 is nice, but it drives like a big SUV that it is. I was rather bored behind the wheel as it isn't the least bit engaging. I don't know how the X7 will compare but I'd imagine it'll also just feel like a rolling living room.

As far as repairs, well the GL has been around a lot longer for MB to theoretically figure out issues. I bet the first gen X7 will be a nightmare out of warranty.

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03 3.0i mt
89 325is