Originally Posted by pierrepiac
agree. X3 probably has the worst design in the BMW line-up. and i dont understand the 4-seater X6 either. it's a great looking car but for the price of it and the mileage that comes along....sigh.
M3 gets worse mileage than an X6 and has less utility. It depends on your needs I guess. One thing the X6 offers over the X3 or 3 series in general is a very smooth ride.