I drove the Lincoln Mkt, not a bad ride but no comparison to the GT. I also drove a new MDX since we had an older one.... Same thing ten years newer. Also drove an R-Class Mercedes- that was a big disappointment and expensive. Drove a Caddy SRX, not bad but no back seat. One drive in the GT and I was hooked. I also have an Acura RL - have to say Acuras are bulletproof. I have 170K on my MDX and 90 on my RL.. I hope the GT proves to be as bulletproof. I did splurge for extended warranty and maintenance since I have heard BMWs can be expensive to maintain and I tend to keep cars a long while..
Bottom line is if you are tired of an SUV (i am), need a big back seat, want to haul stuff and have fun driving there is no other vehicle, other than maybe a 7 series or S class, that accomplishes this mission.. Granted that mission is not a requirement for everyone, but I for one am glad BMW stepped up.... And did it for less than 6 figures!