Just a quick look for weight you have:
2017 Q7 3.0 diesel - 4343lbs
2016 Cayenne GTS - 4652lbs
2016 Range Rover Supercharged - 5137lbs
2017 MB GLS 63 - 5371lbs
2017 Escalade - 5840lbs
That's a BIG difference.
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Past-President, Porsche Club of America - Upper Canada Region