When we test drove my wifes EX30, the same thing happened - I was appalled by the relative inefficiency compared to my much bigger iX50. Sales person (in whom I had zero confidence) said the same things. "Oh it just needs calibrating, people have been driving it hard, etc etc". I was all for...
On my current BMW iX, I specifically opted not to have the sunroof - weight being one reason, and the other - in the summer you need more aircon and in the winter you need more heat! Also, when they are open, they are noisy. I struggle to see the point, but they do make the interior a bit lighter
So this or stump up for the Turbo. As someone said its a big hike from the Base Model, but then its also a big hike to the turbo. For me in the UK £25k for matching spec S to matching spec Turbo.... but then the bragging rights. Although, I notice there is slighly less boot (trunk) space - is...