I think if you plough that particular furrow David, then by the time you are 71 you will be happily esconsed in an RX450H.
Whatever floats your boat, though !
By the time I reached the age to which you aspire, I had had my fill of German unreliability, German Dealerships and astronomical German repair costs.
Stop reading the glossy magazine and join the relevant forums to discover what owners think about their German cars.