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- RDX Aspec Adv.
Having more gears is not necessarily a good thing if the box and control units don't know what the correct gear it should be in.
Mazda's 6 speed automatic is fine for both petrol and diesel as it knows what gear to be in pretty much most of the time. They have sorted it out well IMHO.
That they do, but a well sorted 8 speed is better. Time will tell if Toyota did it right or not.