What seems to have been missed by many of the readers is that being of a higher frequency it will get bounced around by buildings people who lived near the railway at Bury st Edmunds can confirm that with being able to count train carriages on their TV by signal ghosting, also there is the fact that as the range is less there will have to be more relays which will not happen in the country, the drop of is sharp, one minute good signal pass a tree and you have lost it, but the best of all, the REALLY good bit:- well the system used by the UK is actually dead in the water as a more recent and better system has been adopted by the rest of the world.
I guess that you could say the UK has invented a squre wheel.
The audio will be manure as to compress it into digital is bad enough, however the station buys a frequency so can put 1, 2, 3 or even more stations on it. The more you put on it the more advertising you can sell and oh yes the more degraded the system.
If you have bought DAB then you are rich, have too much money, or live in cuckoo land.
If you really want digital then get it from Free sat or Sky, as its not fit for purpose mobile make sure your car does not have it.
Incidentally if you are getting a new car specify it with an SD card reader, not a disc. If they cannot then without, as a radio FM and SD card reader is a LOT cheaper than a disc.