Is it just me, or are y'all getting the same DVLA reminders amounting to £280 for a years road tax? Which, if I pay monthly goes up to £294!

Yes, I know it's emissions based an our beloved Rocco's are not the cleanest, but really... by gas guzzling dirty 4x4 diesel Audi I got rid a few years ago only cost c.£350...
My better half's 1.5 Mazda only costs £120.
Right, whinge over.
Thanks
Russ