Mine is for sale in Saffron Walden, not too far from MK: https://www.gr-zoo.com/threads/magnetite-grey-gr86-for-sale-on-pistonheads.7229/
In terms of preference, I would say the 86 is better for fun at lower speeds, rwd, naturally aspirated etc - the Yaris is faster and more capable (4wd), but...