Hello boys and girls! Long time no see!
As some if you are aware, I have recently, and very loudly, returned to LR Ownership with a rather Orange RRS. I am looking at some point to replace the current road tyres on with All Terrains, probably General Grabbers. The current, and correct tyre size for this vehicle is 255/50 R19. When Land Rover first modified this RRS for the G4 Challenge, they fitted 255/55 R19 Good Year Mud Terrains because you couldn't get them in the smaller size.
So do I fit the correct size 50 aspect tyres or the slightly larger (by 25mm or 3.39% on diameter) 55 aspect tyres, both of which I can get as ATRs? I know about the unreading speedo, mpg, and lower gearing, against improved ride height and possibly comfort, but is there anything else I need to worry about, such as ABS or traction control?