On my 99 Range Rover I currently have 255x65xR16 tyres. Any reason not to put a set of 255x55xH16s on? What difference will it make? TIA Craig
RR tyre sizes
Aug 28, 2003
2 Replies
It'll reduce your top/cruising speed. The 55 refers to the height of the sidewall at a ratio of the width. Your existing tyres are roughly 29" tall, with a circumference of 91". The 55's are roughly 27" tall with a circumference of 85". Hence, you have turn the wheel 7% further to go the same distance (or 7% faster to achieve the same speed).
Your speedo will also be (further) out.
On or around Thu, 28 Aug 2003 15:22:26 +0100, "Steve Morgan" enlightened us thusly:
sporting chance that the speedo will be closer, though :-)
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