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@Mr.choppers: Greetings! Regarding this revert, conversion of units from US customary to metric is required by MOS:UNITS. This allows readers outside the United States who are not familiar with those units to understand what's going on. The infobox in this article already uses primarily metric units. -- Beland (talk) 03:06, 25 July 2023 (UTC)[reply]
@Beland: But this is not a US customary case; it's just that the entire world refers to automobile wheel diameter by inches and inches alone. Adding a conversion just adds needless characters but no value. See The European Tyre and Rim Technical Organisation's paper on standardization or UNECE's standards on tire sizes. Glance at Annex 5: TYRE SIZE DESIGNATION AND DIMENSIONS in the latter document, for instance. It's inches throughout when referring to diameter (and width) of the rims themselves, metric for everything else. Thank you, Mr.choppers | ✎ 03:49, 25 July 2023 (UTC)[reply]
From ETRTO: Since the first [European Tyre and Rim Technical Organisation] Data Book, there are four traditional types of rim contours adopted by all tyre types... All of them have the nominal width and nominal rim diameter expressed with the traditional inch/code designation. Some other tyre to rim technical configurations was proposed and standardised for Passenger Car tyres, but did not encounter the favour of the market and disappeared. See Michelin TRX for more on the sadly failed attempt to bring some logic to tire designations. ISO managed to fix bike tires pretty well, but that was a much smaller effort. Mr.choppers | ✎ 04:17, 25 July 2023 (UTC)[reply]
Knowing how big a 15-inch tire actually is seems to be worthwhile for readers unfamiliar with inches. The article tire code (which is what tire size redirects to) does convert inches to millimeters. I don't see a good reason why this one article should be an exception. A few extra characters are easily read past by someone familiar with the tire industry or inches, but not knowing what is meant by a "15-inch tire" creates a failure of understanding for readers who only use the metric system. The latter seems a much more important problem to solve. -- Beland (talk) 18:47, 25 July 2023 (UTC)[reply]
Anyone who might have any interest in knowing how large the rim is (fwiw, 15 inches is the diameter of the opening in the tire rather than its outside diameter) would be familiar with the globally accepted units for wheel measurements. To me, readability and standard practice trump the slim possibility that someone reading about the Mahindra Armada has never heard of car tires before – this is not an anti-metric crusade but an attempt to retain editorial judgment rather than reducing WP to rules and guidelines applied by automatons and bots. I would like to note that I see countless mentions of tire diameters without conversions at tire code, aside from in the geometry section where conversions are 100% appropriate: every time you see something like "P205/50R15", the "15" part refers to inches (the "P" means that the tire is metrically sized). Anyhow, I removed the 15-inch mention in favor of wording which better explains why the tire dimension is of relevance. Mr.choppers | ✎ 21:16, 25 July 2023 (UTC)[reply]
Ah, good idea! -- Beland (talk) 19:54, 27 July 2023 (UTC)[reply]
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