{"id":535,"date":"2025-08-22T21:17:27","date_gmt":"2025-08-22T21:17:27","guid":{"rendered":"https:\/\/www.oxbysautos.co.uk\/blog\/?p=535"},"modified":"2025-08-22T21:37:21","modified_gmt":"2025-08-22T21:37:21","slug":"how-to-find-your-tyre-size-a-simple-guide-from-oxbys-autos","status":"publish","type":"post","link":"https:\/\/www.oxbysautos.co.uk\/blog\/how-to-find-your-tyre-size-a-simple-guide-from-oxbys-autos\/","title":{"rendered":"How to Find Your Tyre Size \u2014 A Simple Guide from Oxbys Autos"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\ud83d\ude97 Why It Matters<\/h3>\n\n\n\n<p>Knowing your <strong>correct tyre size<\/strong> isn\u2019t just about getting a good fit \u2014 it\u2019s essential for <strong>safety, performance<\/strong>, and even <strong>insurance compliance<\/strong> here in the UK. Driving on incorrectly sized tyres could lead to MOT failures or even a fine.<\/p>\n\n\n\n<p>Each axle tyre sizes must match and cannot be different each side.<\/p>\n\n\n\n<p>Here\u2019s how to find your tyre size in under 60 seconds.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udede 1. Where to Look: The Tyre Sidewall<\/h3>\n\n\n\n<p>Your tyre size is written directly on the <strong>sidewall<\/strong> \u2014 the smooth rubber section between the tread and the wheel rim.<\/p>\n\n\n\n<p><img fetchpriority=\"high\" decoding=\"async\" width=\"450\" height=\"282\" class=\"wp-image-538\" style=\"width: 450px;\" src=\"https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-scaled.jpeg\" alt=\"Tyre size\" srcset=\"https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-scaled.jpeg 2560w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-300x188.jpeg 300w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-1024x641.jpeg 1024w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-768x481.jpeg 768w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-1536x962.jpeg 1536w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-2048x1283.jpeg 2048w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-150x95.jpeg 150w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-400x250.jpeg 400w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><br><br><em>This is what your tyre size will look like on the sidewall.<\/em><\/p>\n\n\n\n<p>Look for something that looks like this:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>205\/55 R16 91V<\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\udde9 2. What the Numbers Mean<\/h3>\n\n\n\n<p>Here&#8217;s a quick breakdown of the code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>205<\/strong> \u2013 The width of the tyre in <strong>millimetres<\/strong><\/li>\n\n\n\n<li><strong>55<\/strong> \u2013 The <strong>aspect ratio<\/strong>, meaning the sidewall height is 55% of the tyre\u2019s width<\/li>\n\n\n\n<li><strong>R<\/strong> \u2013 Stands for <strong>Radial construction<\/strong> (standard in the UK)<\/li>\n\n\n\n<li><strong>16<\/strong> \u2013 The <strong>diameter of the wheel rim<\/strong>, in inches<\/li>\n\n\n\n<li><strong>91V<\/strong> \u2013\n<ul class=\"wp-block-list\">\n<li><strong>91<\/strong> is the <strong>load index<\/strong> (how much weight the tyre can safely carry)<\/li>\n\n\n\n<li><strong>V<\/strong> is the <strong>speed rating<\/strong> (max speed the tyre is rated for)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\uded1 <em>Always make sure the load index and speed rating are equal to or greater than your car&#8217;s requirements.<\/em> Some tyres will say &#8216;xl&#8217; which means extra load rating often used on EV and heavier vehicles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd0d 3. Can\u2019t Read the Tyre? Try These:<\/h3>\n\n\n\n<p>If the sidewall is worn or unclear, check:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inside the driver\u2019s door frame<\/strong> (look for a white or yellow sticker)<\/li>\n\n\n\n<li><strong>The vehicle handbook<\/strong><\/li>\n\n\n\n<li><strong>Fuel filler flap<\/strong> (on some models)<\/li>\n\n\n\n<li><strong>If you are looking at the flat tyre look at the other side on the same axle<\/strong><\/li>\n<\/ul>\n\n\n\n<p>These locations will show the <strong>manufacturer\u2019s recommended tyre sizes<\/strong> \u2014 ideal for safe and legal driving.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccf 4. Why the Right Size Matters (UK Rules)<\/h3>\n\n\n\n<p>In the UK, fitting tyres that do not meet the manufacturer\u2019s specification can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Invalidate your insurance<\/strong><\/li>\n\n\n\n<li>Result in an <strong>MOT failure<\/strong><\/li>\n\n\n\n<li><strong>Affect handling and braking<\/strong><\/li>\n\n\n\n<li>Lead to <strong>penalties or points<\/strong> if involved in an accident<\/li>\n<\/ul>\n\n\n\n<p>\u2705 That\u2019s why we always recommend checking before buying.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\uddf0 5. Need Help? Pop into Oxbys Autos<\/h3>\n\n\n\n<p>Bring your car in or snap a <strong>photo of your tyre sidewall<\/strong>, and our friendly team will:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Decode your tyre size<\/li>\n\n\n\n<li>Recommend safe, legal replacements<\/li>\n\n\n\n<li>Fit them while you wait<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udccd Visit us at: unit 32, armytage industrial estate, Whittington Moor, Old Whittington, Chesterfield S41 9ET<br>\ud83d\udcde Call us: <a href=\"https:\/\/www.google.com\/search?q=oxbys+autos&amp;rlz=1C1CHBF_en-GBGB1161GB1161&amp;oq=oxbys+autos+&amp;gs_lcrp=EgZjaHJvbWUqBggAEEUYOzIGCAAQRRg7MgYIARBFGDsyBggCEEUYOzIGCAMQRRg7MgYIBBBFGDsyBggFEEUYPDIGCAYQRRg8MgYIBxBFGDzSAQgxMjU4ajBqOagCALACAQ&amp;sourceid=chrome&amp;ie=UTF-8#\">01246 720395<\/a><br>\ud83d\udcbb Book online: <a href=\"https:\/\/www.oxbysautos.co.uk\/contact\/\">https:\/\/www.oxbysautos.co.uk\/contact\/<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcf8 Visual Recap<\/h3>\n\n\n\n<p>Here\u2019s what to look for on your tyre:<br><img decoding=\"async\" width=\"250\" height=\"157\" class=\"wp-image-538\" style=\"width: 250px;\" src=\"https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-scaled.jpeg\" alt=\"Tyre size\" srcset=\"https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-scaled.jpeg 2560w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-300x188.jpeg 300w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-1024x641.jpeg 1024w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-768x481.jpeg 768w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-1536x962.jpeg 1536w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-2048x1283.jpeg 2048w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-150x95.jpeg 150w, https:\/\/www.oxbysautos.co.uk\/blog\/wp-content\/uploads\/2025\/08\/AdobeStock_1072363993-400x250.jpeg 400w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">In Summary:<\/h3>\n\n\n\n<p>\u2705 <strong>Look for a code like 205\/55 R16 91V<\/strong><br>\u2705 <strong>Check your handbook or door sticker if unsure<\/strong><br>\u2705 <strong>Make sure your new tyres meet or exceed that spec<\/strong><br>\u2705 <strong>Ask Oxbys Autos for help if needed<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\ude97 Why It Matters Knowing your correct tyre size isn\u2019t just about getting a good fit \u2014 it\u2019s essential for safety, performance, and even insurance compliance here in the UK. Driving on incorrectly sized tyres could lead to MOT failures or even a fine. Each axle tyre sizes must match and cannot be different each&#8230;<\/p>\n","protected":false},"author":1,"featured_media":538,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[8],"tags":[34,35,36,37],"class_list":["post-535","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mechanical-tips","tag-find-tyre-size","tag-mobile-tyre-size","tag-what-is-tyre-size","tag-xl-tyre"],"_links":{"self":[{"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/posts\/535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=535"}],"version-history":[{"count":5,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/posts\/535\/revisions"}],"predecessor-version":[{"id":541,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/posts\/535\/revisions\/541"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/media\/538"}],"wp:attachment":[{"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oxbysautos.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}