{"id":84615,"date":"2023-05-31T01:46:31","date_gmt":"2023-05-31T08:46:31","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=84615"},"modified":"2023-10-02T19:22:15","modified_gmt":"2023-10-03T02:22:15","slug":"what-is-the-right-spare-tire-psi-and-other-faqs","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/what-is-the-right-spare-tire-psi-and-other-faqs\/","title":{"rendered":"What Is the Right Spare Tire PSI? And Other FAQs"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_b6e93e-21 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_b6e93e-21 > .kt-inside-inner-col,.kadence-column_b6e93e-21 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_b6e93e-21 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_b6e93e-21 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_b6e93e-21 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_b6e93e-21 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_b6e93e-21{position:relative;}@media all and (max-width: 1024px){.kadence-column_b6e93e-21 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_b6e93e-21 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_b6e93e-21 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-fc5033  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-c75e42\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3, .wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3[data-kb-block=\"kb-adv-heading_9e78f7-c3\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3[data-kb-block=\"kb-adv-heading_9e78f7-c3\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_9e78f7-c3[data-kb-block=\"kb-adv-heading_9e78f7-c3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_9e78f7-c3 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_9e78f7-c3\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Your spare tire should hover around 35 to 60 pounds per square inch (PSI), but the actual amount depends on the spare tire. Spare tires have a higher air pressure than regular tires because they lose air over time and they&rsquo;re stored for long periods.<\/li><li>You should only use your spare tire for 70 miles or less. Unless it&rsquo;s a full-size spare for long-term use, only rely on it until you get a proper tire that matches your OEM parts.<\/li><li>Experts recommend that you should only drive spare tires under 50 miles per hour. Any other restrictions are typically listed on the side of the tire itself.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Tire problems can be unpredictable. One moment you could be enjoying a scenic drive, and the next you could be dealing with a blown-out tire. That&rsquo;s why it&rsquo;s important to keep a spare in your trunk or under the vehicle where it&rsquo;s designed to reside.<\/p>\n\n\n\n<p>However, <a href=\"https:\/\/www.carparts.com\/wheel-and-tire-package\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spare tires\">spare tires<\/a> tend to differ from the tires your vehicle came with. Besides height, weight, and tread depth, another way they&rsquo;re different is the (pounds per pressure) <a href=\"https:\/\/www.carparts.com\/blog\/what-tire-pressure-is-too-low-for-safe-driving\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PSI\">PSI<\/a> they have.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Much PSI Should a Spare Tire Have?<\/h2>\n\n\n\n<p><strong>Your spare tire should hover around 35 to 60 PSI, but the actual amount depends on the spare tire. <\/strong>For comparison, regular OEM tires maintain a PSI level of 30 to 40, depending on the vehicle.<\/p>\n\n\n\n<p>PSI is the unit of measurement for the air pressure inside your tire. Ensuring your tires have the <a href=\"https:\/\/www.carparts.com\/blog\/what-tire-pressure-is-too-low-for-safe-driving\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"appropriate PSI level\">appropriate PSI level<\/a> can help prolong their lifespan, as it maintains the tread, limiting the wear and tear on your tires.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Do Spare Tires Have Higher PSI Than Regular Tires?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-1024x576.jpg\" alt=\"man adjusting car tire pressure\" class=\"wp-image-84618\" width=\"1024\" height=\"576\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-1024x576.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-300x169.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-768x432.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-1536x864.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-adjusting-car-tire-pressure-150x84.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>If you haven&rsquo;t used your spare for a long time, ensure it still has the ideal PSI before using it.<\/figcaption><\/figure>\n\n\n\n<p>Spare tires tend to lose air over time. They have higher PSI than regular tires so that, when you use them, their air pressure is at the right level for driving.<\/p>\n\n\n\n<p>If you haven&rsquo;t used your spare for a long time, ensure it still has the ideal PSI before using it. If it doesn&rsquo;t, you can inflate it in gas stations, auto repair shops, or tire service centers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Monitor Spare Tire PSI?<\/h2>\n\n\n\n<p>Pay more attention to your spare tire&rsquo;s PSI for the following:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Guarantee Vehicle Stability<\/h3>\n\n\n\n<p>Since spare tires in the trunk are often smaller than regular ones, ensuring they have the appropriate PSI makes up for the deficiency. This evenly distributes the vehicle&rsquo;s weight, making it more stable when driving.<\/p>\n\n\n\n<p>However, spare tires for pickup trucks and SUVs that are under the rear of the vehicle are full-sized. The size differs depending on what vehicle you&rsquo;re driving.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Spare tires for pickup trucks and SUVs that are under the rear of the vehicle are full-sized. The size differs depending on what vehicle you&rsquo;re driving.<\/p><cite><em>&ndash;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/anthonyharlin\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Anthony Harlin, ASE Certified Master Automobile Technician\">Anthony Harlin, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Promote Fuel Efficiency<\/h3>\n\n\n\n<p>Under-inflated tires affect the gas mileage for every PSI drop, so keeping it inflated to the recommended pressure helps improve the car&rsquo;s fuel economy.<\/p>\n\n\n\n<p>You can find the ideal PSI level on the markings on your spare tire, the tire placard in the driver door jamb, the passenger left door jamb, and inside the fuel cap door.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Factors Affect PSI in Spare Tires?<\/h2>\n\n\n\n<p>Different factors may affect the air pressure in your spare tires. Knowing them helps you keep the spare tire at the optimal level.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Temperature Fluctuations<\/h3>\n\n\n\n<p>A change in air temperature alters the PSI of your spare tire. A 10-degree Fahrenheit temperature increase raises the tire&rsquo;s air pressure by approximately 1 to 2 PSIs. Similarly, a 10-degree temperature drop decreases it by 1 or 2 PSIs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Age<\/h3>\n\n\n\n<p>Older spare tires lose air pressure faster than newer spares due to punctures or wear and tear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Maintenance<\/h3>\n\n\n\n<p>Tires naturally lose pressure, but that happens faster when they&rsquo;re not used and maintained.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How Long Should You Use Spare Tires?<\/h2>\n\n\n\n<p><strong>You should only use your spare tire for 70 miles or less.<\/strong> Unless it&rsquo;s a full-size spare for long-term use, only rely on it until you get a proper tire that matches your OEM parts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Fast Should You Drive on the Spare?<\/h2>\n\n\n\n<p><strong>Experts recommend driving 50 miles per hour or less on spare tires.<\/strong> Any other restrictions are typically listed on the side of the tire itself.<\/p>\n\n\n\n<p>A smaller spare tire, or a donut, has an indication on its side which lists the recommended pressure and what speed you shouldn&rsquo;t exceed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Are the Types of Spare Tires?<\/h2>\n\n\n\n<p>Spare tires are lighter than regular tires to avoid adding a lot of weight to the vehicle. However, their exact specs depend on their type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Full-Size Spare Tires<\/h3>\n\n\n\n<p>Full-size spare tires match the stock tires&rsquo; specs and have longer lifespans compared to other types. It&rsquo;s best to include them in the vehicle&rsquo;s rotation pattern to ensure they share similar tread depth.<\/p>\n\n\n\n<p>A downside to using a full-size spare is it requires more cargo space due to having a similar size to their OEM counterparts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Full-Size Temporary Spare Tires<\/h3>\n\n\n\n<p>These spare tires also match the dimensions of OEM tires. However, unlike full-size spare tires, they&rsquo;re not meant for long-term use. They can take you to a nearby auto shop for a better tire replacement, as they tend to wear out after several miles.<\/p>\n\n\n\n<p>Temporary spares are lighter than full-size spares because they have a shallower tread depth and lighter-weight materials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Temporary or Compact Spare Tires<\/h3>\n\n\n\n<p>Temporary or compact spare tires, often called &ldquo;donut tires,&rdquo; are smaller and narrower than standard tires, so they&rsquo;re easier to load onto the vehicle and take up less cargo space.<\/p>\n\n\n\n<p>Doughnuts are designed to fit vehicles of specific makes and models. Additionally, like temporary spares, it&rsquo;s best to use them only until a proper tire replacement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tips When Using a Spare Tire<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-1024x683.jpg\" alt=\"man using spare tire on a black car\" class=\"wp-image-84616\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/man-using-spare-tire-on-a-black-car-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Check the tire for punctures or damage before installing it.<\/figcaption><\/figure>\n\n\n\n<p>Here are some tips to keep in mind for the best driving experience with your spare:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ensure the spare tire has a PSI of 60.<\/li><li>Check the tire for punctures, cracking, or damage before installing it.<\/li><li>Follow the recommended driving speed (usually 50 mph).<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ways to Maintain the Optimal PSI for Spare Tires<\/h2>\n\n\n\n<p>Follow these tips to ensure your spare tire always has the appropriate PSI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Regular Pressure Adjustments<\/h3>\n\n\n\n<p>Experts recommend checking spare tire PSI monthly or before long trips in case of tire blowouts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Proper Storage<\/h3>\n\n\n\n<p>Store your tires in a clean and cool location. Keep them away from heat sources to avoid damaging them.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Tire problems can be unpredictable. One moment you could be enjoying a scenic drive, and the next you could be&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/what-is-the-right-spare-tire-psi-and-other-faqs\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":84619,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3752],"tags":[3799],"ppma_author":[2607,3742],"class_list":{"0":"post-84615","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-wheels-and-tires","9":"tag-wheel-and-tire-package","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is the Right Spare Tire PSI? And Other FAQs - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out the importance of proper PSI in spare tires, why you should monitor PSI, tips when using a spare tire, and more.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/what-is-the-right-spare-tire-psi-and-other-faqs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is the Right Spare Tire PSI? And Other FAQs - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out the importance of proper PSI in spare tires, why you should monitor PSI, tips when using a spare tire, and more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/what-is-the-right-spare-tire-psi-and-other-faqs\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-31T08:46:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-03T02:22:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/05\/car-spare-tire-selective-focus-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1366\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/what-is-the-right-spare-tire-psi-and-other-faqs\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/what-is-the-right-spare-tire-psi-and-other-faqs\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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