{"id":893,"date":"2026-05-26T12:08:40","date_gmt":"2026-05-26T11:08:40","guid":{"rendered":"https:\/\/www.enginesolutionsltd.co.uk\/blog\/?p=893"},"modified":"2026-05-26T12:35:19","modified_gmt":"2026-05-26T11:35:19","slug":"range-rover-sport-vs-defender-3-0-p400-engines-guide","status":"publish","type":"post","link":"https:\/\/www.enginesolutionsltd.co.uk\/blog\/range-rover-sport-vs-defender-3-0-p400-engines-guide\/","title":{"rendered":"How Does the 3.0L P400 Petrol Engine Perform in the Range Rover Sport vs. Defender?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The 3.0-litre P400 inline-six petrol engine is one of the most capable powerplants Land Rover has ever produced, yet it performs and feels surprisingly different depending on whether it sits inside a Range Rover Sport or a Defender. At Engine Solutions in Grays, UK, we work on these engines daily \u2014 from engine replacement and engine rebuild to reconditioned engines and full supply and fit services. Whether you are looking to buy a <a href=\"https:\/\/www.enginesolutionsltd.co.uk\/range-rover-engines\">Range Rover engine<\/a> or shop for a reliable rebuilt unit, understanding how the P400 behaves in each model is essential. This guide breaks it all down clearly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is the 3.0L P400 Engine? Specs and Engine Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Land Rover 3.0-litre P400 is a straight-six turbocharged petrol engine producing 400PS (395bhp) and 550Nm of torque. The official engine code is <strong>306PS<\/strong> \u2014 part of Jaguar Land Rover&#8217;s Ingenium family \u2014 paired with a 48V mild-hybrid MHEV system. It uses a belt-integrated starter generator (BISG) to recover energy during braking and redeploy it during acceleration. This engine is found in the Range Rover Sport (L461), Defender 110, and full-size Range Rover (L460). If you need to buy a Range Rover engine with this specification or want to shop for a reconditioned P400 unit, <a href=\"https:\/\/www.enginesolutionsltd.co.uk\/\">Engine Solutions<\/a> in Grays stocks and supplies tested units with no upfront charges required.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P400 Performance in the Range Rover Sport \u2014 Power and Refinement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In the Range Rover Sport, the P400 engine code 306PS is tuned for road performance and refined long-distance driving. With adaptive air suspension and a lower centre of gravity than the full-size Range Rover, the Sport channels the P400&#8217;s 550Nm of torque into confident, responsive acceleration. The 0\u201360mph sprint takes approximately 5.5 seconds \u2014 impressive for a vehicle of this size and weight. The eight-speed ZF automatic gearbox shifts smoothly, and the MHEV system keeps fuel consumption competitive around the 30mpg mark. For owners needing engine replacement or an engine rebuild on a Sport P400, Engine Solutions provides professional supply and fit services with full post-installation testing and no advance payment needed at booking.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P400 Performance in the Defender \u2014 Torque, Terrain and Durability<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In the Defender 110, the same P400 engine code 306PS is asked to do something very different. The Defender&#8217;s focus is on low-speed torque delivery, off-road traction management, and durability under demanding conditions. While the 0\u201360 time is slightly slower than the Sport at around 6.1 seconds due to the Defender&#8217;s heavier, more upright body structure, the P400 excels in mid-range grunt \u2014 exactly what is needed when navigating rough terrain, towing heavy loads, or tackling deep ruts. The Terrain Response 2 system integrates closely with the engine management to modulate power output precisely. If you need to <a href=\"https:\/\/www.tiktok.com\/@enginesolutionsltd\/video\/7637960203958357270?_r=1&amp;_t=ZN-96Gqxb6r0PT\">shop<\/a> for a reconditioned Range Rover engine for a Defender P400, Engine Solutions in Grays supplies fully rebuilt units ready for fitting.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Tuning Differences Affect the Same Engine Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Although both vehicles share the P400 engine code 306PS, Land Rover applies different software calibrations depending on the platform. The Range Rover Sport version is mapped for sharper throttle response, faster gear changes in Dynamic mode, and prioritises on-road agility. The Defender calibration prioritises sustained torque at low RPM, better off-road crawl management, and increased thermal tolerance for prolonged heavy use. This means that during engine replacement, it is critical to use the correct ECU mapping for each platform. At Engine Solutions, our technicians are trained in both calibrations \u2014 ensuring every engine rebuild, reconditioned engine supply, or supply and fit service is completed to the exact specification of your vehicle, whether Sport or Defender.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fuel Economy and Efficiency Comparison \u2014 Sport vs. Defender<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The P400&#8217;s 48V MHEV system benefits both models, but real-world fuel economy differs noticeably. In the Range Rover Sport, the P400 achieves around 28\u201332mpg on a mixed cycle thanks to its more aerodynamic body and road-focused weight distribution. The Defender, with its boxy shape and higher drag coefficient, typically returns 25\u201329mpg under similar conditions. The BISG energy recovery system on both provides meaningful savings in urban stop-start traffic \u2014 up to 15% in some driving conditions. When you <a href=\"https:\/\/www.ebay.co.uk\/usr\/enginesolutionsltd\">buy<\/a> a reconditioned Range Rover engine from Engine Solutions in Grays, every unit is bench-tested to ensure the MHEV components function correctly and deliver the fuel efficiency figures these engines are designed to achieve from day one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Engine Replacement and Rebuild Considerations for P400 Models<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you drive a Range Rover Sport or Defender with a P400 engine, engine replacement and engine rebuild work on these models requires specialist knowledge of the 306PS Ingenium architecture. The integrated 48V BISG, variable valve timing system, and twin-scroll turbocharger demand precision during any strip-down or reassembly. At Engine Solutions in Grays, our fully equipped workshop handles the complete process \u2014 from strip-down and machining to full reassembly and calibration. We stock <a href=\"https:\/\/www.reconditionedjlrengine.co.uk\/\">reconditioned JLR engines<\/a> and supply <a href=\"https:\/\/www.rangeroverenginespecialist.co.uk\/\">Range Rover engine for sale<\/a> options for both Sport and Defender applications. Our no deposit required policy means you do not pay anything upfront \u2014 you only pay after your engine replacement or rebuild is completed and the vehicle is fully tested and ready to collect.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Logistics \u2014 How Engine Solutions Delivers Across the UK and Worldwide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">At Engine Solutions, we understand that not every customer is local to Grays, Essex. That is why we operate a comprehensive logistics network to supply and deliver reconditioned engines and engine rebuild parts across the UK and internationally. We specialise in end-to-end vehicle and engine shipping solutions tailored for dealerships, businesses, and private owners \u2014 covering both domestic road transport and international freight by air and sea. Every P400 engine we dispatch is fully crated, secured, and accompanied by. Complete documentation including engine code verification and test records. We manage customs clearance and import\/export paperwork for international orders. Whether you are a trade garage in Scotland or a private buyer in Europe, when you shop with. Engine Solutions you get professional <a href=\"https:\/\/www.enginesolutionsltd.co.uk\/logistics\">logistics<\/a> from start to finish \u2014 with no upfront charges at any stage.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"580\" src=\"https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-1024x580.jpeg\" alt=\"no charges\" class=\"wp-image-846\" srcset=\"https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-1024x580.jpeg 1024w, https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-300x170.jpeg 300w, https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-768x435.jpeg 768w, https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-1536x870.jpeg 1536w, https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM-600x340.jpeg 600w, https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-18-at-6.33.22-PM.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why Buy Your P400 Range Rover Engine From Engine Solutions?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Engine Solutions in <a href=\"https:\/\/www.google.com\/search?q=engine+solutions+ltd&amp;rlz=1C1CHBF_en-GBPK1177PK1177&amp;oq=engine&amp;gs_lcrp=EgZjaHJvbWUqBggDEEUYOzIGCAAQRRg8MgYIARBFGDwyBggCEEUYPDIGCAMQRRg7MgwIBBBFGDkYsQMYgAQyBggFEEUYPDIGCAYQRRg8MgYIBxAFGEDSAQgzNTQ4ajBqNKgCALACAQ&amp;sourceid=chrome&amp;ie=UTF-8\">Grays<\/a>, Essex is the trusted choice for P400 engine replacement. Reconditioned engines, engine rebuild, and supply and fit services across the UK. We offer high-quality reconditioned and replacement engines with professional supply and fit services, affordable prices, fast delivery, and warranty included. Every P400 unit we supply \u2014 whether for a Range Rover Sport or Defender \u2014 is stripped, inspected, machined. And rebuilt to OEM standards with new seals, gaskets, timing components, and bearings. Our team understands both the 306PS engine code and the platform-specific calibrations needed for each model. When you buy through Engine Solutions, you get expert advice, full warranty cover, and our industry-leading no deposit required promise. Contact us today for a free quote on your P400 Range Rover engine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions (FAQs)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What is the engine code for the Land Rover 3.0L P400 petrol engine?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The engine code for the 3.0-litre P400 is <strong>306PS<\/strong>, part of JLR&#8217;s Ingenium inline-six family. It is used in the Range Rover Sport, Defender 110, and full-size Range Rover L460.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Can I buy a reconditioned P400 Range Rover engine from Engine Solutions?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Engine Solutions in Grays, UK stocks reconditioned P400 Range Rover engines for both Sport and Defender applications. All units are fully tested and supplied with warranty \u2014 and no deposit is required at the time of booking.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Does Engine Solutions offer supply and fit services for the P400 engine?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Absolutely. Our workshop in Grays, Essex provides complete supply and fit services for the P400 engine. Iincluding post-installation calibration and MHEV system checks. You pay only after the work is completed to your satisfaction.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Can Engine Solutions deliver a reconditioned Range Rover engine outside the UK?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\\Yes. We operate a full logistics network covering UK-wide delivery and international shipping by road, air, and sea. We also handle customs clearance and export documentation for overseas customers who shop with us.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What is the difference between engine replacement and engine rebuild for a P400 model?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Engine replacement means fitting a fully reconditioned or new unit in place of your existing engine. An engine rebuild involves dismantling your current engine, replacing worn components, and reassembling it to factory specification. Both services are available at Engine Solutions with no upfront charges required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 3.0-litre P400 inline-six petrol engine is one of the most capable powerplants Land Rover&#8230;<\/p>\n","protected":false},"author":1,"featured_media":895,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[7,47,29,37,28,4,6,5],"class_list":["post-893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-range-rover-engines-guide-repairs-replacement-tips","tag-engine-solutions-ltd","tag-range-rover-5-0-engine","tag-range-rover-engine-2-0","tag-range-rover-engine-3-0-l","tag-range-rover-engine-replacement","tag-reconditioned-engine","tag-reconditioned-engine-for-sale","tag-reconditioned-engines"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Range Rover Sport vs Defender 3.0 P400 Engines Guide<\/title>\n<meta name=\"description\" content=\"Compare the 3.0L P400 engine in Range Rover Sport vs Defender. Buy reconditioned Range Rover engines in Grays, UK. No deposit. Supply, fit.\" \/>\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.enginesolutionsltd.co.uk\/blog\/range-rover-sport-vs-defender-3-0-p400-engines-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Range Rover Sport vs Defender 3.0 P400 Engines Guide\" \/>\n<meta property=\"og:description\" content=\"Compare the 3.0L P400 engine in Range Rover Sport vs Defender. Buy reconditioned Range Rover engines in Grays, UK. No deposit. Supply, fit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.enginesolutionsltd.co.uk\/blog\/range-rover-sport-vs-defender-3-0-p400-engines-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Engine Solutions\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/web.facebook.com\/enginesolutionslimited\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-26T11:08:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-26T11:35:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.enginesolutionsltd.co.uk\/blog\/wp-content\/uploads\/2026\/05\/WhatsApp-Image-2026-05-26-at-4.16.55-PM.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kylie White\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@engsolutionsltd\" \/>\n<meta name=\"twitter:site\" content=\"@engsolutionsltd\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kylie White\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/\"},\"author\":{\"name\":\"Kylie White\",\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/#\\\/schema\\\/person\\\/b0ace167e644fe0d5bc4f8d37449eaa8\"},\"headline\":\"How Does the 3.0L P400 Petrol Engine Perform in the Range Rover Sport vs. Defender?\",\"datePublished\":\"2026-05-26T11:08:40+00:00\",\"dateModified\":\"2026-05-26T11:35:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/\"},\"wordCount\":1382,\"publisher\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/WhatsApp-Image-2026-05-26-at-4.16.55-PM.jpeg\",\"keywords\":[\"Engine Solutions ltd\",\"Range Rover 5.0 Engine\",\"Range Rover Engine 2.0\",\"Range rover engine 3.0 L\",\"Range Rover Engine Replacement\",\"Reconditioned Engine\",\"Reconditioned Engine For Sale\",\"Reconditioned Engines\"],\"articleSection\":[\"Range Rover\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/\",\"url\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/\",\"name\":\"Range Rover Sport vs Defender 3.0 P400 Engines Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/range-rover-sport-vs-defender-3-0-p400-engines-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.enginesolutionsltd.co.uk\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/WhatsApp-Image-2026-05-26-at-4.16.55-PM.jpeg\",\"datePublished\":\"2026-05-26T11:08:40+00:00\",\"dateModified\":\"2026-05-26T11:35:19+00:00\",\"description\":\"Compare the 3.0L P400 engine in Range Rover Sport vs Defender. 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