{"product_id":"mobil-1-extended-performance-full-synthetic-motor-oil-5w-30-1-qt-6-pack-25-000-mile-protection","title":"Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-30 — 1 Qt (6-Pack), 25,000-Mile Protection","description":"\u003cp\u003e\u003cstrong\u003eMobil 1 Extended Performance 5W-30 is a full synthetic motor oil engineered to protect engines and maintain cleanliness for up to 25,000 miles or one year between oil changes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt from Mobil's advanced synthetic base stocks and specialty additives, this Extended Performance formulation targets long-term protection, deposit control, and reliable cold-start performance. It meets ILSAC GF-7 standards and is designed for modern gasoline engines that require a 5W-30 viscosity. Packaged here as six 1-quart bottles, this kit gives you enough high-performance oil for routine maintenance or multiple top-ups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect an engine over long service intervals?\u003c\/h3\u003e\n\u003cp\u003eMobil 1 Extended Performance uses a balanced blend of detergents, dispersants and anti-wear additives to reduce sludge and deposit formation. The formulation resists oxidation and breakdown so viscosity and protective films remain stable over extended miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGuards against deposits and sludge buildup for cleaner internals\u003c\/li\u003e\n  \u003cli\u003eFormulated to tolerate up to 25,000 miles or one year per fill\u003c\/li\u003e\n  \u003cli\u003eOxidation control helps preserve oil viscosity and lubricating film\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill my car start reliably in cold weather with 5W-30 Mobil 1?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5W cold-rating indicates easier flow at low temperatures, aiding quick oil circulation at startup. Faster flow reduces initial wear and improves protection during the critical cold-start period.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5W rating for improved cold-start pumpability\u003c\/li\u003e\n  \u003cli\u003eLow-temperature performance supports fast oil flow to bearings and cams\u003c\/li\u003e\n  \u003cli\u003eHelps reduce wear during frequent winter startups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this oil improve fuel economy or engine responsiveness?\u003c\/h3\u003e\n\u003cp\u003eMobil 1 Extended Performance is formulated to reduce internal friction and maintain cleaner parts, which can lead to modest fuel-efficiency benefits and smoother throttle response compared with worn or contaminated oil. Results vary with vehicle type and driving habits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-friction base oils can enhance engine efficiency\u003c\/li\u003e\n  \u003cli\u003eCleaner combustion-related components help preserve power delivery\u003c\/li\u003e\n  \u003cli\u003eMeets ILSAC GF-7 fuel economy-related specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance guidance should I follow when using this oil?\u003c\/h3\u003e\n\u003cp\u003eFollow the vehicle manufacturer's viscosity and specification recommendations before switching. If your vehicle accepts 5W-30 and GF-7-rated oil, this product can be used for extended drain intervals up to the stated limit, provided regular inspections and diagnostics show no issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm 5W-30 and ILSAC GF-7 compatibility with your owner's manual\u003c\/li\u003e\n  \u003cli\u003eObserve oil level and condition between long drains to detect leaks or contamination\u003c\/li\u003e\n  \u003cli\u003eReplace filters at recommended intervals to maximize performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mobil 1 Extended Performance 5W-30 in the six-quart pack is aimed at drivers who want a professional-grade synthetic oil for longer service intervals — including commuters, enthusiasts who perform their own maintenance, and fleet owners seeking extended drain capability. It’s suited to modern gasoline engines that specify 5W-30 viscosity and ILSAC GF-7 compliance, and to anyone looking for a high-selling, widely recommended motor oil to keep engines clean, efficient, and protected between maintenance visits.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long can I go between oil changes with Mobil 1 Extended Performance 5W-30?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mobil 1 Extended Performance is formulated for up to 25,000 miles or one year, whichever comes first; follow vehicle manufacturer guidance and monitor oil condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oil compatible with my car if it calls for 5W-30?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if your owner's manual specifies 5W-30 and accepts ILSAC GF-7 oils, this Mobil 1 formulation is compatible.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mobil","offers":[{"title":"Default Title","offer_id":55170328559959,"sku":"B00R5BH2HQ","price":89.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mobil1-extended-performance-front-packaging_902ff486-52e9-405b-ae3c-e1b4e6ab0823.jpg?v=1790427929","url":"https:\/\/britishgarage.co.uk\/products\/mobil-1-extended-performance-full-synthetic-motor-oil-5w-30-1-qt-6-pack-25-000-mile-protection","provider":"British Garage","version":"1.0","type":"link"}