Test Revealed Best Engine Oil: 0W 20 Vs 5W 20 Vs 0W 40 Vs 5W 40
Автор: Arrow Gearhead
Загружено: 2026-01-16
Просмотров: 43
Описание:
Over the last decade, ultra-thin oils like 0W-20 replaced older 10W-40 and 5W-40 grades due to emissions rules, fuel economy targets, and new engine designs. Meanwhile, 5W-30 stayed the most purchased grade because it balances efficiency and protection, and 5W-40 remained popular in turbo, diesel, and towing applications. But that transition raises a real longevity question: are thinner oils trading durability for fuel economy, or are they actually better for modern engines?
In this video, we compare 0W-20, 5W-20, 5W-30, and 5W-40 using real data — fuel economy vs wear protection, cold start performance vs HTHS film strength, and formulation chemistry vs emissions constraints — so you’ll understand when thinner oils make sense, when thicker oils still matter, and what protects your engine long-term.
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