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In the 2014 Acura RDX, the 3.5 liter V6 engine requires 7 US quarts of 0W-20 oil along with a filter. It is recommended to have the oil and filter replaced every 7,500-10,000 miles or every 12 months if using fully synthetic lubricants, and every 3,000-5,000 miles or every 6 months if using conventional oil. The benefits of using synthetic over conventional oils include improved lubrication for moving parts, longer time between service visits, and better performance in extreme weather conditions. Synthetic oils with lower viscosity flow more smoothly in cold temperatures, effectively coating engine components and offering superior protection against friction and corrosion. The cost for a lube and filter service typically falls between $170 and $230, covering both parts and labor.
It requires 4.5 quarts, not 7 quarts.
In 2014, the Acura RDX requires top-quality 0W-20 detergent oil that is officially certified by the API and comes with a seal on the packaging. It is highly advised to stick with Acura's own Genuine Motor Oil for optimal performance.