I have 2008 Sonata LTD 3.3 V6. The book says 6 qts of oil with filter change. My dealer said that it took only 5 qts. Who is right, Owners Manual or the dealer?
People get easily confused because Hyundai publishes capacities in liters, US quarts and Imperial quarts and they don't bother to read the footnotes. This table is from the Hyundai service site. The footnote shows that the first number is in liters and those in parentheses are US and Imperial quarts, respectively. So daveagre's Sonata has a pan capacity of 5.81 US quarts plus a filter capacity of 0.42 quarts for a total of 6.23 US quarts. What I cannot figure out is the "drain and refill" capacity, maybe someone else knows.
So what do I do with my 08 Sonata V6? The first time I checked the dip stick after I had drained and refilled the oil with 5 quarts, changed the filter and started the engine to load up the filter. I then added a 6th quart. I now just pour in 6 quarts and call it good since that is very close to the top mark on the stick.
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Oil Capacity - 
