What is the best oil for summer heat?
                                
                                
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                                    4 min read                                
                            
                                According to a 2017 AAA study, synthetic engine oils outperform conventional oils by 47% in critical tests for stability and resistance to thermal breakdown, making them an excellent choice for summer heat. To find out what is the best oil for summer heat for your specific vehicle, you need to consider the oil's viscosity, type, and your car's age.