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<blockquote data-quote="rapala_09" data-source="post: 372878" data-attributes="member: 5376">I have the 5.3 in a 2013 tahoe and the 6.2 in a 2019 yukon. The 6.2 is leaps and bounds ahead of the 5.3 as far as power. Neither vehicle ever tows anything heavier than a boat, but even just driving it's evident. They also have vastly different transmissions in my case, so that could be deceiving? Idk.I have not really had problems with either. 78k on the 6.2 and have replaced some oil cooler hoses and the oil pan gasket. The 5.3 has 190k on it and have replaced a water pump and rear main seal. Both great engines and both drive down the road fine, the 6.2 just does it easier it seems. Fuel mileage is actually better in the 6.2 as well. roughly 15-16 for the 5.3 and probably around 17-18 in the 6.2.Just my experience.-Edit- you should note, that the 5.3 vortec in the 2013 models would be different than the 5.3 ecotec in the 2018 models I believe. I am not sure if there's a big performance difference.</blockquote>

[QUOTE="rapala_09, post: 372878, member: 5376"] I have the 5.3 in a 2013 tahoe and the 6.2 in a 2019 yukon. The 6.2 is leaps and bounds ahead of the 5.3 as far as power. Neither vehicle ever tows anything heavier than a boat, but even just driving it's evident. They also have vastly different transmissions in my case, so that could be deceiving? Idk. I have not really had problems with either. 78k on the 6.2 and have replaced some oil cooler hoses and the oil pan gasket. The 5.3 has 190k on it and have replaced a water pump and rear main seal. Both great engines and both drive down the road fine, the 6.2 just does it easier it seems. Fuel mileage is actually better in the 6.2 as well. roughly 15-16 for the 5.3 and probably around 17-18 in the 6.2. Just my experience. -Edit- you should note, that the 5.3 vortec in the 2013 models would be different than the 5.3 ecotec in the 2018 models I believe. I am not sure if there's a big performance difference. [/QUOTE]

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