r/Trucks • u/Nervous-Material4738 • 23h ago
Discussion / question How’s the reliability on these? 2021 GMC Sierra 2500 with the 6.6 gasser. It would basically be my daily driver that occasionally tows my boat and gets me up to the mountain 30 times a year. Also looking at a 2023 1500 with the baby Duramax. How does reliably compare?
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