We bring our 3 Duramax Diesel trucks back for the tow portion of our test! We compare loaded fuel economy and 0-60 times between a 2009 LMM (292k miles), a 2015 LML (220k miles), and a 2023 L5P (38k miles.) All trucks are GMC Sierra 2500 HDs (SLT trim if you were curious)
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26 сен 2024