Overkill? I don't think so. With a direct injection turbocharged engine I believe in using a quality synthetic oil with 5K OCIs.
I have a 23 Colorado with the 2.7L TurboMax. It gets M1 EP changed every 5k miles. Currently at 10K miles with about 2K miles hauling a 3,500 pound travel trailer. Runs great and first UOA was perfect.
I have a 23 Colorado with the 2.7L TurboMax. It gets M1 EP changed every 5k miles. Currently at 10K miles with about 2K miles hauling a 3,500 pound travel trailer. Runs great and first UOA was perfect.