2016 Tahoe 5.3 195K miles
Out 0w20 Mobil 1 EP
In 0w20 AC Delco [Stealership oil as it was there for a issue on a road trip} Will go back to Mobil 1 next time around.
I have had my 2016 5.3 Tahoe for almost 10 years and 190K miles and do not agree the 5.3 is weak. Been everywhere with it.
I would have bought a Suburban or Yukon XL but in summer months spend a lot of time in NYC and parking would be tight [even in a lot of parking garages] in...
Still miss my 2005 Crown Vic. Sold it back in 2016 for 2K bucks. Had 300K miles on it. Besides regular maintenance only needed a water pump and a/c work. Nothing else. Wish I kept it. It was the lowest maintenance vehicle I ever owned or ever will own.
I vote for the Suburban.
I have a 2016 Tahoe [5.3] which easily gets 24 MPG if it is all highway. I only use 87 octane. I have 186K miles on it right now and regularly take long trips. These vehicles are NOT gas guzzlers. Plus the 2015-2020 years hold 26 gallons of fuel so you can go over 500...
I have 180K miles on my 2016 5.3 Hoe. Uses zero oil between the 5-6K mile OCI. I use 0W20 Mobil 1 EP but if I am on a road trip the dealer puts in 0W20 AC Delco. I do both highway and NYC gridlock.