Here Are The Best Years For The 6.6 Duramax Engine (And The Ones You Should Avoid)
The 6.6L Duramax diesel engine has made an appearance in the Chevrolet Silverado and the GMC Sierra over the years, and both ...
Hosted on MSN1mon
How Many MPG Does A 6.6 Duramax Get? Here's What Drivers Are Saying
Read more: A Quick Guide To GM's Ecotec3 5.3L V8 Engine: What You Need To Know In one Reddit discussion about the fuel economy of the 2024 GMC Sierra 2500HD Denali Ultimate 6.6 Duramax ...