The Cool Down on MSN
GM teases 8.3-liter 'Mongoose,' its biggest engine ever, as diesel prices soar
If this large diesel is tuned to chase standout power figures more than efficiency, fuel use will be high.
For 2027, the Silverado HD and Sierra HD also have higher tow ratings and finally switch to a more sophisticated steering ...
GM's 8.3-liter Duramax diesel leads a comprehensive remake that includes electronic steering and brake tech.
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