General Motors' Duramax diesel engine lineup has been powering GM trucks and SUVs and enthralling gearheads since its original release in 2001. While the most famous member of the Duramax roster ...

No fewer than 461,839 full-size trucks and sport utility vehicles equipped with Duramax turbo ... the big-boy diesel engine L5P. Introduced for the 2017 model year, the 6.6-liter unit was improved ...

As was the case previously, the new Sierra HD is available with two engines, both of which pair to a 10-speed Allison automatic transmission. The 6.6-liter Duramax ... it to go on sale in the ...

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