a tester for sister site pickuptrucks.com recently had a chance to get behind the wheel of the new 2019 chevrolet silverado in a few different used engine configurations. here's what we learned.
the four-cylinder is impressive
the new base used engine for the silverado 1500 is a turbocharged 2.7-liter four-cylinder making 310 horsepower and 348 pounds-feet of torque. that's the same displacement as ford's 2.7-liter ecoboost v-6, but with slightly lower horsepower and torque figures. nonetheless, our tester found the used engine responsive and the reduced weight — 80 pounds saved from the old 4.3-liter v-6, which is still available — added to the overall light and nimble feel of the new silverado.
there's a new cylinder deactivation system ...
for buyers looking for a little more power, there are two versions of a 5.3-liter v-8 used engine available. one version comes with a new cylinder deactivation system chevrolet calls dynamic fuel management. dfm can switch the v-8 to a v-4 like the old system, with the added wrinkle of deactivating even more cylinders. it can even operate the used engine on one cylinder. the same system is also available on the larger 6.2-liter v-8. epa fuel-economy numbers haven't been released yet, however, so we can't know for sure if this is an improvement.
... and it involves ... ugh ... math
the real downside is that chevrolet made our tester do math. while driving around in the silverado, chevrolet attached a second display that indicated the dfm used engine mode using a fraction — 1/2 is straightforward and means the used engine is operating as a v-4; anything beyond that gets too complicated for my dumb brain to explain. you can find a better explanation in the related link above. fortunately, owners won't have to worry about this information while driving.
once we have fuel-economy numbers, as well as towing and payload figures, we'll be better able to figure out just how revolutionary the silverado 1500's updates really are.
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