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The 2014 Chevy EcoTec3 5.3L V8 Engine

Tuesday, May 7th 2013. | Review

The 5.3L V8, Chevy’s bread and butter pickup truck engine. What does it have in store for us in the 2014 Chevy Silverado and GMC Sierra?  Let’s find out! First off, by bread and butter I mean that this is Chevy’s middle of the line-up engine that will likely find its way into the highest percentage of trucks and SUV’s as compared to the 4.3L V6 and 6.2L V8. The displacement figure may be the same as the outgoing, dated, V8, but that is about the only thing it shares with the old 5.3L mill.

Let’s get right into the numbers that matter. The new 5.3L EcoTec3 V8 will deliver 355 horsepower and 383 ft-lb’s of torque. This is and increase of 40 horsepower and 48 lb-ft of torque. Especially the increase in torque will be much appreciated by buyers of new 2014 Silverado’s and Sierra’s. As this is the number that matters when it comes to hauling heavy loads and towing trailers.

EcoTec3 5.3-Liter V-8

However… Horsepower and Torque aren’t the only numbers that matter, with today’s fuel prices people, more than ever, shop with MPG’s on their mind. Chevy impresses us here too with figures of 16 mpg’s in the city and 23 mpg’s on the highway. That is with a 6 speed automatic and two wheel drive, when you tick the 4WD option it’ll only cost you 1mpg on the highway (city remains the same). These are impressive numbers, but if it isn’t good enough for you, you’ll have to be a little more patient till Chevy has its 8 speed transmission available.

How does this stack up to the competition? Chevy narrowly beats out Ford’s, now well-established, 3.5l EcoBoost engine which has a rating of 16 city and 22 highway. With the new 8 speed on the way we’ll be anxious to see how Ford will retaliate, as this new transmission should give Chevy a slightly more substantial lead than it already has.

Next up, we have towing performance! How does the new EcoTec3 5.3l stack up here? Very well! The new engine offers a class leading towing capacity of 11,500 pounds, this beats out Ford’s EcoBoost by 200 pounds and Ram’s 1500 by over 1,000 pounds.

EcoTec3 6.2-Liter V-8

Is this not enough power for you? GM promises us they’ll have numbers available for its range-topping 6.2 EcoTec3 V8 soon. This engine will be released later than the base 4.3l V6 and mid-range 5.3l V8.


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