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2019 Chevy Colorado Diesel Sees 8% Fuel Efficiency Drop

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John Goreham

Staff Writer

8-9-18

 

The 2019 Chevrolet Colorado 2WD Duramax diesel pickup sees its fuel efficiency drop by 8% for the new model year. As you can see from the EPA's official chart above. There is no listing for the 4x4 Colorado Duramax for 2019 yet. It may not be ready yet, or there may be a change in what GM is planning to offer. We suspect the former.

 

Coincidental to this discovery, our own Zane Merva is presently surrounded by GM employees who work specifically for the truck division. He is at the media launch for the new Silverado in the Western U.S. We have asked Zane if he might do some snooping and see if he can find out what happened for this model year. We looked closely at the fuel economy numbers for the various gasoline offerings in the Colorado line and none of those change for the new model year.

 

We'd like to tip our hat to the Bozi Tatarevic who posted a tweet on this subject this week. 

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So the city is down by 2 which lowered combined by 2?  I've noticed a lot of the ratings are dropping for many cars.  Did the EPA change their testing again?  Case in point the 2019 trucks with the new engines are no better than the current ones, and even 2019 Corvette and Camaro have dropped.   

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On 8/9/2018 at 3:08 PM, newdude said:

So the city is down by 2 which lowered combined by 2?  I've noticed a lot of the ratings are dropping for many cars.  Did the EPA change their testing again?  Case in point the 2019 trucks with the new engines are no better than the current ones, and even 2019 Corvette and Camaro have dropped.   

 

I was wondering the same thing. Ram made a ton of aerodynamic and weight reduction changes to the 2019 Ram 1500 and the truck's rating is identical to the 2018 Ram. The F-150 4WD 3.5EB w/ 10 speed dropped 1 MPG in combined fuel economy in 2018, even though both the city and highway numbers are identical between 2017 and 2018.

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The 2019 Silverado saw a very small increase in mpg rating.  It's becoming obvious why.  Real world is most likely a nice upgrade between 2018 and 2019 models.  

  • Thanks 1

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I'd bet more government exaust requirement changes...

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Posted (edited)

The EPA has been catching the cheater lately , so I'm guessing GM is playing it safe now.

 

Edited by Andy King

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My new 2019 Ram gets 13.7 in town and my former 3.5 EcoBoost, with more power, got 16 in town. I have the base 3.21 rear and the Ford had 3.55. 

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