2024 Z71 mpg .. can it be this bad?

carsenault300 · Nov 19, 2024

Thanks everyone for all the insightful replies.

Never really thought about the different weight on the wheels/tires compared to the RST stock setup.

I'll post an update once we get past 1,000 miles, and see what's going on at that time.

djnice · Nov 23, 2024

jd08 said:
Back roads 45-60 mph. Freeway 70-75 mph.

For some people the 6.2 gets better mpg than 5.3. Makes no sense. With my 5.3 I can only get 18 mpg at 70 but I have lift and tires like OP.

jd08 · Nov 23, 2024

djnice said:
For some people the 6.2 gets better mpg than 5.3. Makes no sense. With my 5.3 I can only get 18 mpg at 70 but I have lift and tires like OP.

Our Tahoe 6.2L is stock, so that helps alot. And try to not to have a lead foot.

Once I put the heavier winter tires and wheels on it does go down 2-3 mpg. Plus winter blend gas doesn't help.

jfoj · Monday at 12:10 PM

Keep in mind while the engine is idling and the vehicle is not moving you are geting exactly 0 MPG! The more remote starting is used and the more time is spent at stop lights, stop signs, drive thrus and kid drop off and pick up with the engine running, this will KILL the Average MPG with a lot of 0 MPG idle time.

SavageDad · 2024-12-03T11:22:15-0500

Apparently her father used to criticize her mother a lot so any efforts to teach her anything or help her improve anything is ignored, balked at, etc like I'm talking to one of our kids. I use cruise control on the freeway or long stretches of surface streets all the time and I think that along with braking early/not charging every stoplight/sign is most of what attributes to my fuel efficiency, but she can't be bothered.

SavageDad · 2024-12-03T11:23:39-0500

jfoj said:
Keep in mind while the engine is idling and the vehicle is not moving you are geting exactly 0 MPG! The more remote starting is used and the more time is spent at stop lights, stop signs, drive thrus and kid drop off and pick up with the engine running, this will KILL the Average MPG with a lot of 0 MPG idle time.

Agreed, but remote start also means a warm butt first thing in the morning.

2024 Z71 mpg .. can it be this bad?

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