New H3 Hummer owner

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05-19-2023, 08:43 PM

Lphillips

Junior Member

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Join Date: May 2023

Posts: 2

New H3 Hummer owner

Hello all, I am the new owner of a 2006 H3 Hummer. I know they are typical for not getting good gas mileage, I was curious if anyone knows of anyways I can increase my MPG?

05-20-2023, 12:03 PM

Golden Hurricane

Senior Member

Join Date: Aug 2022

Location: Texas

Posts: 197

LphillipsWelcome to the forum! Lot's of great owners with tremendous experience!
Gas mileage is more dependent on how you drive. When I bought the H3 back in Nov. 2022, my mileage driving home (250 miles) was only 14 mpg. This month I am averaging over 18 mpg and that is a real mix of town and highway driving. I also use a good quality fuel system cleaner in every other tank of gas. Hope this helps you. Happy Trails!

05-22-2023, 10:46 AM

TAINTER

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Join Date: Sep 2008

Location: SE Michigan

Posts: 5,931

Welcome to HF

05-22-2023, 02:01 PM

Doc Olds

Super Moderator

Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,208

Welcome. Maintain tire pressure at 38 PSI and start slowly as getting a heavy H3 to get moving uses a bunch of energy. Use top tier type fuel and enjoy!

05-22-2023, 05:12 PM

hummerz

Senior Member

Join Date: Jul 2012

Location: C-Town

Posts: 7,941

Quote:

Originally Posted by Lphillips

Hello all, I am the new owner of a 2006 H3 Hummer. I know they are typical for not getting good gas mileage, I was curious if anyone knows of anyways I can increase my MPG?