# Trying to get the GM V4-V8 motor better MPG

**URL:** <https://forums.speedlife.net/t/trying-to-get-the-gm-v4-v8-motor-better-mpg/45218>\
**Category:** NYSpeed Automotive\
**Created:** [March 18, 2008, 10:49am UTC](https://forums.speedlife.net/t/trying-to-get-the-gm-v4-v8-motor-better-mpg/45218 "2008-03-18T10:49:16Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![240slide](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/240slide/32/5009_2.png) [@240slide](https://forums.speedlife.net/u/240slide)\
**Post date:** [March 22, 2008, 7:12pm UTC](https://forums.speedlife.net/t/trying-to-get-the-gm-v4-v8-motor-better-mpg/45218/6 "2008-03-22T19:12:02Z")

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I mean 18 isn’t too bad for a big truck, but when my mom’s suburban is getting the same gas mileage with the older v8 it doesn’t make sense that this new one isn’t doing better, but thanks for the advice I will see what Mike thinks.

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