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Old 05-27-2019, 12:17 AM   #26 (permalink)
Tahoe_Hybrid
Master EcoModder
 
Join Date: May 2019
Location: California
Posts: 513

2020 - '08 Chevy Tahoe H
Last 3: 18.4 mpg (US)

2021 - '08 Chevy Tahoe H
90 day: 17.08 mpg (US)

2022 - '08 chevy Tahoe LT
Last 3: 14.38 mpg (US)

2023 - '08 Chevy Tahoe
Last 3: 22.61 mpg (US)

2024 - '08 Chevy Tahoe
90 day: 22.35 mpg (US)
Thanks: 2
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Quote:
Originally Posted by Hersbird View Post
It's not wierd, it's just physics. I don't think it's going to get
a 30mpg tank no matter what you do. Good aerodynamics are one thing, massive frontal aera is another. I think 25mpg at 60 mph and under would be possible but not 30. I've had a few Suburbans and although never one newer than 2005. I do know my smaller minivan with a very efficient latest generation v6 will only barely touch 30 mpg at 60 mph. Already lower, very clean underbelly, highway gearing, 6 speeds and only 2wd. We did have a 2003 5.3 4x4 Burb that would hit 22mpg around 60, my current 2500hd 2001 was getting only 15.2 mpg across Washington but running 70 mph with 7 people and gear and it has 235,000 miles on it and aggressive AT tires, the 6.0 and heavy duty everything. My 5.7 hemi Chrylser Aspen, slightly smaller than a Suburban but just as aerodynamic, with 5 speed and cylinder deactivation would just barely get 20 mpg at 55-60 and running 70 deactivation never happened and was more like 17-18 mpg. I do agree as full size real SUVs go, the Suburban is the way to go. A Tahoe does no better but gives up room and seems to cost more on the used market. The Fords just haven't been reliable, and Dodge just only made them a few years 2003-2009. The Toyotas are overpriced and do about the worst on FE for some reason. That said, craigslist or publicsurplus.com is full of under $1500 cars that will get 30 mpg all day. Suburbans will always be available when you do really need one and 2 years down the road the $1500 car will still bring $1500 and the same Suburban you sell will be $3000 less to replace.
Hitting 40MPG in the city with my Tahoe RWD with the 6.0L engine
Running aggressive tires...

Hybrid of course as I have figured out how to game the system (ECU) to MAXIMIZE city MPG....
40 city US-MPG /27 US-MPG Highway


on the Sub vs Tahoe cost

it's down to the size and the ease of parking it that is why it's more popular (and why i bought one)


He is chasing a pipe dream... esp since 4x4 is an automatically a penalty MPG wise
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