ricoisme26
Active member
What year 6.0 and what transmission? Chevy made a lot of them for a lot of years… I have no doubt some will return good mpg and others not so good
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The new 7.3 - how is it
- Thread starter Chorky
- Start date
What year 6.0 and what transmission? Chevy made a lot of them for a lot of years… I have no doubt some will return good mpg and others not so good
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rruff
Explorer
FYI, Fuelly has the Tundra at 14 mpg and the F250 7.3 at 11.5 mpg. Pretty substantial difference. And my Tundra with 35s averages >16 around town (not many stops). On the freeway at 75-80 it's 15-16 typically.
Trixxx
Well-known member
Huh? Based on what? The powerstroke towing a 40’ trailer?
I have about 23k miles on my 2020 powerstroke. Even with my leveling kit and 37’s I’ll get 18-19 mpg at 70-75 mph all day long. If I were to drop down to 55 mph, 22-23 mpg could definitely be achievable.
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Deleted member 9101
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Both of my Tundra's got 11-12 in town and 16-18 on the HW....which is about the same as my F250 with the 6.2 at work with 500-1000lbs in the bed...lol.
With the way I drive...the 7.3 and 10 speed would most likely net the same MPG as a Tundra.
phsycle
Adventurer
Yeah, but don’t forget to disclose yours is a single cab, if I remember right.
And another factor may be the HD’s typically are used for actual truck duties. ie Towing and Hauling.
2021 Ram 2500 Cummins - 18-20 mpg @ 76/78 mph highway all day long. High 500’s range - even crossed into 600’s dropping to 72 mph cruise. Absurdly efficient from my diesel novice perspective. I’m new to the platform so reliability remains in question…
rruff
Explorer
It's a double cab + 8ft bed... it's the big one.
Yet Fuelly has them 14 mpg vs 11.5 mpg. Everyone's use case is different, but I think their data from hundreds of vehicles is good for comparison.
Somewhat skewed certainly... though I think Fuelly would be personal vehicles, and the great majority of F250s I see are hauling nothing more than a payload of people.
phsycle
Adventurer
Ah, ok. Is it an SR? Either way, you’re the freaky outlier. I have 3 Tundras in my family group and they’re all <14mpg on the highway and worse in town.
Tex68w
Beach Bum
That's not accurate at all. I see 17-18 in town and 19-21 on the highway hand calculated and corrected speedo in my 3500 CTD on 37's. Most of the Fuelly numbers for diesel trucks are from those posting while towing/loaded.
Porkchopexpress
Well-known member
I had a 2010 Tundra with crew cab for about 5 years. I never saw 18 mpg, even highway. I'm guessing that I am seeing 2-3 mpg less in my F350 than my Tundra the way I drive in similar terrain. I'm guessing with a load or towing, that difference would narrow to pretty much nothing. I bought the truck to haul a camper so the empty mpg isn't a huge concern.
I have never lifted or increased tire size on my trucks.
I have never lifted or increased tire size on my trucks.
Chorky
Observer
I would be curious what your calculated loaded mpg would be. If you ever get that.
Porkchopexpress
Well-known member
I’m picking up a pop up camper in early November that will weigh about 2700 loaded. Unfortunately it has been delayed from supply shortages. Once I get it, I will be driving several thousand miles right away on a 3 week vacation and will post mpg numbers.
DirtWhiskey
Western Dirt Rat
All righty, I'll step in it right now. I know how these conversations go. If you can get 23 in that beast, I'll eat my shoe. And my shoe is GROSS. Does it give you free cable TV too?
DirtWhiskey
Western Dirt Rat
Mine moves a bigazz 3500HD around like the Egyptians moved the great pyramid stones. It makes more noise than power. It on its 2nd engine, which at 7500 miles just dropped oil pressure. Again. Oil pump (fingers crossed I didn't blow a rod), a very very well known issue, requires dropping the pan, the diff, front engine cover, timing cover, front clip, dancing around in swirls doing a rain dance for seven hours, etc. Did I mention it's a turd? I can squeeze 12 to 13 if I'm light in the foot. Most often I'm at 10 or 11 because: Utah hills and trailers. A curse upon Chevy for the LS engine design.
That new 7.3 looks awful nice. Should be pretty easy to get more power and torque out of as well.