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Discussion Starter #1
Towed a car + engine up to Sacramento, came back to LA empty. 15.5mpg averaged over 375 miles of cruising at 75-80mph with no load. Cruise control set for much of it. Is this normal? My Avalanche would do 18 on the same run, though it had bed covers.

It's an 08 LE 4x4 with 46k on it. I was running 87, had ~40psi in the tires and I ran a Seafoam treatment recently.
 

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Thats about right for a 4x4.
I just got 14.5 on a complete 280 mile highway run
 

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doesnt sound too bad...my 2wd w/ 2.94s does about 16-16.5mpg and i drive mainly interstate. only have 10k on mine
 

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I pull a car hauler.
The best I ever got was 19 empty in slow traffic.
I routinely get 15-16 with a car on. 16.5 empty at the speed limits.
I have big tow gears and I load and tow all the time. I am 4x4 crew cab. Most of the time, I have 4 guys in the truck and who knows what else in the bed, back seat, and in the car on the trailer.
I always run 87 and I have a 2 degree advance on.

Worst I ever got was 10 with nasty headwinds in the 40 mph range coming at me.

I run 40 psi on stock tires.

I pull in OD all the time but I do drop 4th for bad pavement, slight inclines, and sometimes 3rd when I want all my ponies pulling me over a hill or if I have to use offense for defense.

I load/pick up many cars from a pretty nasty location where 4WD is your friend. Low range.

Overall, I think you are oaky with your mileage.

I hope you love your truck as much as I love mine.
Mine is a towing champ and serves me well.
 

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I pull a car hauler.
The best I ever got was 19 empty in slow traffic.
I routinely get 15-16 with a car on. 16.5 empty at the speed limits.
I have big tow gears and I load and tow all the time. I am 4x4 crew cab. Most of the time, I have 4 guys in the truck and who knows what else in the bed, back seat, and in the car on the trailer.
I always run 87 and I have a 2 degree advance on.

Worst I ever got was 10 with nasty headwinds in the 40 mph range coming at me.

I run 40 psi on stock tires.

I pull in OD all the time but I do drop 4th for bad pavement, slight inclines, and sometimes 3rd when I want all my ponies pulling me over a hill or if I have to use offense for defense.

I load/pick up many cars from a pretty nasty location where 4WD is your friend. Low range.

Overall, I think you are oaky with your mileage.

I hope you love your truck as much as I love mine.
Mine is a towing champ and serves me well.
wow...thats pretty amazing. wish mine got gas mileage like that. there is a lot of hills around here though. last time i towed 4k and got 14mpg over a 200mile trip w/ a mix of highway/city and traffic. my tall gears probably dont help much with the load.
 

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wow...thats pretty amazing.
I am a professional driver.
I get paid to rock the car hauler almost every load. I won't hook that thing up for free. I have to make it pay. So far, so good.
The Titan was part of my investment strategy.
It's paying off nicely.


I had a 454 GM 2500 before.
 
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Try slowing down. I can get 18 mpg with a 2wd CC with BT gears and heavier/larger E rated tires going 65 mph on open highway. You have to pay to go fast. Towing my 3500lb travel trailer I get anywhere from 10 to 13 mpg.
 

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I averaged a little over 16 going to the OT meet and back. Got back in town and it dropped to a little under 15. Not towing anything, doing 75 on interstate.
 

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You've got a 3 ton four wheel drive truck with a fire breathing monster under the hood doing 75-80 mph and you think 15.5 mpg is low? :bangit:

Comparing an Avalanche to a Titan is apples to oranges. Plastic truck with wimpy engine vs Titan.
 

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Discussion Starter #13
Actually the new Avalanche has more hp than a Titan. I knew these had poor MPG guess I'm just surprised at how low it is. I know EPA #s are bs but I generally get around that at a gentle freeway cruise in my other cars. Guess it's normal, thanks.
 

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I don't get it... are you gripping about 15.5? That's damn good. I can get that if I put the cruise on and keep it under 65, but at 70 I'm getting 14.5. You will not get 18 like the Chevy, but you will not spend the extra $10,000 because the name is Chevy. What's more important in the long run? The name of Chevy, or a bad *** T that costs a lot less?
 

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Discussion Starter #15
I don't get it... are you gripping about 15.5?
I'm asking if it's normal. I've owned this truck for a thousand miles and I'm not familiar with it. This is the first long trip I've gone on. Why is everyone getting so defensive about this?
 

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I averaged a little over 16 going to the OT meet and back. Got back in town and it dropped to a little under 15. Not towing anything, doing 75 on interstate.
That's better than the 11.5 I got on the highway going about 80 :lol:
 

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That's because you were hauling all those awards home. :jester:
 

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Actually the new Avalanche has more hp than a Titan. I knew these had poor MPG guess I'm just surprised at how low it is. I know EPA #s are bs but I generally get around that at a gentle freeway cruise in my other cars. Guess it's normal, thanks.
The new Avalance has more hp at the crank according to GM. GM vehicles have always been padded in their favor and they can have significant drive train loss. The Titan is under rated in power and has a very efficient drivetrain. I would be willing to bet $100 that a Titan would out dyno an Avalance. FYI, 15 is good for a TRUE full size truck. 2.5mpg loss is not even worth doing the math for. I would estimate that you would only save about $5-$10 on that run if you got 2.5mpg more. Not worth having to drive a Chevy over a Titan:)
 
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Actually the new Avalanche has more hp than a Titan. I knew these had poor MPG guess I'm just surprised at how low it is. I know EPA #s are bs but I generally get around that at a gentle freeway cruise in my other cars. Guess it's normal, thanks.
The Avalanche has more horsepower but much less torque. Horsepower is the number of horses, torque is the size of your horse. Some horses are Clydesdales and some are Shetland Ponies.
 
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I have an '05 B/T with around 50K on it and I get right at 15 mpg around town and interstate...about 50/50 town and highway.
 
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