So I am looking for a new TV and I found a beautiful black Chevy 2500 crew cab with all kinds of extras including 11" lift, 38.5" tires, 20" rims.
My question is, how much does the big tires and rims deduct from the gas milage?
I know, I know... with a truck like this, gas mileage should be the last thing on my mind. But, I was just curious.
Sorry if this is a repeat quetion.
2007 Chevrolet 2500HD 6.0L
2008 26ft Thor Vortex
01 Suzuki RM250 (mine)
83 Yamaha PW50 (the boy's)
05 Roketa 70cc Quad (the princess')
Living my American Dream!
It would be a poor choice for a tow vehicle for many reasons (hitch height, axle gearing, stability, etc.). The fuel economy will be noticably less than an unmodified truck, just how much depends on axle gearing, engine size, tire tread/footprint, and driver's right foot weight.
A beautiful black Chevy 2500 crew cab with all kinds of extras including 11" lift, 38.5" tires, 20" rims look great in the driveway but are not what you want to drive with gas and diesel prices at record high or towing. Stock lift and LT235/85R16E Rib tires are what you want for the best mpg and towing.
Elmoclayman31 wrote: So I am looking for a new TV and I found a beautiful black Chevy 2500 crew cab with all kinds of extras including 11" lift, 38.5" tires, 20" rims.
My question is, how much does the big tires and rims deduct from the gas milage?
I know, I know... with a truck like this, gas mileage should be the last thing on my mind. But, I was just curious.
Sorry if this is a repeat quetion.
I'd pass on it. Those big trucks look cool, but they just aren't ideal for towing.
The big tires send your rear axle ratio in the wrong direction, hurting your available power. The weight, friction, and footprint all work against your fuel economy and power output.
The steering is probably also being overworked. I doubt the owner modded the odometer, so whatever mileage it shows will be off by a factor of the size of the tires above the stock size.
The center of gravity for the truck is very high. . . no weight distribution setup I've seen would work effectively. If you're towing a PUP, you can get a huge drop hitch and be OK, but I wouldn't put a real TT back there.
Plus, it's going to be overpriced. He's got to recover all of those add-ons. I bet for a similar price you can find a newer model or one with less miles that would be much more capable.
2005 Chevrolet Silverado 2500HD Crew Cab SB LS 6.0L 4x4 4.10 2005 Fleetwood Pioneer 180CK
DW, DD (born in May, 2007), and me
Has 4.10 gears, flomaster exhaust, and Air force one engine inner cooler. As for the right foot weight, it can be a bit heavy at times, but generally I'm pretty reasonable.
I always get a laugh during the winter. When and if it snows around here all the "lifted" 4X4's are somewhere except on the roads. Looks pretty but totally impractical to anyone who is serious about working his truck.
Going from 31" tire to 38.5" tire reduces the ratio to 3.31, that seems a bit tall even for a diesel. You may need to be in the 4.88 to 5.14 range to be back like normal. It is not just the tires but the higher profile that will clip your mileage.
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The mileage won't be good.
