I was just wondering if yall are making good mileage on any 03 cummins i am lookin at one for 18,000 just wondering.

 

About 17mpg around town and 20+mpg on the highway.

MikeyB

 

X2

About the same. A bit better on the hi-wy with the 315's, 22-23. 24-25 if below 65 mph (rare).

Cya

 

18 on the hi-way and 12 in town

 

About 16 in town 19 at 75 and 20-21 at 55-60

 

I drive like a "grandpa" according to the kids but I get an honest 650-700 miles from a tank (30-35 gal) of fuel. You go figure.

 

Was a little better when I had the stock Michelins on set at 75psi (19 city -23 hwy).

 

19.5+ mixed/12 towing. Craig

 

18 in town,22+ on the highway

 

16-17 city and 18ish doin 70. I like the skinney pedal!

 

Averaging about 18.5 around town(a few miles in town and 7 of open road(45-70 mph).

 

I have about 1000k miles on my conversion, getting 16-17mpg city/hwy.

 

10.5-11 towing 24' with 3400lb car and equipment @70 mph and 17 city 21 highway can get more but have to run slower highway speeds.

 

18 around town 20-21 hiway (22-23.5 below 65mph hiway)

 

same here stock 3/4 ton with no mods and at 65 with the cruise own I can get anywhere from 22 to 24.7 miles per gallon according to the electronic meter in the truck. I have changed my tires but I went with Dayton tires that were the same height and width as stock.