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Originally Posted by BOTTLEDZ28
I have an 02 silverado 2500HD and the gas milage just sucks already. I get 300 miles to a full tank and that is 99% highway. I was considering trading it in for an 07 model but dont want to waste my time if its not worth it. I dont need the 2500HD series anymore so I will just get a 1500 ext cab or maybe crew cab with the 6 foot bed. So for those of you that are driving these newer models, how is the gas milage and do these come with that displacment on demand option?
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Greetings,
Well I don't have 1st hand experience on the 07s. But I can tell you that at 300 miles to the tank with a 26 gallon tank - you're looking at 12 and under on highway driving - and I think you can do better - at least I did with a friends 2500 - took it from 13 highway to 17+ highway driving.
Myself - I have a 6 liter engine in a rwd 1500 series (the VHO is an SS with rwd). So it isn't the same engine as yours (mine's an LQ9 and I think yours is an LQ4 (different compression and hp/torque). So mine getting 22 and 23 hwy isn't a fair example to your 4 x 4 situation.
I linked below to a thread I started a couple uears ago - that the moderator recently closed - its got 425 replies in it - from many giving ideas on improving gas mileage etc.. In that grouping I detailed what I did to my friends 2500 to improve his mileage (no modifications or big expenses) - simple stuff that makes a big difference when combined together.
The 07s I've heard are a bit improved in mileage from many prior models. Others will have alot more info than me on that issue - but remember - mileage ratings by EPA have been re-written too - so the new standards are tougher than prior. Even so - I've never had a vehicle I couldn't get better than EPa numbers.
Here's the thread I talked about
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http://www.automotiveforums.com/vbul...d.php?t=335161
And here is the new EPA numbers being used and retroactive for all prior models:
http://www.fueleconomy.gov/feg/sbs.htm