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fuel mileage

Average fuel mileage for 4.3 L

fuel mileage

Postby dirtpoor09 [OP] » Nov 20 2010, 12:55pm

I have searched all over the net trying to find the averge fuel mileage on 4.3 in a Silverado.If anyone has some info please post them . Not the ones on the window sticker . Real life numbers. I don't have any yet I never fill up
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Re: fuel mileage

Postby aksierra11 » Nov 20 2010, 5:11pm

Looking at http://www.chevroletforum.com a guy posted that he was getting 18MPG with his 4.3L V6. That is in a 2000 blazer though. Your best bet would be to fuel it up as close to empty as you can and do the math yourself. Lots of factors that influence your fuel mileage though so not every truck will be the same (weight of people in truck, how heavy your right foot is, gearing that came from factory, tire wear..)
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Re: fuel mileage

Postby davidbarrett » Nov 20 2010, 6:15pm

Yes I agree, each one is different, I am getting about 12 MPG from my V8, 6.0L ext cab and thats just driving around town, I cant wait to see what it does on a long run.
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Re: fuel mileage

Postby thirdgen » Nov 22 2010, 6:00am

I get about 15-17 in my 2000 4.8 V8 standard cab.
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Re: fuel mileage

Postby enginebuilder4life » Dec 26 2010, 5:56pm

'06 RCSB 2wd 4.3, 21 mpg hwy.
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Re: fuel mileage

Postby 00silverado » Jan 21 2011, 7:40pm

I have a 2000 reg cab short bed with 4.3 and get around 20/21 highway and around 16 in town (if i keep my foot out of it haha). My truck is bone stock and haven't done anythign to it, and it just rolled over 100k.
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Re: fuel mileage

Postby NC_Cowboy » Feb 09 2011, 6:44am

I had an 04 Silverado 4.3 auto reg. cab work truck at the same time my cousin had an 03 S10 4.3 auto reg. cab. and I was getting 25 mixed driving while he was getting 23 mixed driving. Mine as plain jane and his was the ZQ8 so that might have made a differnce.
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Re: fuel mileage

Postby bsa_bob » Mar 12 2011, 12:32am

Mines a 2007 4.6 and her and i drove it the full length of michigan up and back. She figured out 23 miles per, mixed driving once we were up there.Mine has 33,000 miles on it,HTH
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Re: fuel mileage

Postby space cadet » May 12 2011, 11:40pm

4.3s get decent mileage if you have a light foot..

i had a zr2 s10 that got about 18-20
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Re: fuel mileage

Postby rngr746 » Jun 21 2011, 10:57pm

My 07 is a W/T model with the 5 speed trans. and bolt on mods. I managed 26.9 mpg on my last tank. During the winter it drops to 23+ to 24+ mpg.
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