2004 4X2, 4 dr. 4.3L Vortec, stock gears, automatic tranny, needs a tune up. I get about 19 mpg in the summer (AC on) and just a touch over 20 in the winter (AC off). Had a bug deflector on and it dropped a little, maybe a quarter mpg. Usually driving about 60% highway, 40% city.

 

i get about 15mpg in my 2wd 2dr mainly because i'm about 70% city and 30%highway. Strictly highway i pull 20, strictly city i get about 13.

 

Went on a roadtrip yesterday, drove 440miles and my Blazer took 17mpg @ 55mph. (2wd was engage during this trip because it was only driving on highway) Oj, almost forgot, I used cruise control most of the time except from passing trough some citys.

4x4
235x75x15" tires
V-power from Shell in my gas tank
Open filter from GreenCotton

 

'02 2dr, 2wd, 5-speed, ~103K miles. Stock 3.42:1 gears currently with 235/75-15 tires instead of OEM sized 235/70-15's. Reprogrammed the truck only to correct for the taller tires other wise the engine is completely stock. I don't have cruise and I do 90% out of town/10% city. The last good tank I got 21.4mpg. I run the out of town roads 60-75mph depending on the road. I'm also lowered 2" with a Xtreme front air dam.

Later, Doug

 

I am getting around 20-21mpg which looked good compared to the majority, then I realised that the UK gallon is bigger than the US gallon. Converting to US gallons gives me 17.4mpg :-)

 

I had an entire mouse nest pulled from my air hose and vacuumed out, and a new filter put in, and not a bit better on the MPG ( 15-16)

 

lol right now I'm getting about 10mpg ... can't wait for that MAF to get here Thurs.
I had 3 DTC's awhile back they were air flow & rich bank left & right. I can't see O2 sensors going on each exhaust runner to the collector so it must be the MAF telling the comp. it's getting more air than it actually is. Thats why the O2 sensors are saying it's running rich on both banks.

 

I get about 8KM per litre... Most of the tank usually goes for about 550km...

Anyone care to do the conversion for me and Ill click it in.

 

I have a 2002 2 door, 2wd, 5speed. When I first bought it a month ago I was getting 13.3mpg. After running lucas gas treatment through it and bumping up the tire pressure to 40 (max of 44 on mine) I got 15.5. Then, I started driving it very conservatively. I rarely shift above 2 grand and mostly stay in 5th even when putting around town at 35mph. This gave me 17.5 on my last check. I also have a cold air intake and a throttle body spacer. Other than that, it's stock. I am hoping a tune up and filter cleaning will improve this by a point or so.

-Sean.

 

I average usually between 19-20. on the way to work around 22mpg, on the way home around 18 or so because of traffic, using the scan gauge II.

2001 GMC Jimmy SLS, 2 dr, auto, 4wd, 3.73 gearing, 235/75/15's

I work roughly 40km away, the first 5 are farm land, I have 2 stop signs and a light that is sometimes red, next 32 are highway(around 75mph) and another 3 to work(usually very light traffic, 5:30am)
on the way home usually fairly heavy traffic and steady braking, accelleration, not unusall to come to a complete stop on the freeway.

This tank I am averaging 16.5mpg, but went 4x4ing on sunday, so milage was killed, expectially in the mud