That's about dead on with mine, two wheel drive '97, 208k mi., auto., 4 dr., no A/C (broken). Personal best, 22.25 mpg so far. One day I'll see what it'll do on a trip. I'm guessing it has the 3:08 rear end. Tachs around 1600 in overdrive at 60 mph.

 

2000 4wd auto 3.43gears, body lift, susp lift, t-bar crank, 31" tires
with the summer blend of unleaded 87 17.7 mpg
with winter blend unleaded 87 15-15.5 mpg
162300 miles

 

93 4dr 4wd with 132,000 miles. I get 15.3 average, with my last tank being 17.3 on premium octane. 50/50 city/highway and I only drive the blazer in the winter.

 

1998 4wd Automatic 4.3L Vortec only getting about 14-15 mpg, but I need to replace the catalytic converter soon so hopefully it will pick up after that.

 

Well let's see. It's a 2000 ZR2 blazer with 187500 on the clock. I got about 6500 miles on the plugs,wires,cap,and rotor. An getting 20 miles a gal for a average on a tank. Oh an no a/c its broken "leaking".

 

1996 4dr 4x4. 77k miles 235/75/15 M/T's, 2"in lift, magnaflow cat-back exhaust, thats really about it. I get about 12-13mpg. I need a tune-up and some new rubbers, and a new intake set-up then we'll see how the gas mileage is.

 

...stock 01 Jimmy 4x4...averages 18 and change but will do better than 20 on the highway with cruise on...

 

Ive got an 00 2 dr 4wd. I get 13-15 mpg. I do mostly hill driving and i like to get on it.

 

I am from Bulgaria (Europe), my '98 Blazer moves with liquid petrolium gas (LPG)(price LPG in BG 0.87usd/1liter), with 265/65/15 tires, fuel consumption is as follows: busy city 18 litres/100 km (13,07 US MPG ) and 13l/100km (18,09 US MPG) outside city.Gasoline fuel consumption is city 16-17 l/100km(14.7-13.8 mpg),outside city 11-12l/100km(21.38-19.6 mpg) Highway in Bulgaria are very bad and it does not write highway.

 

94 4dr 4wd, 4.3l cpi, auto tranny, 138,000 or so miles. I just got 23 mi/gallon hwy on a 600+ mile trip down to Arkansas form Michigan.
According to compnine.com I have 3.42 gears.