What kind of MPGs are you getting?

[NorCal Nali]

GMC~Yukon~Denali~2001~85K~10.7 MPG's....Heavy Foot+Supercharger=10.7 haha

 

[TheYuk]

2004 yukon 5.3 with a maggie, 13-14 on average in the city, 10 if im towing or lead footing it, 17.5 on the highway

 

[Vincesrg03]

13-15 city. About 18-20 on hwy if i baby her. If we all wanted 40 mpg we would of bought a prius. yuck!!!

 

[soulsea]

09 HyHoe, 16k miles, 20ish city, 23ish hwy ...

But then I washed it and as a result of that mod I now get 341 mpg city and 849.27451 mpg highway.

 

[prosts1003]

02 tahoe 5.3 115k half 2wd s&b intake magnaflow mufler and mild tune i get around 15 city and like 17 hwy hopefully putting in my e fans will improve that a lil bit

 

[07Burb]

09 HyHoe, 16k miles, 20ish city, 23ish hwy ...

But then I washed it and as a result of that mod I now get 341 mpg city and 849.27451 mpg highway.

Washing it also makes it accelerate faster

 

[bottomline2000]

00 NBS LS Tahoe, 19xk; I'm getting 15.6 city per last fillup. I haven't done a road trip since the Tune and fans, but without both I got 18 hwy cruising 80. I seem to get better gas mileage if I cruise above 70, maybe its the 3.42 gearing.

 

[Big Buttons]

2001 GMC Yukon Xl, 145,*** miles, 5.3, CAI, exhaust, 24s, ~10 city unless driving with a heavy foot ~8 and ~14-16 on highway at 80mph

 

[Sweet_N_Low]

08 Avalanche/5.3/LT/29K/Don't care about mileage

 

[Milkman5306]

00 NBS LS Tahoe, 19xk; I'm getting 15.6 city per last fillup. I haven't done a road trip since the Tune and fans, but without both I got 18 hwy cruising 80. I seem to get better gas mileage if I cruise above 70, maybe its the 3.42 gearing.

How do I figure out what gearing I have?

05 Yukon

14-15 city
17-18 highway

 

[felixgun]

2008 Tahoe LTZ/5.3L/36k miles/Airaid CAI/Magnaflow Muffler/14 city/17 highway

 

[Gordy]

How do I figure out what gearing I have?

05 Yukon

14-15 city
17-18 highway

RPO code in glove box should be a G and a number

 

[prosts1003]

look at the codes on the sticker in your glove box and then go to this site and match it up

http://www.vibratesoftware.com/html_help/html/GM/gm_drive_axles.htm

 

[jimweis]

2004 Tahoe 5.3 AWD 20MPG highway, 14.5 back and forth to work 2.5 miles, on 10% ethanol, 3.73 gears.

 

[ChazMan]

2003 Escalade 6.0L - 16.4 MPG average for the total life of 79,500 miles according to the onboard computer.

 

[01HDtahoeNJN]

2001 Thaoe 5.3 around 12..:/

Sent from my SCH-I500 using Tapatalk

 

[Livebai8]

02 Tahoe LS /4x4/ 134k+/ w/285/70/17 stock suspension = 13/14 City, and 17 hwy. Towed a bay boat down to Galveston yesterday & got bout 10 miles at 65 mph. South wind did not help much either. I'm considering a CAI /tune/muffler swap...but maybe not after seeing some of the results posted here. Still may do it anyway...high and LOUD is my goal!!!

 

[Twinrotor]

'03 yukon 4x4 275/55/20's. S&B Filters intake, msd plug wires, magnaflow exhaust, throttle body spacer.
We just took a trip to Tx, we averaged 17.1 mpg over the entire trip.
Went about 100 miles round trip yesterday towing to get a 1950 chevy 3100, and got 14.8 over the entire trip.

 

[rbtloe]

03 burb 2wd, 122k, 5.3 get 14-16 city about 20 hwy

 

[l2yan]

01 Denali XL
6.0 - 140k
CAI the rest stock
14 city
18 highway

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