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02-09-2014, 01:03 PM #1
New (for me) 2006 Suburban LTZ -- Wheels and AWD
I am now in day 5 of my 2006 Suburban LTZ, which I love!!!
This Suburban LTZ has AWD and no controls for any aspect of the 4WD operation. It does have the StabiliTrak button. Presently it has the original 20" chrome wheels, but am interested in putting on 17" wheels, along with good Michelin snow and mud tires.
With the AWD system, which works great as we were up in the high Sierras yesterday in plenty of snow and slippery roads, would the smaller wheels give me a little better mpg's or are the 20" wheels not that different.
02-09-2014, 02:46 PM #2
Smaller tires will give you more horsepower and poorer gas mileage.
Usually, GM will select tires for the 17, 18 or 20 inch wheels that end up being very nearly the same diameter. In other words, one turn of each of those tire/wheel combinations will move the vehicle the same distance.
I must say, I did not know the '06 LTZ was available with AWD only transfer case.Ray
'09 Avalanche LTZ - Black
'05 Envoy XL (sold)
02-09-2014, 03:02 PM #3
02-09-2014, 05:46 PM #4
02-09-2014, 05:56 PM #5
In other words, are the 20" rims and recommended tire size okay for my needs or would the 17" rims with the recommended tire size (for snow and mud) give me better results with the AWD.
02-09-2014, 06:03 PM #6
Smaller wheels will give you higher sidewalls (the distance from the wheel to the face of the tire). More sidewall will give you more tire flex for better traction; however, the biggest difference, IMO, between 17" and 20" is going to be the tire you select. There is probably a big selection of snow tires in the 17" size.
02-09-2014, 06:29 PM #7
Now it's trying to future out what wheels would be best for snow and general use.
02-09-2014, 08:35 PM #8
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
02-09-2014, 09:06 PM #9
Just yesterday we were up in the Sierra's at 6400 feet with a lot of snow and slush. We stopped at the bottom of the cabin driveway to finish loading. Finally I slowly began to go but the back wheels were beginning to spin, but in a about 2 seconds I felt the front wheels kick in and the car moved forward without any hesitation. For about an hour we proceeded through unplowed roads that were also slippery. The StabiliTrak was also working very well and corrected the car many times from sliding across the road. I was impressed by it all.
I am in Southern California but we go up to the Sierra's regularly. Do you have any recommendations to keep the Suburban AWD running smoothly?
02-10-2014, 06:46 AM #10
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