AvalancheC10 PickupsC-20Colorado - Canyon
GM1500 TrucksGM2500 TrucksGM3500 Trucks'71-'87 K10 4WD
S-10Suburban - Yukon XL
2007-UP 1500 2WD and 4WD
'07-Up GM 1500 2WD & 4WD Wheel Size Suggested Tire *Notes 17x8 Wheels 265/70R17, 285/70R17 17x9 Wheels 285/70R17, 295/70R17 Leveling or Lift Kit Required 18x8.5 Wheels 275/60R18, 285/60R15 18x9 Wheels 285/60R18, 285/65R18 5.75" Backspace (Less than 5.75" BS Leveling or Lift Kit Required) 20x8.5 Wheels 275/55R20, 285/50R20 20x9 Wheels 275/55R20, 285/50R20 5.75" Backspace (Less than 5.75" BS Leveling or Lift Kit Required) 20x10 Wheels 305/50R20, 305/55R20, 325/60R20, 355/60R20, 33/12.50R20, 35/12.50R20 Lift kit required 20x12 Wheels Lift kit required 22x9-22x9.5 Wheels 285/45R22 24x9- 24x10 Wheels 295/35R24
1999-2006 1500 2WD and 4WDIn 1999 GM redesigned their 1/2 trucks. Now both 2WD and 4WD trucks use the same 6/5.5 bolt pattern. All '99 to '04 trucks must use 16" or larger wheels. GM introduced rack and pinion steering on the 2WD trucks which require a hub centric wheel. Hub centric means that the center of the wheel must be the same size as the hub on the truck. In other words the wheel on the 2WD models centers on the hub instead of the lugs as past trucks had. This means that only 6 lug wheels made specifically for the GM hub will work properly on the 1999-Up 2WD 1500. Although large bore 6 lug wheels will fit on the truck, a bad vibration is experienced at higher speeds. Most wheel manufacturers have built wheels with the proper 78.3 mm hub bore. 4WD models can use both large bore (108 mm) or hub centric (78.3 mm) wheels. Tahoe and Suburban have the same characteristics as the 1500 beginning with 2000 year models. Beginning in 2005 17" wheels are required to compensate for bigger brakes. Below is a chart with recommendations for tire fitments based on wheel size.
Wheel Size Tire Size Modification 16x8 Wheels 245/45R16, 265/70R16, 265/75R16, 285/75R16, 295/75R16, 305/70R16 No modification necessary for sizes up to 265/75R16. No modification necessary for 285/75R16 unless the wheel has less than 4.5" BS. Sizes larger than 285/75R16 require a lift kit. ***16" wheels do not fit on 2005 and newer models.*** 16x10 Wheels 305/70R16, 315/75R16, 325/70R16, 365/65R16 All sizes on 16x10 wheels require lift kit. ***16" wheels do not fit on 2005 and newer models.*** 17x8 Wheels 265/70R17, 285/60R17, 285/70R17, 295/70R17,
No modification is necessary for 265/70R17, 285/60R17, and 285/70R17. A leveling kit is required for 295/70R17 and 33/12.50R17 as long as the backspace is 4.5" or greater. 17x9 Wheels 265/70R17, 285/60R17, 285/70R17, 295/70R17,
295/70R17, 33/12.50R17, 35/12.50R17
No modification necessary for 265/70R17, 285/60R17, and 285/70R17 if backspace is 5.0" or larger. 33" tires require a leveling kit if backspace is less than 5.5". Lift kit is required for 35" tires. 18x8.5 Wheels 265/60R18, 285/60R18 No modifications required. 18x9 Wheels 265//65R18, 285/60R18, 275/65R18, 275/70R18,
305/65R18, 325/60R18, 35/12.50R18
5.75" BS. fits 265/75R18, 285/60R18, and 275/65R18. Trimming of air dam will work for 5.0" backspace on 285/60R18 and 275/65R18, and leveling kit required to avoid trimming. LIft kit required for sizes larger than 285/60R18 and 275/65R18. 20x8.5 Wheels 275/55R20, 285/50R18, 305/50R20 No modification required. 20x9 Wheels 285/50R20, 285/55R20, 275/60R20, 305/50R20, 305/55R20, 33/12.50R20, 285/65R20, 35/12.50R20 5.75" BS. fits 285/50R20, 285/55R20, and 275/55R20. Trimming of air dam will work for 5.0" backspace on 285/50R20 and 285/55R20, and leveling kit required to avoid trimming. Leveling kit required for 33" tires. Lift kit required for sizes larger than 33". 20x10 Wheels 305/50R20, 305/55R20, 325/60R20, 355/60R20, 33/12.50R20, 35/12.50R20 Lift Kit Required. 20x12 Wheels 6" - 8" Lift Kit Required. 22x9-22x9.5 Wheels 285/45R22
1989-1998 1500 4x4These trucks have the same fitment characteristics and bolt pattern as the '99-2006 trucks.
1989-1998 1500 2WDThese trucks have the 5x5.0 bolt pattern and can fit up to 10" wide wheels even on the front unless the truck is lowered. Lug size is 14mmx1.50.
1971-1987 C10 2WDThese trucks have the 5x5.0 bolt pattern and can fit up to 10" wide wheels even on the front unless the truck is lowered. Lug size is 1/2"-20.
1971-1998 GM 1/2 Ton 2WD Including Blazer 2WD, Tahoe 2WD, Suburban 2WD, Yukon 2WD Wheel Size Tire Size *Notes 15x7 Wheels 235/75R15, 255/70R15 No modifications necessary. Do not use 15" on lowered trucks. 15x8 Wheels 235/75R15, 255/70R15, 275/60R15, 295/50R15 No modifications necessary. Do not use 15" on lowered trucks. 15x10 Wheels 275/60R15, 295/50R15 No modifications necessary. Do not use 15" on lowered trucks. 17x8 Wheels 255/50R17, 275/50R17 Backspace should be between 4.0" and 5.0". 17x9.5 Wheels 275/50R17 Backspace should be 5.5" for rear only. Not for use on front. 18x8 Wheels 235/50R18, 255/45R18 Backspace 4.5" 18x9 Wheels 255/45R18, 295/45R18 Backspace 4.5" -5.25" 18x10 Wheels 295/45R18 Backspace should be 5.5" to 5.75" for rear only. Not for use on front. 20x8- 20x8.5 Wheels 245/40R20, 245/45R20, 255/45R20 Backspace should be 4.5"-4.75". 20x9.5 - 20x10 Wheels 275/40R20, 295/40R20, 295/45R20 Backspace should be 5.25" to 5.5" for rear only. Not for use on front. 22x9 *'88-'98 Trucks Only 265/35R22 Backspace approximately 5.5" 22x11 *'88-'98 Trucks Only 295/30R22 Backspace approximately 6.75"
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