Lifted Wiki

2003 GMC Sierra 1500 — 20×12 Wheels, 305/50R20 Tires

Cataloged vehicle build for the 2003 GMC Sierra 1500. wheels 20" × 12" × -40 mm. tires 305/50R20. 3 associated products. Product associations are specific to this build, not a fitment guarantee.

Open the 2003 GMC Sierra 1500 year page · More 2003 GMC Sierra 1500 builds

Vehicle

Recorded vehicle
2003 GMC Sierra 1500
Catalog ID
145182

Wheel Setup

Recorded wheel and tire setup: 20" × 12" × -40 mm.

Tire Setup

Recorded tire size: 305/50R20.

Lift Information

No recorded lift height is stored for this build. No height is invented.

Products in This Build

Products associated with this build. Associations are not a fitment guarantee.

Wheels

American Force Blade SS 20x12 -40 PolishedMPN 76R-2012-6x550-PP20" × 12" × -40 mm6x139.7Associated with this buildNo Amazon destination is stored for this SKU.

Tires

Michelin Defender LTX M S 305 50R20 (32.3x12R20)MPN MIC56918305/50R20Associated with this buildNo Amazon destination is stored for this SKU.

Suspension

ProRYDE 3" Leveling Kits for 02-06/99-00 Cadillac Escalade, 03-06 Cadillac Escalade ESV, 02-06 Cadillac Escalade EXT, 02-06 Chevrolet Avalanche 1500, 92-94 Chevrolet Blazer, 88-98 Chevrolet K1500, 92-99 Chevrolet K1500 Suburban, 99-06 Chevrolet SilveradoMPN 64-1000GAssociated with this buildNo Amazon destination is stored for this SKU.

Related Builds

Relevant Lift Kits

Marketplace year mapping only. Not a recommended height or a fit for every trim.

Open 2003 GMC Sierra 1500 lift kits

Useful Wheel & Tire Comparison

Calculated from stored widths, offsets, and tire sizes. Not a rubbing verdict.

  • Outer-edge change: 134.8 mm
  • Inner-edge change: 4.8 mm

A recorded or mentioned lift height does not establish brake, turning, articulation, or fender clearance.