Spec Sizes

2021 Chevrolet TrailBlazer Tire Size

Confirmed OEM tire sizes for this model year. Multiple sizes may apply depending on trim and wheel package — all catalog options are listed.

  • Option215/65R16
  • Option225/55R18
  • Option225/60R17
215/65R16Section width 215 mmSidewall ~140 mm(65% of width)Rim 16"215/65R16215 = width65 = aspectR16 = rim
OEM code 215/65R16: section 215 mm · aspect 65% · rim 16"

All confirmed configurations

SizePositionWidthAspectRimLoadSpeed
215/65R16 (run-flat)Front / all2156516"102H
225/55R18 (run-flat)Front / all2255518"97H
225/60R17 (run-flat)Front / all2256017"103H