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2021 GMC Terrain tire sizes

The 2021 GMC Terrain came from the factory with 3 tire sizes on 17" to 19" wheels. The most common size is 235/50 R19. Pick your trim below.

2021 Terrain Denali

Factory (OE) sizes

19"wheels
235/50 R19

2021 Terrain Elevation Edition

Factory (OE) sizes

19"wheels
235/50 R19

2021 Terrain SL

Factory (OE) sizes

17"wheels
225/65 R17

2021 Terrain SLE

Factory (OE) sizes

17"wheels
225/65 R17

Optional sizes

18"wheels
225/60 R18
19"wheels
235/50 R19

2021 Terrain SLE Elevation Edition

Factory (OE) sizes

19"wheels
235/50 R19

2021 Terrain SLT

Factory (OE) sizes

18"wheels
225/60 R18

Optional sizes

19"wheels
235/50 R19

2021 Terrain SLT Elevation Edition

Factory (OE) sizes

19"wheels
235/50 R19

How to read 235/50 R19

235
Tread width in millimetres
50
Sidewall height, % of width
R
Radial construction
19
Wheel diameter in inches

Overall diameter: about 28.3" · Sidewall: 118 mm

GMC Terrain tire sizes by year

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

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