2008 GMC Canyon — SLT Z71 Package
The 2008 GMC Canyon SLT Z71 Package came from the factory equipped with 265/75R15 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
265/75R15
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 75% (198.8 mm) |
| Rim diameter | 15" |
| Overall tire diameter | ~30.6" |
| Revolutions per mile | ~658 |
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What this size means for your GMC Canyon
On the 2008 GMC Canyon SLT Z71 Package, the factory 265/75R15 measures about 30.6″ in overall diameter with a 198.8 mm (7.8″) sidewall, and completes roughly 658 revolutions per mile. Its 75-series aspect ratio gives a tall sidewall of the kind used on trucks, SUVs, and older passenger cars, built for cushioning and load. In tire terms it is a passenger (P-metric / Euro-metric) size.
On a vehicle of this age, the GMC Canyon may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 2008 GMC Canyon trims
- SL 2wd 225/75R15
- SL 4wd 235/75R15
- SL Z71 Package 265/75R15
- SLE 2wd 225/75R15
- SLE 4wd 235/75R15
- SLE Z71 Package 265/75R15
- SLT 2wd 225/75R15
- SLT 4wd 235/75R15
- WT 2wd 205/75R15
- WT 4wd 235/75R15
GMC Canyon tire sizes by year
- 2026 GMC Canyon 265/65R18 / 275/60R20
- 2025 GMC Canyon 265/65R18 / 275/60R20
- 2024 GMC Canyon 265/65R18 / 275/65R18 / 275/60R20
- 2023 GMC Canyon 265/65R18 / 275/65R18 / 275/60R20
- 2022 GMC Canyon 255/65R17 / 265/65R17
- 2021 GMC Canyon 255/65R17 / 265/65R17
- 2020 GMC Canyon 255/65R17 / 265/65R17
- 2019 GMC Canyon 255/65R17 / 265/65R17
- 2018 GMC Canyon 255/65R17 / 265/65R17
- 2017 GMC Canyon 265/70R16 / 255/65R17 / 265/60R18
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.