Tire fitment
The 2026 Subaru Forester base tire size is 225/60R17 — 225 mm wide with a 60% aspect ratio on 17″ rims. 3 OEM sizes are available across trims.
2026 Subaru Forester
225/60R1727.6″ overall diameter · 135 mm sidewall · ~730 rev/mi
| Trim | Tire size | Rim | Diameter | vs Base |
|---|---|---|---|---|
| Base/Premium ★ | 225/60R17 | 7×17″ | 27.6″ (701.8 mm) | — |
| Limited | 225/55R18 | 7×18″ | 27.7″ (704.7 mm) | +0.41% |
| Sport/Touring | 235/50R19 | 7.5×19″ | 28.3″ (717.6 mm) | +2.25% |
The 2026 Subaru Forester ships with 225/60R17 tires on the base trim — that's an overall diameter of 27.6″. The 225 mm width and 60% sidewall ratio give you 135 mm of sidewall cushion between the rim and the road.
Match the load index and speed rating from your door-jamb placard — not just the size. If you're switching sizes, keep the overall diameter within ~3% to avoid speedometer error and potential ABS/traction-control issues.
Factory fitment for the 2026 Subaru Forester; verify against your door-jamb placard or owner's manual.
The base 2026 Subaru Forester uses 225/60R17 tires — 225 mm wide, 60% aspect ratio, on 17-inch rims. The overall diameter is 27.6″ (701.8 mm). Higher trims use different sizes — see the table above. Confirm against your door-jamb placard.
Yes, within limits. Keep the overall diameter within about 3% of 27.6″ to avoid speedometer error and clearance issues. A wider tire may improve grip, but match the load and speed ratings your Forester requires.
225/60R17 tires have an overall diameter of 27.6″ (701.8 mm), with a 135 mm sidewall height. That's about 730 revolutions per mile.
The 2026 Subaru Forester tire sizes shown are OEM factory fitments. Confirm your exact tire size, load rating, and speed rating against the door-jamb placard or owner's manual before buying tires.