285/40 R22 vs 265/70 R17
285/40 R22 vs 265/70 R17
265/70 R17 stays within the configured tolerance for 285/40 R22: +2.0% diameter and +2.0% speedometer effect.
Fitment verdict
265/70 R17 stays within the configured tolerance for 285/40 R22: +2.0% diameter and +2.0% speedometer effect.
| Metric | This size: 285/40 R22 | Alternative: 265/70 R17 | Difference | Verdict |
|---|---|---|---|---|
| Overall diameter | 30.98 in | 31.61 in | +2.0% | Within tolerance |
| Section width | 11.22 in | 10.43 in | -0.79 in | Computed difference |
| Sidewall height | 4.49 in | 7.30 in | +2.81 in | Computed difference |
| Circumference | 97.32 in | 99.29 in | +2.0% | Within tolerance |
| Speedo | 0.0% | +2.0% | +2.0% | Within tolerance |
Compare sizes
Looks valid
Looks valid
Units
✓ Within toleranceDiameter +2.0% (+0.63 in) · US (~3%)
- Within tolerance · Diameter +2.0%.
- Speedo @ 60: 60 mph → 61.2 mph.
- Sidewall +2.81 in · Width -0.79 in.
Diameter+2.0%+0.63 in
Speedo @ 60+2.0%60 mph → 61.2 mph
Sidewall+2.81 inWidth -0.79 in
How this result is calculated
Computed from nominal tire-size geometry: diameter, circumference and speedometer error. It does not check wheel-arch, suspension or brake clearance.
Methodology- Diameter
- 30.98 in 31.61 in+0.63 in
- Sidewall
- 4.49 in 7.30 in+2.81 in
- Width
- 11.22 in 10.43 in-0.79 in
- Circumference
- 97.32 in 99.29 in+2.0%
- Revs / mile
- 651 638
- Speedo @ 60
- 60 mph 61.2 mph+2.0%
- Current —
285/40 R22 - New —
265/70 R17 - Grounded to the road: the axle rises +0.31 in.
Result report
285/40 R22 265/70 R17 · Within tolerance
Use this size when shopping: 265/70 R17
Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.
Safe alternative sizes
| Size | Diameter | Speedo @ 100 | Use this |
|---|---|---|---|
−1″ 195/65R21 | +0.0% | +0.0% | |
OE 285/40R22 | +0.0% | +0.0% | |
+1″ 135/75R23 | -0.0% | -0.0% | |
+2″ 295/30R24 | -0.0% | -0.0% |
285/40 R22 · 265/70 R17 · Methodology
What changed
- Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.