Use the live comparison above to see the exact diameter, circumference, revs/mile, and speedometer error between 265/65R17 and 275/70R17. Change either size to explore a different pairing, or open the full Tire Size calculator to start from scratch.
Tire Size Comparison
265/65R17 vs 275/70R17
Diameter, circumference, revs/mile, and speedometer error for 265/65R17 vs 275/70R17, with a to-scale visual.
Metric (285/75R16) or inch (35x12.50R17)
Past +10% diameter, budget for a regear. Use the Gear Ratio calculator to check.
Tire Size Results
First Tire
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stock diameter
Second Tire
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new diameter
Speedo Error
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speedometer error
| Measurement | First | Second |
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265/65R17 vs 275/70R17: What Changes
For SUVs and crossovers that come on a 265/65R17, the 275/70R17 is a gentle, no-drama upsize: a little wider and a little taller for a more capable stance without touching suspension. It is a favorite for owners who want mild all-terrain capability while keeping ride quality, gearing, and speedometer accuracy near stock.
Frequently Asked Questions
Is 275/70R17 a big jump from 265/65R17?
No, it is mild. The 275/70R17 adds about an inch and a half of diameter and a little width, enough for a better look and footprint without needing a lift or regear.
Will 275/70R17 affect my ride quality?
If anything it improves it slightly. The taller 70-series sidewall absorbs impacts a touch better than the shorter 65-series, with negligible effect on handling.