265/70R16 vs 265/70R17 Side-by-side tire size comparison with specs and compatibility
Compatibility
+3.27% diameter difference
⚠ Swap with Caution
This tire swap is between 3-5% diameter difference. Check for fender clearance and be aware of speedometer error. May require recalibration.
Full Specifications Comparison
| Specification | 265/70R16 | 265/70R17 | Difference |
|---|---|---|---|
| Overall Diameter | 777.4 mm (30.6") | 802.8 mm (31.6") | +25.4 mm |
| Section Width | 265 mm (10.4") | 265 mm (10.4") | 0 mm |
| Sidewall Height | 185.5 mm | 185.5 mm | 0 mm |
| Circumference | 2442.3 mm | 2522.1 mm | +79.8 mm |
| Revolutions/Mile | 659 | 638 | -21 |
| Aspect Ratio | 70% | 70% | 0% |
| Rim Diameter | 16" | 17" | +1" |
Key Impact Summary
Ground Clearance
+12.7 mm
Speedometer Error
+3.27%
Width Change
0 mm
Sidewall Change
0 mm
Speedometer Correction Table
When switching from 265/70R16 to 265/70R17, your speedometer will under-read. Here is the correction at common speeds:
| Speedometer Shows | Actual Speed (mph) | Difference |
|---|---|---|
| 30 mph | 31 mph | +1 mph |
| 40 mph | 41.3 mph | +1.3 mph |
| 50 mph | 51.6 mph | +1.6 mph |
| 60 mph | 62 mph | +2 mph |
| 70 mph | 72.3 mph | +2.3 mph |
| 80 mph | 82.6 mph | +2.6 mph |
| 90 mph | 92.9 mph | +2.9 mph |
| 100 mph | 103.3 mph | +3.3 mph |
| 110 mph | 113.6 mph | +3.6 mph |
| 120 mph | 123.9 mph | +3.9 mph |
What This Swap Means
Ground clearance: Increases by 12.7mm, providing slightly better approach angles for off-road driving and speed bump clearance.
Vehicles Using 265/70R16
Vehicles Using 265/70R17
Related Comparisons
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Individual Tire Specs
Frequently Asked Questions
This swap requires caution. The diameter difference is +3.27% (+25.4mm). This exceeds the recommended 3% threshold and may affect speedometer accuracy, ABS calibration, and could cause clearance issues.
Switching from 265/70R16 to 265/70R17 creates a +3.27% speedometer error. Your actual speed will be faster than displayed — at an indicated 60 mph, you'll actually be going 62.0 mph.
Switching from 265/70R16 to 265/70R17 changes ground clearance by +12.7mm. The vehicle will sit 12.7mm higher. Ground clearance change equals half the overall diameter difference.