265/65R17 vs 265/70R17 Side-by-side tire size comparison with specs and compatibility
Compatibility
+3.41% 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 | 265/65R17 | 265/70R17 | Difference |
|---|---|---|---|
| Overall Diameter | 776.3 mm (30.6") | 802.8 mm (31.6") | +26.5 mm |
| Section Width | 265 mm (10.4") | 265 mm (10.4") | 0 mm |
| Sidewall Height | 172.3 mm | 185.5 mm | +13.2 mm |
| Circumference | 2438.8 mm | 2522.1 mm | +83.3 mm |
| Revolutions/Mile | 660 | 638 | -22 |
| Aspect Ratio | 65% | 70% | +5% |
| Rim Diameter | 17" | 17" | 0" |
Key Impact Summary
Ground Clearance
+13.3 mm
Speedometer Error
+3.41%
Width Change
0 mm
Sidewall Change
+13.2 mm
Speedometer Correction Table
When switching from 265/65R17 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 | 41.4 mph | +1.4 mph |
| 50 mph | 51.7 mph | +1.7 mph |
| 60 mph | 62 mph | +2 mph |
| 70 mph | 72.4 mph | +2.4 mph |
| 80 mph | 82.7 mph | +2.7 mph |
| 90 mph | 93.1 mph | +3.1 mph |
| 100 mph | 103.4 mph | +3.4 mph |
| 110 mph | 113.8 mph | +3.8 mph |
| 120 mph | 124.1 mph | +4.1 mph |
What This Swap Means
Taller sidewall: The 13.2mm increase in sidewall height provides a more comfortable ride by absorbing more road imperfections. Taller sidewalls also offer better protection against pothole damage to wheels. The trade-off is slightly less responsive steering feel.
Ground clearance: Increases by 13.3mm, providing slightly better approach angles for off-road driving and speed bump clearance.
Vehicles Using 265/65R17
2025 Chevrolet Colorado Z71/Trail Boss 2025 Chevrolet Colorado ZR2 2024 Chevrolet Colorado Z71/Trail Boss 2024 Chevrolet Colorado ZR2 2023 Chevrolet Colorado Z71/Trail Boss/ZR2 2022 Chevrolet Colorado Z71/ZR2 2021 Chevrolet Colorado Z71/ZR2 2020 Chevrolet Colorado Z71/ZR2 2025 Nissan Frontier SV 2025 Nissan Frontier PRO-4X
Vehicles Using 265/70R17
Related Comparisons
265/70R17 vs 275/70R17 Common truck width upgrade 265/70R17 vs 285/70R17 Popular truck tire upsizing 265/70R17 vs 265/65R17 Same width, shorter sidewall 245/75R16 vs 265/70R17 Classic truck rim and tire upgrade 235/75R15 vs 265/70R17 Classic to modern off-road upgrade 255/70R18 vs 265/70R17 Rim downsize comparison 265/65R17 vs 275/65R18 Truck rim upgrade wider tire 245/65R17 vs 265/65R17 SUV significant width upgrade
Individual Tire Specs
Frequently Asked Questions
This swap requires caution. The diameter difference is +3.41% (+26.5mm). This exceeds the recommended 3% threshold and may affect speedometer accuracy, ABS calibration, and could cause clearance issues.
Switching from 265/65R17 to 265/70R17 creates a +3.41% 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 265/65R17 to 265/70R17 changes ground clearance by +13.3mm. The vehicle will sit 13.3mm higher. Ground clearance change equals half the overall diameter difference.