Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-20 | 265/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.07 (865.5) | 31.61 (802.8) | -2.47 (-62.7) -7.2% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 107.05 (2719.05) | 99.29 (2522.07) | -7.76 (-196.98) -7.2% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 7.3 (185.5) | 0.27 (6.75) 3.8% |
| Revolutions per mile (km) | 591.88 (367.78) | 638.1 (396.5) | 46.23 (28.72) 7.8% |
265/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.55 mph (29.86 km/h) |
| 25 mph (40.23 km/h) | 23.19 mph (37.32 km/h) |
| 30 mph (48.28 km/h) | 27.83 mph (44.78 km/h) |
| 35 mph (56.33 km/h) | 32.46 mph (52.25 km/h) |
| 40 mph (64.37 km/h) | 37.1 mph (59.71 km/h) |
| 45 mph (72.42 km/h) | 41.74 mph (67.17 km/h) |
| 50 mph (80.47 km/h) | 46.38 mph (74.64 km/h) |
| 55 mph (88.51 km/h) | 51.02 mph (82.1 km/h) |
| 60 mph (96.56 km/h) | 55.65 mph (89.57 km/h) |
| 65 mph (104.61 km/h) | 60.29 mph (97.03 km/h) |
| 70 mph (112.65 km/h) | 64.93 mph (104.49 km/h) |
| 75 mph (120.7 km/h) | 69.57 mph (111.96 km/h) |
| 80 mph (128.75 km/h) | 74.2 mph (119.42 km/h) |
| 85 mph (136.79 km/h) | 78.84 mph (126.88 km/h) |
| 90 mph (144.84 km/h) | 83.48 mph (134.35 km/h) |
| 95 mph (152.89 km/h) | 88.12 mph (141.81 km/h) |
| 100 mph (160.93 km/h) | 92.76 mph (149.28 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1624 | 1886 | 2032 | 2121 | 2218 | 2287 | 2363 | 2453 | 2577 | 2702 | 2840 | 2951 | 3151 | 3372 | 3545 | 3655 | 3718 | 3946 | 4263 | 4954 |
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