Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-20 | 265/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.05 (839.5) | 31.61 (802.8) | -1.44 (-36.7) -4.4% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 103.83 (2637.37) | 99.29 (2522.07) | -4.54 (-115.3) -4.4% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 7.3 (185.5) | 0.78 (19.75) 11.9% |
| Revolutions per mile (km) | 610.21 (379.17) | 638.1 (396.5) | 27.9 (17.33) 4.6% |
265/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.13 mph (30.78 km/h) |
| 25 mph (40.23 km/h) | 23.91 mph (38.47 km/h) |
| 30 mph (48.28 km/h) | 28.69 mph (46.17 km/h) |
| 35 mph (56.33 km/h) | 33.47 mph (53.86 km/h) |
| 40 mph (64.37 km/h) | 38.25 mph (61.56 km/h) |
| 45 mph (72.42 km/h) | 43.03 mph (69.25 km/h) |
| 50 mph (80.47 km/h) | 47.81 mph (76.95 km/h) |
| 55 mph (88.51 km/h) | 52.6 mph (84.64 km/h) |
| 60 mph (96.56 km/h) | 57.38 mph (92.34 km/h) |
| 65 mph (104.61 km/h) | 62.16 mph (100.03 km/h) |
| 70 mph (112.65 km/h) | 66.94 mph (107.73 km/h) |
| 75 mph (120.7 km/h) | 71.72 mph (115.42 km/h) |
| 80 mph (128.75 km/h) | 76.5 mph (123.12 km/h) |
| 85 mph (136.79 km/h) | 81.28 mph (130.81 km/h) |
| 90 mph (144.84 km/h) | 86.07 mph (138.51 km/h) |
| 95 mph (152.89 km/h) | 90.85 mph (146.2 km/h) |
| 100 mph (160.93 km/h) | 95.63 mph (153.9 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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