Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-20 | 275/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.52 (826) | 34.07 (865.5) | 1.56 (39.5) 4.8% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 102.16 (2594.96) | 107.05 (2719.05) | 4.89 (124.09) 4.8% |
| Sidewall Height inches (mm) | 6.26 (159) | 7.04 (178.75) | 0.78 (19.75) 12.4% |
| Revolutions per mile (km) | 620.18 (385.36) | 591.88 (367.78) | -28.3 (-17.59) -4.6% |
275/65-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.73 km/h) |
| 25 mph (40.23 km/h) | 26.2 mph (42.16 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.59 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.02 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.45 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.88 km/h) |
| 50 mph (80.47 km/h) | 52.39 mph (84.32 km/h) |
| 55 mph (88.51 km/h) | 57.63 mph (92.75 km/h) |
| 60 mph (96.56 km/h) | 62.87 mph (101.18 km/h) |
| 65 mph (104.61 km/h) | 68.11 mph (109.61 km/h) |
| 70 mph (112.65 km/h) | 73.35 mph (118.04 km/h) |
| 75 mph (120.7 km/h) | 78.59 mph (126.47 km/h) |
| 80 mph (128.75 km/h) | 83.83 mph (134.9 km/h) |
| 85 mph (136.79 km/h) | 89.06 mph (143.34 km/h) |
| 90 mph (144.84 km/h) | 94.3 mph (151.77 km/h) |
| 95 mph (152.89 km/h) | 99.54 mph (160.2 km/h) |
| 100 mph (160.93 km/h) | 104.78 mph (168.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1750 | 1884 | 1968 | 2057 | 2122 | 2192 | 2275 | 2391 | 2506 | 2634 | 2737 | 2923 | 3128 | 3288 | 3391 | 3448 | 3660 | 3955 | 4596 |
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