Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-20 | 275/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.61 (879) | 35.16 (893) | 0.55 (14) 1.6% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 108.72 (2761.46) | 110.45 (2805.44) | 1.73 (43.98) 1.6% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 7.58 (192.5) | 0.28 (7) 3.8% |
| Revolutions per mile (km) | 582.79 (362.13) | 573.65 (356.45) | -9.14 (-5.68) -1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.32 mph (32.7 km/h) |
| 25 mph (40.23 km/h) | 25.4 mph (40.87 km/h) |
| 30 mph (48.28 km/h) | 30.48 mph (49.05 km/h) |
| 35 mph (56.33 km/h) | 35.56 mph (57.22 km/h) |
| 40 mph (64.37 km/h) | 40.64 mph (65.4 km/h) |
| 45 mph (72.42 km/h) | 45.72 mph (73.57 km/h) |
| 50 mph (80.47 km/h) | 50.8 mph (81.75 km/h) |
| 55 mph (88.51 km/h) | 55.88 mph (89.92 km/h) |
| 60 mph (96.56 km/h) | 60.96 mph (98.1 km/h) |
| 65 mph (104.61 km/h) | 66.04 mph (106.27 km/h) |
| 70 mph (112.65 km/h) | 71.11 mph (114.45 km/h) |
| 75 mph (120.7 km/h) | 76.19 mph (122.62 km/h) |
| 80 mph (128.75 km/h) | 81.27 mph (130.8 km/h) |
| 85 mph (136.79 km/h) | 86.35 mph (138.97 km/h) |
| 90 mph (144.84 km/h) | 91.43 mph (147.15 km/h) |
| 95 mph (152.89 km/h) | 96.51 mph (155.32 km/h) |
| 100 mph (160.93 km/h) | 101.59 mph (163.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1460 | 1696 | 1826 | 1907 | 1994 | 2056 | 2125 | 2205 | 2317 | 2429 | 2553 | 2653 | 2833 | 3031 | 3187 | 3286 | 3342 | 3547 | 3833 | 4454 |
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