Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/80-20 | 255/100-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.32 (948) | 36.08 (916.4) | -1.24 (-31.6) -3.3% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 117.25 (2978.23) | 113.34 (2878.96) | -3.91 (-99.27) -3.3% |
| Sidewall Height inches (mm) | 8.66 (220) | 10.04 (255) | 1.38 (35) 15.9% |
| Revolutions per mile (km) | 540.37 (335.77) | 559 (347.35) | 18.63 (11.58) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.33 mph (31.11 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.89 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.67 km/h) |
| 35 mph (56.33 km/h) | 33.83 mph (54.45 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.23 km/h) |
| 45 mph (72.42 km/h) | 43.5 mph (70.01 km/h) |
| 50 mph (80.47 km/h) | 48.33 mph (77.79 km/h) |
| 55 mph (88.51 km/h) | 53.17 mph (85.56 km/h) |
| 60 mph (96.56 km/h) | 58 mph (93.34 km/h) |
| 65 mph (104.61 km/h) | 62.83 mph (101.12 km/h) |
| 70 mph (112.65 km/h) | 67.67 mph (108.9 km/h) |
| 75 mph (120.7 km/h) | 72.5 mph (116.68 km/h) |
| 80 mph (128.75 km/h) | 77.33 mph (124.46 km/h) |
| 85 mph (136.79 km/h) | 82.17 mph (132.23 km/h) |
| 90 mph (144.84 km/h) | 87 mph (140.01 km/h) |
| 95 mph (152.89 km/h) | 91.83 mph (147.79 km/h) |
| 100 mph (160.93 km/h) | 96.67 mph (155.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1858 | 1943 | 2004 | 2070 | 2149 | 2258 | 2367 | 2488 | 2585 | 2760 | 2954 | 3105 | 3202 | 3257 | 3457 | 3735 | 4340 |
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