Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-14 | 285/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.54 (699.6) | 31.95 (811.6) | 4.41 (112) 16% |
| Width inches (mm) | 8.46 (215) | 11.22 (285) | 2.76 (70) 32.6% |
| Circum. inches (mm) | 86.53 (2197.86) | 100.38 (2549.72) | 13.85 (351.86) 16% |
| Sidewall Height inches (mm) | 6.77 (172) | 8.98 (228) | 2.2 (56) 32.6% |
| Revolutions per mile (km) | 732.23 (454.99) | 631.19 (392.2) | -101.05 (-62.79) -13.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.2 mph (37.34 km/h) |
| 25 mph (40.23 km/h) | 29 mph (46.67 km/h) |
| 30 mph (48.28 km/h) | 34.8 mph (56.01 km/h) |
| 35 mph (56.33 km/h) | 40.6 mph (65.34 km/h) |
| 40 mph (64.37 km/h) | 46.4 mph (74.68 km/h) |
| 45 mph (72.42 km/h) | 52.2 mph (84.01 km/h) |
| 50 mph (80.47 km/h) | 58 mph (93.35 km/h) |
| 55 mph (88.51 km/h) | 63.81 mph (102.68 km/h) |
| 60 mph (96.56 km/h) | 69.61 mph (112.02 km/h) |
| 65 mph (104.61 km/h) | 75.41 mph (121.35 km/h) |
| 70 mph (112.65 km/h) | 81.21 mph (130.69 km/h) |
| 75 mph (120.7 km/h) | 87.01 mph (140.02 km/h) |
| 80 mph (128.75 km/h) | 92.81 mph (149.36 km/h) |
| 85 mph (136.79 km/h) | 98.61 mph (158.69 km/h) |
| 90 mph (144.84 km/h) | 104.41 mph (168.03 km/h) |
| 95 mph (152.89 km/h) | 110.21 mph (177.36 km/h) |
| 100 mph (160.93 km/h) | 116.01 mph (186.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1606 | 1866 | 2010 | 2098 | 2194 | 2262 | 2338 | 2426 | 2549 | 2673 | 2809 | 2919 | 3117 | 3336 | 3506 | 3616 | 3677 | 3903 | 4217 | 4901 |
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