Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/11.5-15 | 285/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.01 (813.16) | 31.83 (808.5) | -0.18 (-4.66) -0.6% |
| Width inches (mm) | 11.5 (292) | 11.22 (285) | -0.28 (-7) -2.4% |
| Circum. inches (mm) | 100.58 (2554.62) | 100 (2539.98) | -0.58 (-14.64) -0.6% |
| Sidewall Height inches (mm) | 8.51 (216.08) | 8.42 (213.75) | -0.09 (-2.33) -1.1% |
| Revolutions per mile (km) | 629.97 (391.45) | 633.61 (393.7) | 3.63 (2.26) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.89 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.86 mph (40 km/h) |
| 30 mph (48.28 km/h) | 29.83 mph (48 km/h) |
| 35 mph (56.33 km/h) | 34.8 mph (56 km/h) |
| 40 mph (64.37 km/h) | 39.77 mph (64 km/h) |
| 45 mph (72.42 km/h) | 44.74 mph (72.01 km/h) |
| 50 mph (80.47 km/h) | 49.71 mph (80.01 km/h) |
| 55 mph (88.51 km/h) | 54.68 mph (88.01 km/h) |
| 60 mph (96.56 km/h) | 59.66 mph (96.01 km/h) |
| 65 mph (104.61 km/h) | 64.63 mph (104.01 km/h) |
| 70 mph (112.65 km/h) | 69.6 mph (112.01 km/h) |
| 75 mph (120.7 km/h) | 74.57 mph (120.01 km/h) |
| 80 mph (128.75 km/h) | 79.54 mph (128.01 km/h) |
| 85 mph (136.79 km/h) | 84.51 mph (136.01 km/h) |
| 90 mph (144.84 km/h) | 89.48 mph (144.01 km/h) |
| 95 mph (152.89 km/h) | 94.46 mph (152.01 km/h) |
| 100 mph (160.93 km/h) | 99.43 mph (160.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1612 | 1873 | 2017 | 2106 | 2202 | 2271 | 2347 | 2436 | 2559 | 2683 | 2820 | 2930 | 3129 | 3348 | 3520 | 3630 | 3691 | 3918 | 4233 | 4920 |
Better Fuel Economy Factory Ratios Increased Power
