Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 31/9.5-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 30.92 (785.42) | -0.05 (-1.18) -0.2% |
| Width inches (mm) | 9.65 (245) | 9.49 (241) | -0.16 (-4) -1.6% |
| Circum. inches (mm) | 97.29 (2471.18) | 97.14 (2467.47) | -0.15 (-3.71) -0.2% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.21 (183.16) | -0.02 (-0.59) -0.3% |
| Revolutions per mile (km) | 651.25 (404.66) | 652.22 (405.27) | 0.98 (0.61) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.97 mph (32.14 km/h) |
| 25 mph (40.23 km/h) | 24.96 mph (40.17 km/h) |
| 30 mph (48.28 km/h) | 29.95 mph (48.21 km/h) |
| 35 mph (56.33 km/h) | 34.95 mph (56.24 km/h) |
| 40 mph (64.37 km/h) | 39.94 mph (64.28 km/h) |
| 45 mph (72.42 km/h) | 44.93 mph (72.31 km/h) |
| 50 mph (80.47 km/h) | 49.92 mph (80.35 km/h) |
| 55 mph (88.51 km/h) | 54.92 mph (88.38 km/h) |
| 60 mph (96.56 km/h) | 59.91 mph (96.42 km/h) |
| 65 mph (104.61 km/h) | 64.9 mph (104.45 km/h) |
| 70 mph (112.65 km/h) | 69.89 mph (112.49 km/h) |
| 75 mph (120.7 km/h) | 74.89 mph (120.52 km/h) |
| 80 mph (128.75 km/h) | 79.88 mph (128.55 km/h) |
| 85 mph (136.79 km/h) | 84.87 mph (136.59 km/h) |
| 90 mph (144.84 km/h) | 89.86 mph (144.62 km/h) |
| 95 mph (152.89 km/h) | 94.86 mph (152.66 km/h) |
| 100 mph (160.93 km/h) | 99.85 mph (160.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1660 | 1928 | 2076 | 2168 | 2267 | 2338 | 2416 | 2507 | 2634 | 2762 | 2903 | 3016 | 3221 | 3447 | 3623 | 3736 | 3800 | 4033 | 4358 | 5064 |
Better Fuel Economy Factory Ratios Increased Power
