Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10.5-15 | 275/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.98 (786.84) | 31.24 (793.5) | 0.26 (6.66) 0.8% |
| Width inches (mm) | 10.51 (267) | 10.83 (275) | 0.31 (8) 3% |
| Circum. inches (mm) | 97.32 (2471.93) | 98.14 (2492.85) | 0.82 (20.92) 0.8% |
| Sidewall Height inches (mm) | 7.99 (202.92) | 8.12 (206.25) | 0.13 (3.33) 1.6% |
| Revolutions per mile (km) | 651.05 (404.54) | 645.58 (401.15) | -5.46 (-3.4) -0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.17 mph (32.46 km/h) |
| 25 mph (40.23 km/h) | 25.21 mph (40.57 km/h) |
| 30 mph (48.28 km/h) | 30.25 mph (48.69 km/h) |
| 35 mph (56.33 km/h) | 35.3 mph (56.8 km/h) |
| 40 mph (64.37 km/h) | 40.34 mph (64.92 km/h) |
| 45 mph (72.42 km/h) | 45.38 mph (73.03 km/h) |
| 50 mph (80.47 km/h) | 50.42 mph (81.15 km/h) |
| 55 mph (88.51 km/h) | 55.47 mph (89.26 km/h) |
| 60 mph (96.56 km/h) | 60.51 mph (97.38 km/h) |
| 65 mph (104.61 km/h) | 65.55 mph (105.49 km/h) |
| 70 mph (112.65 km/h) | 70.59 mph (113.61 km/h) |
| 75 mph (120.7 km/h) | 75.63 mph (121.72 km/h) |
| 80 mph (128.75 km/h) | 80.68 mph (129.84 km/h) |
| 85 mph (136.79 km/h) | 85.72 mph (137.95 km/h) |
| 90 mph (144.84 km/h) | 90.76 mph (146.07 km/h) |
| 95 mph (152.89 km/h) | 95.8 mph (154.18 km/h) |
| 100 mph (160.93 km/h) | 100.85 mph (162.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1643 | 1909 | 2055 | 2146 | 2244 | 2314 | 2391 | 2482 | 2608 | 2733 | 2873 | 2985 | 3188 | 3412 | 3586 | 3698 | 3761 | 3992 | 4313 | 5013 |
Better Fuel Economy Factory Ratios Increased Power
