Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 30/9.5-15 | 30/9.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.99 (761.78) | 30.04 (763.08) | 0.05 (1.3) 0.2% |
| Width inches (mm) | 9.49 (241) | 9.49 (241) | 0 (0) 0% |
| Circum. inches (mm) | 94.22 (2393.2) | 94.38 (2397.29) | 0.16 (4.08) 0.2% |
| Sidewall Height inches (mm) | 7.5 (190.39) | 7.02 (178.34) | -0.47 (-12.05) -6.3% |
| Revolutions per mile (km) | 672.46 (417.85) | 671.32 (417.14) | -1.15 (-0.71) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.03 mph (32.24 km/h) |
| 25 mph (40.23 km/h) | 25.04 mph (40.3 km/h) |
| 30 mph (48.28 km/h) | 30.05 mph (48.36 km/h) |
| 35 mph (56.33 km/h) | 35.06 mph (56.42 km/h) |
| 40 mph (64.37 km/h) | 40.07 mph (64.48 km/h) |
| 45 mph (72.42 km/h) | 45.08 mph (72.54 km/h) |
| 50 mph (80.47 km/h) | 50.09 mph (80.6 km/h) |
| 55 mph (88.51 km/h) | 55.09 mph (88.67 km/h) |
| 60 mph (96.56 km/h) | 60.1 mph (96.73 km/h) |
| 65 mph (104.61 km/h) | 65.11 mph (104.79 km/h) |
| 70 mph (112.65 km/h) | 70.12 mph (112.85 km/h) |
| 75 mph (120.7 km/h) | 75.13 mph (120.91 km/h) |
| 80 mph (128.75 km/h) | 80.14 mph (128.97 km/h) |
| 85 mph (136.79 km/h) | 85.15 mph (137.03 km/h) |
| 90 mph (144.84 km/h) | 90.15 mph (145.09 km/h) |
| 95 mph (152.89 km/h) | 95.16 mph (153.15 km/h) |
| 100 mph (160.93 km/h) | 100.17 mph (161.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1985 | 2137 | 2232 | 2334 | 2406 | 2486 | 2581 | 2712 | 2842 | 2988 | 3104 | 3315 | 3548 | 3729 | 3846 | 3911 | 4151 | 4485 | 5212 |
Better Fuel Economy Factory Ratios Increased Power
