Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 29.5/12-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 29.57 (751.1) | 0.06 (1.64) 0.2% |
| Width inches (mm) | 10.51 (267) | 12.01 (305) | 1.5 (38) 14.2% |
| Circum. inches (mm) | 92.7 (2354.5) | 92.9 (2359.65) | 0.2 (5.15) 0.2% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 8.29 (210.45) | 1.03 (26.22) 14.2% |
| Revolutions per mile (km) | 683.52 (424.72) | 682.03 (423.79) | -1.49 (-0.93) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.04 mph (32.26 km/h) |
| 25 mph (40.23 km/h) | 25.05 mph (40.32 km/h) |
| 30 mph (48.28 km/h) | 30.07 mph (48.39 km/h) |
| 35 mph (56.33 km/h) | 35.08 mph (56.45 km/h) |
| 40 mph (64.37 km/h) | 40.09 mph (64.51 km/h) |
| 45 mph (72.42 km/h) | 45.1 mph (72.58 km/h) |
| 50 mph (80.47 km/h) | 50.11 mph (80.64 km/h) |
| 55 mph (88.51 km/h) | 55.12 mph (88.71 km/h) |
| 60 mph (96.56 km/h) | 60.13 mph (96.77 km/h) |
| 65 mph (104.61 km/h) | 65.14 mph (104.84 km/h) |
| 70 mph (112.65 km/h) | 70.15 mph (112.9 km/h) |
| 75 mph (120.7 km/h) | 75.16 mph (120.97 km/h) |
| 80 mph (128.75 km/h) | 80.18 mph (129.03 km/h) |
| 85 mph (136.79 km/h) | 85.19 mph (137.09 km/h) |
| 90 mph (144.84 km/h) | 90.2 mph (145.16 km/h) |
| 95 mph (152.89 km/h) | 95.21 mph (153.22 km/h) |
| 100 mph (160.93 km/h) | 100.22 mph (161.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1736 | 2016 | 2171 | 2267 | 2371 | 2445 | 2526 | 2622 | 2755 | 2888 | 3036 | 3154 | 3368 | 3604 | 3789 | 3907 | 3973 | 4217 | 4557 | 5296 |
Better Fuel Economy Factory Ratios Increased Power
