Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 30/14.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 30.07 (763.72) | 0.56 (14.26) 1.9% |
| Width inches (mm) | 10.51 (267) | 14.49 (368) | 3.98 (101) 37.8% |
| Circum. inches (mm) | 92.7 (2354.5) | 94.46 (2399.3) | 1.76 (44.8) 1.9% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 7.53 (191.36) | 0.28 (7.13) 3.9% |
| Revolutions per mile (km) | 683.52 (424.72) | 670.76 (416.79) | -12.76 (-7.93) -1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.8 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41 km/h) |
| 30 mph (48.28 km/h) | 30.57 mph (49.2 km/h) |
| 35 mph (56.33 km/h) | 35.67 mph (57.4 km/h) |
| 40 mph (64.37 km/h) | 40.76 mph (65.6 km/h) |
| 45 mph (72.42 km/h) | 45.86 mph (73.8 km/h) |
| 50 mph (80.47 km/h) | 50.95 mph (82 km/h) |
| 55 mph (88.51 km/h) | 56.05 mph (90.2 km/h) |
| 60 mph (96.56 km/h) | 61.14 mph (98.4 km/h) |
| 65 mph (104.61 km/h) | 66.24 mph (106.6 km/h) |
| 70 mph (112.65 km/h) | 71.33 mph (114.8 km/h) |
| 75 mph (120.7 km/h) | 76.43 mph (123 km/h) |
| 80 mph (128.75 km/h) | 81.52 mph (131.2 km/h) |
| 85 mph (136.79 km/h) | 86.62 mph (139.4 km/h) |
| 90 mph (144.84 km/h) | 91.71 mph (147.6 km/h) |
| 95 mph (152.89 km/h) | 96.81 mph (155.8 km/h) |
| 100 mph (160.93 km/h) | 101.9 mph (164 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1707 | 1983 | 2135 | 2230 | 2332 | 2404 | 2484 | 2579 | 2709 | 2840 | 2985 | 3102 | 3312 | 3545 | 3726 | 3842 | 3908 | 4148 | 4482 | 5208 |
Better Fuel Economy Factory Ratios Increased Power
