Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 28.5/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 28.57 (725.56) | -0.94 (-23.9) -3.2% |
| Width inches (mm) | 10.51 (267) | 11.5 (292) | 0.98 (25) 9.4% |
| Circum. inches (mm) | 92.7 (2354.5) | 89.74 (2279.41) | -2.96 (-75.08) -3.2% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 6.78 (172.28) | -0.47 (-11.95) -6.5% |
| Revolutions per mile (km) | 683.52 (424.72) | 706.03 (438.71) | 22.52 (13.99) 3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.36 mph (31.16 km/h) |
| 25 mph (40.23 km/h) | 24.2 mph (38.95 km/h) |
| 30 mph (48.28 km/h) | 29.04 mph (46.74 km/h) |
| 35 mph (56.33 km/h) | 33.88 mph (54.53 km/h) |
| 40 mph (64.37 km/h) | 38.72 mph (62.32 km/h) |
| 45 mph (72.42 km/h) | 43.56 mph (70.11 km/h) |
| 50 mph (80.47 km/h) | 48.41 mph (77.9 km/h) |
| 55 mph (88.51 km/h) | 53.25 mph (85.69 km/h) |
| 60 mph (96.56 km/h) | 58.09 mph (93.48 km/h) |
| 65 mph (104.61 km/h) | 62.93 mph (101.27 km/h) |
| 70 mph (112.65 km/h) | 67.77 mph (109.06 km/h) |
| 75 mph (120.7 km/h) | 72.61 mph (116.85 km/h) |
| 80 mph (128.75 km/h) | 77.45 mph (124.64 km/h) |
| 85 mph (136.79 km/h) | 82.29 mph (132.43 km/h) |
| 90 mph (144.84 km/h) | 87.13 mph (140.22 km/h) |
| 95 mph (152.89 km/h) | 91.97 mph (148.01 km/h) |
| 100 mph (160.93 km/h) | 96.81 mph (155.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1797 | 2087 | 2248 | 2347 | 2454 | 2531 | 2615 | 2714 | 2852 | 2989 | 3142 | 3265 | 3486 | 3731 | 3922 | 4045 | 4113 | 4366 | 4717 | 5482 |
Better Fuel Economy Factory Ratios Increased Power
