Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12.5-15 | 305/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.03 (889.8) | 33.01 (838.5) | -2.02 (-51.3) -5.8% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 110.05 (2795.39) | 103.71 (2634.23) | -6.35 (-161.16) -5.8% |
| Sidewall Height inches (mm) | 10.02 (254.4) | 9.01 (228.75) | -1.01 (-25.65) -10.1% |
| Revolutions per mile (km) | 575.71 (357.73) | 610.94 (379.62) | 35.22 (21.89) 6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.85 mph (30.33 km/h) |
| 25 mph (40.23 km/h) | 23.56 mph (37.91 km/h) |
| 30 mph (48.28 km/h) | 28.27 mph (45.5 km/h) |
| 35 mph (56.33 km/h) | 32.98 mph (53.08 km/h) |
| 40 mph (64.37 km/h) | 37.69 mph (60.66 km/h) |
| 45 mph (72.42 km/h) | 42.41 mph (68.25 km/h) |
| 50 mph (80.47 km/h) | 47.12 mph (75.83 km/h) |
| 55 mph (88.51 km/h) | 51.83 mph (83.41 km/h) |
| 60 mph (96.56 km/h) | 56.54 mph (90.99 km/h) |
| 65 mph (104.61 km/h) | 61.25 mph (98.58 km/h) |
| 70 mph (112.65 km/h) | 65.96 mph (106.16 km/h) |
| 75 mph (120.7 km/h) | 70.68 mph (113.74 km/h) |
| 80 mph (128.75 km/h) | 75.39 mph (121.33 km/h) |
| 85 mph (136.79 km/h) | 80.1 mph (128.91 km/h) |
| 90 mph (144.84 km/h) | 84.81 mph (136.49 km/h) |
| 95 mph (152.89 km/h) | 89.52 mph (144.07 km/h) |
| 100 mph (160.93 km/h) | 94.23 mph (151.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1555 | 1806 | 1945 | 2031 | 2124 | 2190 | 2263 | 2349 | 2468 | 2587 | 2719 | 2825 | 3017 | 3229 | 3394 | 3500 | 3559 | 3778 | 4082 | 4744 |
Better Fuel Economy Factory Ratios Increased Power
