Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 35/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 35.03 (889.8) | -9.22 (-234.2) -20.8% |
| Width inches (mm) | 16.73 (425) | 12.52 (318) | -4.21 (-107) -25.2% |
| Circum. inches (mm) | 139.02 (3531.15) | 110.05 (2795.39) | -28.97 (-735.76) -20.8% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 10.02 (254.4) | -0.86 (-21.85) -7.9% |
| Revolutions per mile (km) | 455.76 (283.19) | 575.71 (357.73) | 119.96 (74.54) 26.3% |
35/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.83 mph (25.48 km/h) |
| 25 mph (40.23 km/h) | 19.79 mph (31.85 km/h) |
| 30 mph (48.28 km/h) | 23.75 mph (38.22 km/h) |
| 35 mph (56.33 km/h) | 27.71 mph (44.59 km/h) |
| 40 mph (64.37 km/h) | 31.67 mph (50.96 km/h) |
| 45 mph (72.42 km/h) | 35.62 mph (57.33 km/h) |
| 50 mph (80.47 km/h) | 39.58 mph (63.7 km/h) |
| 55 mph (88.51 km/h) | 43.54 mph (70.07 km/h) |
| 60 mph (96.56 km/h) | 47.5 mph (76.44 km/h) |
| 65 mph (104.61 km/h) | 51.46 mph (82.81 km/h) |
| 70 mph (112.65 km/h) | 55.41 mph (89.18 km/h) |
| 75 mph (120.7 km/h) | 59.37 mph (95.55 km/h) |
| 80 mph (128.75 km/h) | 63.33 mph (101.92 km/h) |
| 85 mph (136.79 km/h) | 67.29 mph (108.29 km/h) |
| 90 mph (144.84 km/h) | 71.25 mph (114.66 km/h) |
| 95 mph (152.89 km/h) | 75.21 mph (121.03 km/h) |
| 100 mph (160.93 km/h) | 79.16 mph (127.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2001 | 2064 | 2132 | 2213 | 2325 | 2438 | 2562 | 2662 | 2843 | 3042 | 3198 | 3298 | 3354 | 3560 | 3847 | 4470 |
Better Fuel Economy Factory Ratios Increased Power
