Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 125/65-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 19.4 (492.7) | -1.04 (-26.5) -5.1% |
| Width inches (mm) | 5.31 (135) | 4.92 (125) | -0.39 (-10) -7.4% |
| Circum. inches (mm) | 64.22 (1631.11) | 60.94 (1547.86) | -3.28 (-83.25) -5.1% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.2 (81.25) | -0.52 (-13.25) -14% |
| Revolutions per mile (km) | 986.65 (613.08) | 1039.72 (646.05) | 53.07 (32.97) 5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.98 mph (30.54 km/h) |
| 25 mph (40.23 km/h) | 23.72 mph (38.18 km/h) |
| 30 mph (48.28 km/h) | 28.47 mph (45.82 km/h) |
| 35 mph (56.33 km/h) | 33.21 mph (53.45 km/h) |
| 40 mph (64.37 km/h) | 37.96 mph (61.09 km/h) |
| 45 mph (72.42 km/h) | 42.7 mph (68.72 km/h) |
| 50 mph (80.47 km/h) | 47.45 mph (76.36 km/h) |
| 55 mph (88.51 km/h) | 52.19 mph (84 km/h) |
| 60 mph (96.56 km/h) | 56.94 mph (91.63 km/h) |
| 65 mph (104.61 km/h) | 61.68 mph (99.27 km/h) |
| 70 mph (112.65 km/h) | 66.43 mph (106.9 km/h) |
| 75 mph (120.7 km/h) | 71.17 mph (114.54 km/h) |
| 80 mph (128.75 km/h) | 75.92 mph (122.18 km/h) |
| 85 mph (136.79 km/h) | 80.66 mph (129.81 km/h) |
| 90 mph (144.84 km/h) | 85.41 mph (137.45 km/h) |
| 95 mph (152.89 km/h) | 90.15 mph (145.08 km/h) |
| 100 mph (160.93 km/h) | 94.9 mph (152.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
