Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 105/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 19.61 (498.2) | -0.83 (-21) -4% |
| Width inches (mm) | 5.31 (135) | 4.13 (105) | -1.18 (-30) -22.2% |
| Circum. inches (mm) | 64.22 (1631.11) | 61.62 (1565.14) | -2.6 (-65.97) -4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.31 (84) | -0.41 (-10.5) -11.1% |
| Revolutions per mile (km) | 986.65 (613.08) | 1028.24 (638.92) | 41.59 (25.84) 4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.19 mph (30.89 km/h) |
| 25 mph (40.23 km/h) | 23.99 mph (38.61 km/h) |
| 30 mph (48.28 km/h) | 28.79 mph (46.33 km/h) |
| 35 mph (56.33 km/h) | 33.58 mph (54.05 km/h) |
| 40 mph (64.37 km/h) | 38.38 mph (61.77 km/h) |
| 45 mph (72.42 km/h) | 43.18 mph (69.49 km/h) |
| 50 mph (80.47 km/h) | 47.98 mph (77.21 km/h) |
| 55 mph (88.51 km/h) | 52.78 mph (84.93 km/h) |
| 60 mph (96.56 km/h) | 57.57 mph (92.66 km/h) |
| 65 mph (104.61 km/h) | 62.37 mph (100.38 km/h) |
| 70 mph (112.65 km/h) | 67.17 mph (108.1 km/h) |
| 75 mph (120.7 km/h) | 71.97 mph (115.82 km/h) |
| 80 mph (128.75 km/h) | 76.76 mph (123.54 km/h) |
| 85 mph (136.79 km/h) | 81.56 mph (131.26 km/h) |
| 90 mph (144.84 km/h) | 86.36 mph (138.98 km/h) |
| 95 mph (152.89 km/h) | 91.16 mph (146.7 km/h) |
| 100 mph (160.93 km/h) | 95.96 mph (154.43 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
