Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 175/45-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 19.2 (487.7) | -1.24 (-31.5) -6.1% |
| Width inches (mm) | 5.31 (135) | 6.89 (175) | 1.57 (40) 29.6% |
| Circum. inches (mm) | 64.22 (1631.11) | 60.32 (1532.15) | -3.9 (-98.96) -6.1% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.1 (78.75) | -0.62 (-15.75) -16.7% |
| Revolutions per mile (km) | 986.65 (613.08) | 1050.38 (652.67) | 63.73 (39.6) 6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.23 km/h) |
| 25 mph (40.23 km/h) | 23.48 mph (37.79 km/h) |
| 30 mph (48.28 km/h) | 28.18 mph (45.35 km/h) |
| 35 mph (56.33 km/h) | 32.88 mph (52.91 km/h) |
| 40 mph (64.37 km/h) | 37.57 mph (60.47 km/h) |
| 45 mph (72.42 km/h) | 42.27 mph (68.03 km/h) |
| 50 mph (80.47 km/h) | 46.97 mph (75.59 km/h) |
| 55 mph (88.51 km/h) | 51.66 mph (83.14 km/h) |
| 60 mph (96.56 km/h) | 56.36 mph (90.7 km/h) |
| 65 mph (104.61 km/h) | 61.06 mph (98.26 km/h) |
| 70 mph (112.65 km/h) | 65.75 mph (105.82 km/h) |
| 75 mph (120.7 km/h) | 70.45 mph (113.38 km/h) |
| 80 mph (128.75 km/h) | 75.15 mph (120.94 km/h) |
| 85 mph (136.79 km/h) | 79.84 mph (128.5 km/h) |
| 90 mph (144.84 km/h) | 84.54 mph (136.05 km/h) |
| 95 mph (152.89 km/h) | 89.24 mph (143.61 km/h) |
| 100 mph (160.93 km/h) | 93.93 mph (151.17 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
