Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 155/50-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 19.1 (485.2) | -1.34 (-34) -6.5% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 64.22 (1631.11) | 60.01 (1524.3) | -4.21 (-106.81) -6.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.05 (77.5) | -0.67 (-17) -18% |
| Revolutions per mile (km) | 986.65 (613.08) | 1055.79 (656.04) | 69.14 (42.96) 7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.08 km/h) |
| 25 mph (40.23 km/h) | 23.36 mph (37.6 km/h) |
| 30 mph (48.28 km/h) | 28.04 mph (45.12 km/h) |
| 35 mph (56.33 km/h) | 32.71 mph (52.64 km/h) |
| 40 mph (64.37 km/h) | 37.38 mph (60.16 km/h) |
| 45 mph (72.42 km/h) | 42.05 mph (67.68 km/h) |
| 50 mph (80.47 km/h) | 46.73 mph (75.2 km/h) |
| 55 mph (88.51 km/h) | 51.4 mph (82.72 km/h) |
| 60 mph (96.56 km/h) | 56.07 mph (90.24 km/h) |
| 65 mph (104.61 km/h) | 60.74 mph (97.76 km/h) |
| 70 mph (112.65 km/h) | 65.42 mph (105.28 km/h) |
| 75 mph (120.7 km/h) | 70.09 mph (112.8 km/h) |
| 80 mph (128.75 km/h) | 74.76 mph (120.32 km/h) |
| 85 mph (136.79 km/h) | 79.43 mph (127.84 km/h) |
| 90 mph (144.84 km/h) | 84.11 mph (135.36 km/h) |
| 95 mph (152.89 km/h) | 88.78 mph (142.88 km/h) |
| 100 mph (160.93 km/h) | 93.45 mph (150.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
