Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/70-13 | 180/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.27 (540.2) | 22.92 (582.2) | 1.65 (42) 7.8% |
| Width inches (mm) | 5.91 (150) | 7.09 (180) | 1.18 (30) 20% |
| Circum. inches (mm) | 66.81 (1697.09) | 72.01 (1829.04) | 5.19 (131.95) 7.8% |
| Sidewall Height inches (mm) | 4.13 (105) | 4.96 (126) | 0.83 (21) 20% |
| Revolutions per mile (km) | 948.3 (589.24) | 879.89 (546.74) | -68.41 (-42.51) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.03 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.71 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.38 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.05 km/h) |
| 50 mph (80.47 km/h) | 53.89 mph (86.72 km/h) |
| 55 mph (88.51 km/h) | 59.28 mph (95.4 km/h) |
| 60 mph (96.56 km/h) | 64.66 mph (104.07 km/h) |
| 65 mph (104.61 km/h) | 70.05 mph (112.74 km/h) |
| 70 mph (112.65 km/h) | 75.44 mph (121.41 km/h) |
| 75 mph (120.7 km/h) | 80.83 mph (130.09 km/h) |
| 80 mph (128.75 km/h) | 86.22 mph (138.76 km/h) |
| 85 mph (136.79 km/h) | 91.61 mph (147.43 km/h) |
| 90 mph (144.84 km/h) | 97 mph (156.1 km/h) |
| 95 mph (152.89 km/h) | 102.39 mph (164.77 km/h) |
| 100 mph (160.93 km/h) | 107.77 mph (173.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2239 | 2601 | 2801 | 2925 | 3059 | 3154 | 3259 | 3383 | 3554 | 3726 | 3916 | 4069 | 4345 | 4650 | 4888 | 5040 | 5126 | 5441 | 5879 | 6832 |
Better Fuel Economy Factory Ratios Increased Power
