Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-15 | 150/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 23.27 (591) | -1.65 (-42) -6.6% |
| Width inches (mm) | 7.09 (180) | 5.91 (150) | -1.18 (-30) -16.7% |
| Circum. inches (mm) | 78.29 (1988.63) | 73.1 (1856.68) | -5.19 (-131.95) -6.6% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.13 (105) | -0.83 (-21) -16.7% |
| Revolutions per mile (km) | 809.27 (502.86) | 866.79 (538.59) | 57.51 (35.74) 7.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.67 mph (30.05 km/h) |
| 25 mph (40.23 km/h) | 23.34 mph (37.56 km/h) |
| 30 mph (48.28 km/h) | 28.01 mph (45.08 km/h) |
| 35 mph (56.33 km/h) | 32.68 mph (52.59 km/h) |
| 40 mph (64.37 km/h) | 37.35 mph (60.1 km/h) |
| 45 mph (72.42 km/h) | 42.01 mph (67.62 km/h) |
| 50 mph (80.47 km/h) | 46.68 mph (75.13 km/h) |
| 55 mph (88.51 km/h) | 51.35 mph (82.64 km/h) |
| 60 mph (96.56 km/h) | 56.02 mph (90.15 km/h) |
| 65 mph (104.61 km/h) | 60.69 mph (97.67 km/h) |
| 70 mph (112.65 km/h) | 65.36 mph (105.18 km/h) |
| 75 mph (120.7 km/h) | 70.02 mph (112.69 km/h) |
| 80 mph (128.75 km/h) | 74.69 mph (120.21 km/h) |
| 85 mph (136.79 km/h) | 79.36 mph (127.72 km/h) |
| 90 mph (144.84 km/h) | 84.03 mph (135.23 km/h) |
| 95 mph (152.89 km/h) | 88.7 mph (142.74 km/h) |
| 100 mph (160.93 km/h) | 93.36 mph (150.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2206 | 2562 | 2760 | 2882 | 3013 | 3107 | 3210 | 3332 | 3501 | 3670 | 3858 | 4008 | 4280 | 4581 | 4815 | 4965 | 5050 | 5360 | 5791 | 6730 |
Better Fuel Economy Factory Ratios Increased Power
