Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/70-15 | 120/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.82 (605) | 22.56 (573) | -1.26 (-32) -5.3% |
| Width inches (mm) | 6.3 (160) | 4.72 (120) | -1.57 (-40) -25% |
| Circum. inches (mm) | 74.83 (1900.66) | 70.87 (1800.13) | -3.96 (-100.53) -5.3% |
| Sidewall Height inches (mm) | 4.41 (112) | 3.78 (96) | -0.63 (-16) -14.3% |
| Revolutions per mile (km) | 846.73 (526.13) | 894.01 (555.51) | 47.29 (29.38) 5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.94 mph (30.48 km/h) |
| 25 mph (40.23 km/h) | 23.68 mph (38.11 km/h) |
| 30 mph (48.28 km/h) | 28.41 mph (45.73 km/h) |
| 35 mph (56.33 km/h) | 33.15 mph (53.35 km/h) |
| 40 mph (64.37 km/h) | 37.88 mph (60.97 km/h) |
| 45 mph (72.42 km/h) | 42.62 mph (68.59 km/h) |
| 50 mph (80.47 km/h) | 47.36 mph (76.21 km/h) |
| 55 mph (88.51 km/h) | 52.09 mph (83.83 km/h) |
| 60 mph (96.56 km/h) | 56.83 mph (91.45 km/h) |
| 65 mph (104.61 km/h) | 61.56 mph (99.07 km/h) |
| 70 mph (112.65 km/h) | 66.3 mph (106.7 km/h) |
| 75 mph (120.7 km/h) | 71.03 mph (114.32 km/h) |
| 80 mph (128.75 km/h) | 75.77 mph (121.94 km/h) |
| 85 mph (136.79 km/h) | 80.5 mph (129.56 km/h) |
| 90 mph (144.84 km/h) | 85.24 mph (137.18 km/h) |
| 95 mph (152.89 km/h) | 89.98 mph (144.8 km/h) |
| 100 mph (160.93 km/h) | 94.71 mph (152.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2275 | 2643 | 2846 | 2972 | 3108 | 3204 | 3311 | 3437 | 3611 | 3785 | 3979 | 4134 | 4415 | 4724 | 4966 | 5121 | 5209 | 5528 | 5973 | 6941 |
Better Fuel Economy Factory Ratios Increased Power
