Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-15 | 160/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.61 (549) | 22.56 (573) | 0.94 (24) 4.4% |
| Width inches (mm) | 4.72 (120) | 6.3 (160) | 1.57 (40) 33.3% |
| Circum. inches (mm) | 67.9 (1724.73) | 70.87 (1800.13) | 2.97 (75.4) 4.4% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.78 (96) | 0.47 (12) 14.3% |
| Revolutions per mile (km) | 933.1 (579.8) | 894.01 (555.51) | -39.08 (-24.28) -4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.87 mph (33.59 km/h) |
| 25 mph (40.23 km/h) | 26.09 mph (41.99 km/h) |
| 30 mph (48.28 km/h) | 31.31 mph (50.39 km/h) |
| 35 mph (56.33 km/h) | 36.53 mph (58.79 km/h) |
| 40 mph (64.37 km/h) | 41.75 mph (67.19 km/h) |
| 45 mph (72.42 km/h) | 46.97 mph (75.59 km/h) |
| 50 mph (80.47 km/h) | 52.19 mph (83.99 km/h) |
| 55 mph (88.51 km/h) | 57.4 mph (92.38 km/h) |
| 60 mph (96.56 km/h) | 62.62 mph (100.78 km/h) |
| 65 mph (104.61 km/h) | 67.84 mph (109.18 km/h) |
| 70 mph (112.65 km/h) | 73.06 mph (117.58 km/h) |
| 75 mph (120.7 km/h) | 78.28 mph (125.98 km/h) |
| 80 mph (128.75 km/h) | 83.5 mph (134.38 km/h) |
| 85 mph (136.79 km/h) | 88.72 mph (142.77 km/h) |
| 90 mph (144.84 km/h) | 93.93 mph (151.17 km/h) |
| 95 mph (152.89 km/h) | 99.15 mph (159.57 km/h) |
| 100 mph (160.93 km/h) | 104.37 mph (167.97 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
