Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/60-15 | 180/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.56 (573) | 24.92 (633) | 2.36 (60) 10.5% |
| Width inches (mm) | 6.3 (160) | 7.09 (180) | 0.79 (20) 12.5% |
| Circum. inches (mm) | 70.87 (1800.13) | 78.29 (1988.63) | 7.42 (188.5) 10.5% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.96 (126) | 1.18 (30) 31.3% |
| Revolutions per mile (km) | 894.01 (555.51) | 809.27 (502.86) | -84.74 (-52.66) -9.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.09 mph (35.56 km/h) |
| 25 mph (40.23 km/h) | 27.62 mph (44.45 km/h) |
| 30 mph (48.28 km/h) | 33.14 mph (53.34 km/h) |
| 35 mph (56.33 km/h) | 38.66 mph (62.23 km/h) |
| 40 mph (64.37 km/h) | 44.19 mph (71.11 km/h) |
| 45 mph (72.42 km/h) | 49.71 mph (80 km/h) |
| 50 mph (80.47 km/h) | 55.24 mph (88.89 km/h) |
| 55 mph (88.51 km/h) | 60.76 mph (97.78 km/h) |
| 60 mph (96.56 km/h) | 66.28 mph (106.67 km/h) |
| 65 mph (104.61 km/h) | 71.81 mph (115.56 km/h) |
| 70 mph (112.65 km/h) | 77.33 mph (124.45 km/h) |
| 75 mph (120.7 km/h) | 82.85 mph (133.34 km/h) |
| 80 mph (128.75 km/h) | 88.38 mph (142.23 km/h) |
| 85 mph (136.79 km/h) | 93.9 mph (151.12 km/h) |
| 90 mph (144.84 km/h) | 99.42 mph (160.01 km/h) |
| 95 mph (152.89 km/h) | 104.95 mph (168.9 km/h) |
| 100 mph (160.93 km/h) | 110.47 mph (177.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2059 | 2392 | 2576 | 2690 | 2813 | 2901 | 2997 | 3111 | 3269 | 3427 | 3602 | 3742 | 3996 | 4277 | 4496 | 4636 | 4715 | 5004 | 5407 | 6284 |
Better Fuel Economy Factory Ratios Increased Power
